SPC Day 2 Fire Weather Outlook

2 months 1 week ago
SPC Day 2 Fire Weather Outlook
Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0254 PM CDT Sun Jun 15 2025 Valid 161200Z - 171200Z ...CRITICAL FIRE WEATHER AREA FOR PARTS OF SOUTHERN NEVADA...SOUTHWESTERN UTAH...AND FAR NORTHWESTERN ARIZONA... ...Southern Nevada, Southwestern Utah and far Northwestern Arizona... Modest mid-level flow associated with a progressive upper-level trough will move into the Great Basin and Southwest Monday. A very dry, well-mixed boundary layer will support low teens to single digit relative humidity values across the region. A corridor of 20-30 mph winds are most likely from southern Nevada into south-central Utah where very low daytime humidity will support Critical fire weather conditions amid dry fuels. ...Columbia Basin... The upper-level short wave translating through the Pacific Northwest Monday will contribute to enhanced downslope winds particularly across the western portions of the Columbia Basin. West winds of around 15 mph combined with relative humidity in the 15-25 percent range will result in elevated fire weather concerns for central Washington state and Columbia River Gorge where ongoing fire activity remains. ..Williams.. 06/15/2025 .PREV DISCUSSION... /ISSUED 0156 AM CDT Sun Jun 15 2025/ ...Synopsis... During the day on Monday, a mid-level shortwave trough is expected to traverse California and into the Great Basin, and the surface mass response to this feature will tighten the sea-level pressure gradient across the area, resulting in strong surface winds. With seasonably strong vertical mixing, RH in the Great Basin and Four Corners region is expected to be around 5-15%. The best overlap of windy conditions and dry fuels is expected to be across parts of southeast Nevada, southwest Utah, and far northwest Arizona, where Critical highlights have been added. In this area, winds are expected to be near 20-30 mph with gusts as high as 35-40 mph underneath the core of the mid-level jet associated with the shortwave trough. Surrounding that Critical area, winds may be weaker and fuels less receptive to fire spread. However, this still warrants an Elevated area across parts of the Great Basin and Four Corners region. ...Please see www.spc.noaa.gov/fire for graphic product... Read more

SPC Day 2 Fire Weather Outlook

2 months 1 week ago
SPC Day 2 Fire Weather Outlook
Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0254 PM CDT Sun Jun 15 2025 Valid 161200Z - 171200Z ...CRITICAL FIRE WEATHER AREA FOR PARTS OF SOUTHERN NEVADA...SOUTHWESTERN UTAH...AND FAR NORTHWESTERN ARIZONA... ...Southern Nevada, Southwestern Utah and far Northwestern Arizona... Modest mid-level flow associated with a progressive upper-level trough will move into the Great Basin and Southwest Monday. A very dry, well-mixed boundary layer will support low teens to single digit relative humidity values across the region. A corridor of 20-30 mph winds are most likely from southern Nevada into south-central Utah where very low daytime humidity will support Critical fire weather conditions amid dry fuels. ...Columbia Basin... The upper-level short wave translating through the Pacific Northwest Monday will contribute to enhanced downslope winds particularly across the western portions of the Columbia Basin. West winds of around 15 mph combined with relative humidity in the 15-25 percent range will result in elevated fire weather concerns for central Washington state and Columbia River Gorge where ongoing fire activity remains. ..Williams.. 06/15/2025 .PREV DISCUSSION... /ISSUED 0156 AM CDT Sun Jun 15 2025/ ...Synopsis... During the day on Monday, a mid-level shortwave trough is expected to traverse California and into the Great Basin, and the surface mass response to this feature will tighten the sea-level pressure gradient across the area, resulting in strong surface winds. With seasonably strong vertical mixing, RH in the Great Basin and Four Corners region is expected to be around 5-15%. The best overlap of windy conditions and dry fuels is expected to be across parts of southeast Nevada, southwest Utah, and far northwest Arizona, where Critical highlights have been added. In this area, winds are expected to be near 20-30 mph with gusts as high as 35-40 mph underneath the core of the mid-level jet associated with the shortwave trough. Surrounding that Critical area, winds may be weaker and fuels less receptive to fire spread. However, this still warrants an Elevated area across parts of the Great Basin and Four Corners region. ...Please see www.spc.noaa.gov/fire for graphic product... Read more

SPC Day 2 Fire Weather Outlook

2 months 1 week ago
SPC Day 2 Fire Weather Outlook
Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0254 PM CDT Sun Jun 15 2025 Valid 161200Z - 171200Z ...CRITICAL FIRE WEATHER AREA FOR PARTS OF SOUTHERN NEVADA...SOUTHWESTERN UTAH...AND FAR NORTHWESTERN ARIZONA... ...Southern Nevada, Southwestern Utah and far Northwestern Arizona... Modest mid-level flow associated with a progressive upper-level trough will move into the Great Basin and Southwest Monday. A very dry, well-mixed boundary layer will support low teens to single digit relative humidity values across the region. A corridor of 20-30 mph winds are most likely from southern Nevada into south-central Utah where very low daytime humidity will support Critical fire weather conditions amid dry fuels. ...Columbia Basin... The upper-level short wave translating through the Pacific Northwest Monday will contribute to enhanced downslope winds particularly across the western portions of the Columbia Basin. West winds of around 15 mph combined with relative humidity in the 15-25 percent range will result in elevated fire weather concerns for central Washington state and Columbia River Gorge where ongoing fire activity remains. ..Williams.. 06/15/2025 .PREV DISCUSSION... /ISSUED 0156 AM CDT Sun Jun 15 2025/ ...Synopsis... During the day on Monday, a mid-level shortwave trough is expected to traverse California and into the Great Basin, and the surface mass response to this feature will tighten the sea-level pressure gradient across the area, resulting in strong surface winds. With seasonably strong vertical mixing, RH in the Great Basin and Four Corners region is expected to be around 5-15%. The best overlap of windy conditions and dry fuels is expected to be across parts of southeast Nevada, southwest Utah, and far northwest Arizona, where Critical highlights have been added. In this area, winds are expected to be near 20-30 mph with gusts as high as 35-40 mph underneath the core of the mid-level jet associated with the shortwave trough. Surrounding that Critical area, winds may be weaker and fuels less receptive to fire spread. However, this still warrants an Elevated area across parts of the Great Basin and Four Corners region. ...Please see www.spc.noaa.gov/fire for graphic product... Read more

SPC Day 2 Fire Weather Outlook

2 months 1 week ago
SPC Day 2 Fire Weather Outlook
Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0254 PM CDT Sun Jun 15 2025 Valid 161200Z - 171200Z ...CRITICAL FIRE WEATHER AREA FOR PARTS OF SOUTHERN NEVADA...SOUTHWESTERN UTAH...AND FAR NORTHWESTERN ARIZONA... ...Southern Nevada, Southwestern Utah and far Northwestern Arizona... Modest mid-level flow associated with a progressive upper-level trough will move into the Great Basin and Southwest Monday. A very dry, well-mixed boundary layer will support low teens to single digit relative humidity values across the region. A corridor of 20-30 mph winds are most likely from southern Nevada into south-central Utah where very low daytime humidity will support Critical fire weather conditions amid dry fuels. ...Columbia Basin... The upper-level short wave translating through the Pacific Northwest Monday will contribute to enhanced downslope winds particularly across the western portions of the Columbia Basin. West winds of around 15 mph combined with relative humidity in the 15-25 percent range will result in elevated fire weather concerns for central Washington state and Columbia River Gorge where ongoing fire activity remains. ..Williams.. 06/15/2025 .PREV DISCUSSION... /ISSUED 0156 AM CDT Sun Jun 15 2025/ ...Synopsis... During the day on Monday, a mid-level shortwave trough is expected to traverse California and into the Great Basin, and the surface mass response to this feature will tighten the sea-level pressure gradient across the area, resulting in strong surface winds. With seasonably strong vertical mixing, RH in the Great Basin and Four Corners region is expected to be around 5-15%. The best overlap of windy conditions and dry fuels is expected to be across parts of southeast Nevada, southwest Utah, and far northwest Arizona, where Critical highlights have been added. In this area, winds are expected to be near 20-30 mph with gusts as high as 35-40 mph underneath the core of the mid-level jet associated with the shortwave trough. Surrounding that Critical area, winds may be weaker and fuels less receptive to fire spread. However, this still warrants an Elevated area across parts of the Great Basin and Four Corners region. ...Please see www.spc.noaa.gov/fire for graphic product... Read more

SPC Day 2 Fire Weather Outlook

2 months 1 week ago
SPC Day 2 Fire Weather Outlook
Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0254 PM CDT Sun Jun 15 2025 Valid 161200Z - 171200Z ...CRITICAL FIRE WEATHER AREA FOR PARTS OF SOUTHERN NEVADA...SOUTHWESTERN UTAH...AND FAR NORTHWESTERN ARIZONA... ...Southern Nevada, Southwestern Utah and far Northwestern Arizona... Modest mid-level flow associated with a progressive upper-level trough will move into the Great Basin and Southwest Monday. A very dry, well-mixed boundary layer will support low teens to single digit relative humidity values across the region. A corridor of 20-30 mph winds are most likely from southern Nevada into south-central Utah where very low daytime humidity will support Critical fire weather conditions amid dry fuels. ...Columbia Basin... The upper-level short wave translating through the Pacific Northwest Monday will contribute to enhanced downslope winds particularly across the western portions of the Columbia Basin. West winds of around 15 mph combined with relative humidity in the 15-25 percent range will result in elevated fire weather concerns for central Washington state and Columbia River Gorge where ongoing fire activity remains. ..Williams.. 06/15/2025 .PREV DISCUSSION... /ISSUED 0156 AM CDT Sun Jun 15 2025/ ...Synopsis... During the day on Monday, a mid-level shortwave trough is expected to traverse California and into the Great Basin, and the surface mass response to this feature will tighten the sea-level pressure gradient across the area, resulting in strong surface winds. With seasonably strong vertical mixing, RH in the Great Basin and Four Corners region is expected to be around 5-15%. The best overlap of windy conditions and dry fuels is expected to be across parts of southeast Nevada, southwest Utah, and far northwest Arizona, where Critical highlights have been added. In this area, winds are expected to be near 20-30 mph with gusts as high as 35-40 mph underneath the core of the mid-level jet associated with the shortwave trough. Surrounding that Critical area, winds may be weaker and fuels less receptive to fire spread. However, this still warrants an Elevated area across parts of the Great Basin and Four Corners region. ...Please see www.spc.noaa.gov/fire for graphic product... Read more

SPC Day 2 Fire Weather Outlook

2 months 1 week ago
SPC Day 2 Fire Weather Outlook
Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0254 PM CDT Sun Jun 15 2025 Valid 161200Z - 171200Z ...CRITICAL FIRE WEATHER AREA FOR PARTS OF SOUTHERN NEVADA...SOUTHWESTERN UTAH...AND FAR NORTHWESTERN ARIZONA... ...Southern Nevada, Southwestern Utah and far Northwestern Arizona... Modest mid-level flow associated with a progressive upper-level trough will move into the Great Basin and Southwest Monday. A very dry, well-mixed boundary layer will support low teens to single digit relative humidity values across the region. A corridor of 20-30 mph winds are most likely from southern Nevada into south-central Utah where very low daytime humidity will support Critical fire weather conditions amid dry fuels. ...Columbia Basin... The upper-level short wave translating through the Pacific Northwest Monday will contribute to enhanced downslope winds particularly across the western portions of the Columbia Basin. West winds of around 15 mph combined with relative humidity in the 15-25 percent range will result in elevated fire weather concerns for central Washington state and Columbia River Gorge where ongoing fire activity remains. ..Williams.. 06/15/2025 .PREV DISCUSSION... /ISSUED 0156 AM CDT Sun Jun 15 2025/ ...Synopsis... During the day on Monday, a mid-level shortwave trough is expected to traverse California and into the Great Basin, and the surface mass response to this feature will tighten the sea-level pressure gradient across the area, resulting in strong surface winds. With seasonably strong vertical mixing, RH in the Great Basin and Four Corners region is expected to be around 5-15%. The best overlap of windy conditions and dry fuels is expected to be across parts of southeast Nevada, southwest Utah, and far northwest Arizona, where Critical highlights have been added. In this area, winds are expected to be near 20-30 mph with gusts as high as 35-40 mph underneath the core of the mid-level jet associated with the shortwave trough. Surrounding that Critical area, winds may be weaker and fuels less receptive to fire spread. However, this still warrants an Elevated area across parts of the Great Basin and Four Corners region. ...Please see www.spc.noaa.gov/fire for graphic product... Read more

SPC Day 2 Fire Weather Outlook

2 months 1 week ago
SPC Day 2 Fire Weather Outlook
Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0254 PM CDT Sun Jun 15 2025 Valid 161200Z - 171200Z ...CRITICAL FIRE WEATHER AREA FOR PARTS OF SOUTHERN NEVADA...SOUTHWESTERN UTAH...AND FAR NORTHWESTERN ARIZONA... ...Southern Nevada, Southwestern Utah and far Northwestern Arizona... Modest mid-level flow associated with a progressive upper-level trough will move into the Great Basin and Southwest Monday. A very dry, well-mixed boundary layer will support low teens to single digit relative humidity values across the region. A corridor of 20-30 mph winds are most likely from southern Nevada into south-central Utah where very low daytime humidity will support Critical fire weather conditions amid dry fuels. ...Columbia Basin... The upper-level short wave translating through the Pacific Northwest Monday will contribute to enhanced downslope winds particularly across the western portions of the Columbia Basin. West winds of around 15 mph combined with relative humidity in the 15-25 percent range will result in elevated fire weather concerns for central Washington state and Columbia River Gorge where ongoing fire activity remains. ..Williams.. 06/15/2025 .PREV DISCUSSION... /ISSUED 0156 AM CDT Sun Jun 15 2025/ ...Synopsis... During the day on Monday, a mid-level shortwave trough is expected to traverse California and into the Great Basin, and the surface mass response to this feature will tighten the sea-level pressure gradient across the area, resulting in strong surface winds. With seasonably strong vertical mixing, RH in the Great Basin and Four Corners region is expected to be around 5-15%. The best overlap of windy conditions and dry fuels is expected to be across parts of southeast Nevada, southwest Utah, and far northwest Arizona, where Critical highlights have been added. In this area, winds are expected to be near 20-30 mph with gusts as high as 35-40 mph underneath the core of the mid-level jet associated with the shortwave trough. Surrounding that Critical area, winds may be weaker and fuels less receptive to fire spread. However, this still warrants an Elevated area across parts of the Great Basin and Four Corners region. ...Please see www.spc.noaa.gov/fire for graphic product... Read more

SPC Day 2 Fire Weather Outlook

2 months 1 week ago
SPC Day 2 Fire Weather Outlook
Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0254 PM CDT Sun Jun 15 2025 Valid 161200Z - 171200Z ...CRITICAL FIRE WEATHER AREA FOR PARTS OF SOUTHERN NEVADA...SOUTHWESTERN UTAH...AND FAR NORTHWESTERN ARIZONA... ...Southern Nevada, Southwestern Utah and far Northwestern Arizona... Modest mid-level flow associated with a progressive upper-level trough will move into the Great Basin and Southwest Monday. A very dry, well-mixed boundary layer will support low teens to single digit relative humidity values across the region. A corridor of 20-30 mph winds are most likely from southern Nevada into south-central Utah where very low daytime humidity will support Critical fire weather conditions amid dry fuels. ...Columbia Basin... The upper-level short wave translating through the Pacific Northwest Monday will contribute to enhanced downslope winds particularly across the western portions of the Columbia Basin. West winds of around 15 mph combined with relative humidity in the 15-25 percent range will result in elevated fire weather concerns for central Washington state and Columbia River Gorge where ongoing fire activity remains. ..Williams.. 06/15/2025 .PREV DISCUSSION... /ISSUED 0156 AM CDT Sun Jun 15 2025/ ...Synopsis... During the day on Monday, a mid-level shortwave trough is expected to traverse California and into the Great Basin, and the surface mass response to this feature will tighten the sea-level pressure gradient across the area, resulting in strong surface winds. With seasonably strong vertical mixing, RH in the Great Basin and Four Corners region is expected to be around 5-15%. The best overlap of windy conditions and dry fuels is expected to be across parts of southeast Nevada, southwest Utah, and far northwest Arizona, where Critical highlights have been added. In this area, winds are expected to be near 20-30 mph with gusts as high as 35-40 mph underneath the core of the mid-level jet associated with the shortwave trough. Surrounding that Critical area, winds may be weaker and fuels less receptive to fire spread. However, this still warrants an Elevated area across parts of the Great Basin and Four Corners region. ...Please see www.spc.noaa.gov/fire for graphic product... Read more

SPC Day 2 Fire Weather Outlook

2 months 1 week ago
SPC Day 2 Fire Weather Outlook
Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0254 PM CDT Sun Jun 15 2025 Valid 161200Z - 171200Z ...CRITICAL FIRE WEATHER AREA FOR PARTS OF SOUTHERN NEVADA...SOUTHWESTERN UTAH...AND FAR NORTHWESTERN ARIZONA... ...Southern Nevada, Southwestern Utah and far Northwestern Arizona... Modest mid-level flow associated with a progressive upper-level trough will move into the Great Basin and Southwest Monday. A very dry, well-mixed boundary layer will support low teens to single digit relative humidity values across the region. A corridor of 20-30 mph winds are most likely from southern Nevada into south-central Utah where very low daytime humidity will support Critical fire weather conditions amid dry fuels. ...Columbia Basin... The upper-level short wave translating through the Pacific Northwest Monday will contribute to enhanced downslope winds particularly across the western portions of the Columbia Basin. West winds of around 15 mph combined with relative humidity in the 15-25 percent range will result in elevated fire weather concerns for central Washington state and Columbia River Gorge where ongoing fire activity remains. ..Williams.. 06/15/2025 .PREV DISCUSSION... /ISSUED 0156 AM CDT Sun Jun 15 2025/ ...Synopsis... During the day on Monday, a mid-level shortwave trough is expected to traverse California and into the Great Basin, and the surface mass response to this feature will tighten the sea-level pressure gradient across the area, resulting in strong surface winds. With seasonably strong vertical mixing, RH in the Great Basin and Four Corners region is expected to be around 5-15%. The best overlap of windy conditions and dry fuels is expected to be across parts of southeast Nevada, southwest Utah, and far northwest Arizona, where Critical highlights have been added. In this area, winds are expected to be near 20-30 mph with gusts as high as 35-40 mph underneath the core of the mid-level jet associated with the shortwave trough. Surrounding that Critical area, winds may be weaker and fuels less receptive to fire spread. However, this still warrants an Elevated area across parts of the Great Basin and Four Corners region. ...Please see www.spc.noaa.gov/fire for graphic product... Read more

SPC Day 2 Fire Weather Outlook

2 months 1 week ago
SPC Day 2 Fire Weather Outlook
Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0254 PM CDT Sun Jun 15 2025 Valid 161200Z - 171200Z ...CRITICAL FIRE WEATHER AREA FOR PARTS OF SOUTHERN NEVADA...SOUTHWESTERN UTAH...AND FAR NORTHWESTERN ARIZONA... ...Southern Nevada, Southwestern Utah and far Northwestern Arizona... Modest mid-level flow associated with a progressive upper-level trough will move into the Great Basin and Southwest Monday. A very dry, well-mixed boundary layer will support low teens to single digit relative humidity values across the region. A corridor of 20-30 mph winds are most likely from southern Nevada into south-central Utah where very low daytime humidity will support Critical fire weather conditions amid dry fuels. ...Columbia Basin... The upper-level short wave translating through the Pacific Northwest Monday will contribute to enhanced downslope winds particularly across the western portions of the Columbia Basin. West winds of around 15 mph combined with relative humidity in the 15-25 percent range will result in elevated fire weather concerns for central Washington state and Columbia River Gorge where ongoing fire activity remains. ..Williams.. 06/15/2025 .PREV DISCUSSION... /ISSUED 0156 AM CDT Sun Jun 15 2025/ ...Synopsis... During the day on Monday, a mid-level shortwave trough is expected to traverse California and into the Great Basin, and the surface mass response to this feature will tighten the sea-level pressure gradient across the area, resulting in strong surface winds. With seasonably strong vertical mixing, RH in the Great Basin and Four Corners region is expected to be around 5-15%. The best overlap of windy conditions and dry fuels is expected to be across parts of southeast Nevada, southwest Utah, and far northwest Arizona, where Critical highlights have been added. In this area, winds are expected to be near 20-30 mph with gusts as high as 35-40 mph underneath the core of the mid-level jet associated with the shortwave trough. Surrounding that Critical area, winds may be weaker and fuels less receptive to fire spread. However, this still warrants an Elevated area across parts of the Great Basin and Four Corners region. ...Please see www.spc.noaa.gov/fire for graphic product... Read more

SPC Day 2 Fire Weather Outlook

2 months 1 week ago
SPC Day 2 Fire Weather Outlook
Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0254 PM CDT Sun Jun 15 2025 Valid 161200Z - 171200Z ...CRITICAL FIRE WEATHER AREA FOR PARTS OF SOUTHERN NEVADA...SOUTHWESTERN UTAH...AND FAR NORTHWESTERN ARIZONA... ...Southern Nevada, Southwestern Utah and far Northwestern Arizona... Modest mid-level flow associated with a progressive upper-level trough will move into the Great Basin and Southwest Monday. A very dry, well-mixed boundary layer will support low teens to single digit relative humidity values across the region. A corridor of 20-30 mph winds are most likely from southern Nevada into south-central Utah where very low daytime humidity will support Critical fire weather conditions amid dry fuels. ...Columbia Basin... The upper-level short wave translating through the Pacific Northwest Monday will contribute to enhanced downslope winds particularly across the western portions of the Columbia Basin. West winds of around 15 mph combined with relative humidity in the 15-25 percent range will result in elevated fire weather concerns for central Washington state and Columbia River Gorge where ongoing fire activity remains. ..Williams.. 06/15/2025 .PREV DISCUSSION... /ISSUED 0156 AM CDT Sun Jun 15 2025/ ...Synopsis... During the day on Monday, a mid-level shortwave trough is expected to traverse California and into the Great Basin, and the surface mass response to this feature will tighten the sea-level pressure gradient across the area, resulting in strong surface winds. With seasonably strong vertical mixing, RH in the Great Basin and Four Corners region is expected to be around 5-15%. The best overlap of windy conditions and dry fuels is expected to be across parts of southeast Nevada, southwest Utah, and far northwest Arizona, where Critical highlights have been added. In this area, winds are expected to be near 20-30 mph with gusts as high as 35-40 mph underneath the core of the mid-level jet associated with the shortwave trough. Surrounding that Critical area, winds may be weaker and fuels less receptive to fire spread. However, this still warrants an Elevated area across parts of the Great Basin and Four Corners region. ...Please see www.spc.noaa.gov/fire for graphic product... Read more

SPC Day 2 Fire Weather Outlook

2 months 1 week ago
SPC Day 2 Fire Weather Outlook
Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0254 PM CDT Sun Jun 15 2025 Valid 161200Z - 171200Z ...CRITICAL FIRE WEATHER AREA FOR PARTS OF SOUTHERN NEVADA...SOUTHWESTERN UTAH...AND FAR NORTHWESTERN ARIZONA... ...Southern Nevada, Southwestern Utah and far Northwestern Arizona... Modest mid-level flow associated with a progressive upper-level trough will move into the Great Basin and Southwest Monday. A very dry, well-mixed boundary layer will support low teens to single digit relative humidity values across the region. A corridor of 20-30 mph winds are most likely from southern Nevada into south-central Utah where very low daytime humidity will support Critical fire weather conditions amid dry fuels. ...Columbia Basin... The upper-level short wave translating through the Pacific Northwest Monday will contribute to enhanced downslope winds particularly across the western portions of the Columbia Basin. West winds of around 15 mph combined with relative humidity in the 15-25 percent range will result in elevated fire weather concerns for central Washington state and Columbia River Gorge where ongoing fire activity remains. ..Williams.. 06/15/2025 .PREV DISCUSSION... /ISSUED 0156 AM CDT Sun Jun 15 2025/ ...Synopsis... During the day on Monday, a mid-level shortwave trough is expected to traverse California and into the Great Basin, and the surface mass response to this feature will tighten the sea-level pressure gradient across the area, resulting in strong surface winds. With seasonably strong vertical mixing, RH in the Great Basin and Four Corners region is expected to be around 5-15%. The best overlap of windy conditions and dry fuels is expected to be across parts of southeast Nevada, southwest Utah, and far northwest Arizona, where Critical highlights have been added. In this area, winds are expected to be near 20-30 mph with gusts as high as 35-40 mph underneath the core of the mid-level jet associated with the shortwave trough. Surrounding that Critical area, winds may be weaker and fuels less receptive to fire spread. However, this still warrants an Elevated area across parts of the Great Basin and Four Corners region. ...Please see www.spc.noaa.gov/fire for graphic product... Read more

SPC Day 2 Fire Weather Outlook

2 months 1 week ago
SPC Day 2 Fire Weather Outlook
Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0254 PM CDT Sun Jun 15 2025 Valid 161200Z - 171200Z ...CRITICAL FIRE WEATHER AREA FOR PARTS OF SOUTHERN NEVADA...SOUTHWESTERN UTAH...AND FAR NORTHWESTERN ARIZONA... ...Southern Nevada, Southwestern Utah and far Northwestern Arizona... Modest mid-level flow associated with a progressive upper-level trough will move into the Great Basin and Southwest Monday. A very dry, well-mixed boundary layer will support low teens to single digit relative humidity values across the region. A corridor of 20-30 mph winds are most likely from southern Nevada into south-central Utah where very low daytime humidity will support Critical fire weather conditions amid dry fuels. ...Columbia Basin... The upper-level short wave translating through the Pacific Northwest Monday will contribute to enhanced downslope winds particularly across the western portions of the Columbia Basin. West winds of around 15 mph combined with relative humidity in the 15-25 percent range will result in elevated fire weather concerns for central Washington state and Columbia River Gorge where ongoing fire activity remains. ..Williams.. 06/15/2025 .PREV DISCUSSION... /ISSUED 0156 AM CDT Sun Jun 15 2025/ ...Synopsis... During the day on Monday, a mid-level shortwave trough is expected to traverse California and into the Great Basin, and the surface mass response to this feature will tighten the sea-level pressure gradient across the area, resulting in strong surface winds. With seasonably strong vertical mixing, RH in the Great Basin and Four Corners region is expected to be around 5-15%. The best overlap of windy conditions and dry fuels is expected to be across parts of southeast Nevada, southwest Utah, and far northwest Arizona, where Critical highlights have been added. In this area, winds are expected to be near 20-30 mph with gusts as high as 35-40 mph underneath the core of the mid-level jet associated with the shortwave trough. Surrounding that Critical area, winds may be weaker and fuels less receptive to fire spread. However, this still warrants an Elevated area across parts of the Great Basin and Four Corners region. ...Please see www.spc.noaa.gov/fire for graphic product... Read more

SPC Jun 15, 2025 1930 UTC Day 3 Severe Thunderstorm Outlook

2 months 1 week ago
SPC 1930Z Day 3 Outlook
Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0228 PM CDT Sun Jun 15 2025 Valid 171200Z - 181200Z ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS FROM CENTRAL INTO EASTERN KANSAS... ...SUMMARY... Thunderstorms with large hail, damaging winds, and isolated tornadoes are possible Tuesday across parts of the central Plains and mid Missouri Valley. ...Synopsis... A shortwave trough will move east across the upper Great Lakes, with a cold front from parts of lower MI extending southwestward into KS. Meanwhile, a larger/low-amplitude trough will continue moving across the Rockies and to the high Plans by 00Z. Low pressure forecast to develop over the TX/OK Panhandles, with a dryline extending southward into northwest TX. A large area of strong instability will exist over much of KS, MO, OK and AR, with MUCAPE of 4000-5000 J/kg possible, supporting significant damaging winds, locally significant hail and a couple tornadoes. ...Central Plains... Indications are that an MCS or remnants will affect NE into northern or eastern KS early on Tuesday. Given strong destabilization east of this potential activity, a damaging wind risk could persist into parts of IA and MO. Later in the day, the air mass south and west of any such convective system (or residual outflow) will become very unstable. While capping will limit southward development, over OK and the Panhandles, hot temperatures and southwest flow across those regions will combine with mid 70s F dewpoints over KS yielding late afternoon and evening storms. Slow-moving supercells will be possible initially, especially near any old outflows where SRH will be maximized. Both tornadoes and very large hail will be possible. Otherwise, an increasing southwest low-level jet to 50 kt will support a severe MCS across KS and perhaps into western MO late. Damaging and potentially destructive wind gusts may occur. ..Jewell.. 06/15/2025 Read more

SPC Jun 15, 2025 1930 UTC Day 3 Severe Thunderstorm Outlook

2 months 1 week ago
SPC 1930Z Day 3 Outlook
Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0228 PM CDT Sun Jun 15 2025 Valid 171200Z - 181200Z ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS FROM CENTRAL INTO EASTERN KANSAS... ...SUMMARY... Thunderstorms with large hail, damaging winds, and isolated tornadoes are possible Tuesday across parts of the central Plains and mid Missouri Valley. ...Synopsis... A shortwave trough will move east across the upper Great Lakes, with a cold front from parts of lower MI extending southwestward into KS. Meanwhile, a larger/low-amplitude trough will continue moving across the Rockies and to the high Plans by 00Z. Low pressure forecast to develop over the TX/OK Panhandles, with a dryline extending southward into northwest TX. A large area of strong instability will exist over much of KS, MO, OK and AR, with MUCAPE of 4000-5000 J/kg possible, supporting significant damaging winds, locally significant hail and a couple tornadoes. ...Central Plains... Indications are that an MCS or remnants will affect NE into northern or eastern KS early on Tuesday. Given strong destabilization east of this potential activity, a damaging wind risk could persist into parts of IA and MO. Later in the day, the air mass south and west of any such convective system (or residual outflow) will become very unstable. While capping will limit southward development, over OK and the Panhandles, hot temperatures and southwest flow across those regions will combine with mid 70s F dewpoints over KS yielding late afternoon and evening storms. Slow-moving supercells will be possible initially, especially near any old outflows where SRH will be maximized. Both tornadoes and very large hail will be possible. Otherwise, an increasing southwest low-level jet to 50 kt will support a severe MCS across KS and perhaps into western MO late. Damaging and potentially destructive wind gusts may occur. ..Jewell.. 06/15/2025 Read more

SPC Jun 15, 2025 1930 UTC Day 3 Severe Thunderstorm Outlook

2 months 1 week ago
SPC 1930Z Day 3 Outlook
Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0228 PM CDT Sun Jun 15 2025 Valid 171200Z - 181200Z ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS FROM CENTRAL INTO EASTERN KANSAS... ...SUMMARY... Thunderstorms with large hail, damaging winds, and isolated tornadoes are possible Tuesday across parts of the central Plains and mid Missouri Valley. ...Synopsis... A shortwave trough will move east across the upper Great Lakes, with a cold front from parts of lower MI extending southwestward into KS. Meanwhile, a larger/low-amplitude trough will continue moving across the Rockies and to the high Plans by 00Z. Low pressure forecast to develop over the TX/OK Panhandles, with a dryline extending southward into northwest TX. A large area of strong instability will exist over much of KS, MO, OK and AR, with MUCAPE of 4000-5000 J/kg possible, supporting significant damaging winds, locally significant hail and a couple tornadoes. ...Central Plains... Indications are that an MCS or remnants will affect NE into northern or eastern KS early on Tuesday. Given strong destabilization east of this potential activity, a damaging wind risk could persist into parts of IA and MO. Later in the day, the air mass south and west of any such convective system (or residual outflow) will become very unstable. While capping will limit southward development, over OK and the Panhandles, hot temperatures and southwest flow across those regions will combine with mid 70s F dewpoints over KS yielding late afternoon and evening storms. Slow-moving supercells will be possible initially, especially near any old outflows where SRH will be maximized. Both tornadoes and very large hail will be possible. Otherwise, an increasing southwest low-level jet to 50 kt will support a severe MCS across KS and perhaps into western MO late. Damaging and potentially destructive wind gusts may occur. ..Jewell.. 06/15/2025 Read more

SPC Jun 15, 2025 1930 UTC Day 3 Severe Thunderstorm Outlook

2 months 1 week ago
SPC 1930Z Day 3 Outlook
Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0228 PM CDT Sun Jun 15 2025 Valid 171200Z - 181200Z ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS FROM CENTRAL INTO EASTERN KANSAS... ...SUMMARY... Thunderstorms with large hail, damaging winds, and isolated tornadoes are possible Tuesday across parts of the central Plains and mid Missouri Valley. ...Synopsis... A shortwave trough will move east across the upper Great Lakes, with a cold front from parts of lower MI extending southwestward into KS. Meanwhile, a larger/low-amplitude trough will continue moving across the Rockies and to the high Plans by 00Z. Low pressure forecast to develop over the TX/OK Panhandles, with a dryline extending southward into northwest TX. A large area of strong instability will exist over much of KS, MO, OK and AR, with MUCAPE of 4000-5000 J/kg possible, supporting significant damaging winds, locally significant hail and a couple tornadoes. ...Central Plains... Indications are that an MCS or remnants will affect NE into northern or eastern KS early on Tuesday. Given strong destabilization east of this potential activity, a damaging wind risk could persist into parts of IA and MO. Later in the day, the air mass south and west of any such convective system (or residual outflow) will become very unstable. While capping will limit southward development, over OK and the Panhandles, hot temperatures and southwest flow across those regions will combine with mid 70s F dewpoints over KS yielding late afternoon and evening storms. Slow-moving supercells will be possible initially, especially near any old outflows where SRH will be maximized. Both tornadoes and very large hail will be possible. Otherwise, an increasing southwest low-level jet to 50 kt will support a severe MCS across KS and perhaps into western MO late. Damaging and potentially destructive wind gusts may occur. ..Jewell.. 06/15/2025 Read more

SPC Jun 15, 2025 1930 UTC Day 3 Severe Thunderstorm Outlook

2 months 1 week ago
SPC 1930Z Day 3 Outlook
Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0228 PM CDT Sun Jun 15 2025 Valid 171200Z - 181200Z ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS FROM CENTRAL INTO EASTERN KANSAS... ...SUMMARY... Thunderstorms with large hail, damaging winds, and isolated tornadoes are possible Tuesday across parts of the central Plains and mid Missouri Valley. ...Synopsis... A shortwave trough will move east across the upper Great Lakes, with a cold front from parts of lower MI extending southwestward into KS. Meanwhile, a larger/low-amplitude trough will continue moving across the Rockies and to the high Plans by 00Z. Low pressure forecast to develop over the TX/OK Panhandles, with a dryline extending southward into northwest TX. A large area of strong instability will exist over much of KS, MO, OK and AR, with MUCAPE of 4000-5000 J/kg possible, supporting significant damaging winds, locally significant hail and a couple tornadoes. ...Central Plains... Indications are that an MCS or remnants will affect NE into northern or eastern KS early on Tuesday. Given strong destabilization east of this potential activity, a damaging wind risk could persist into parts of IA and MO. Later in the day, the air mass south and west of any such convective system (or residual outflow) will become very unstable. While capping will limit southward development, over OK and the Panhandles, hot temperatures and southwest flow across those regions will combine with mid 70s F dewpoints over KS yielding late afternoon and evening storms. Slow-moving supercells will be possible initially, especially near any old outflows where SRH will be maximized. Both tornadoes and very large hail will be possible. Otherwise, an increasing southwest low-level jet to 50 kt will support a severe MCS across KS and perhaps into western MO late. Damaging and potentially destructive wind gusts may occur. ..Jewell.. 06/15/2025 Read more

SPC Jun 15, 2025 1930 UTC Day 3 Severe Thunderstorm Outlook

2 months 1 week ago
SPC 1930Z Day 3 Outlook
Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0228 PM CDT Sun Jun 15 2025 Valid 171200Z - 181200Z ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS FROM CENTRAL INTO EASTERN KANSAS... ...SUMMARY... Thunderstorms with large hail, damaging winds, and isolated tornadoes are possible Tuesday across parts of the central Plains and mid Missouri Valley. ...Synopsis... A shortwave trough will move east across the upper Great Lakes, with a cold front from parts of lower MI extending southwestward into KS. Meanwhile, a larger/low-amplitude trough will continue moving across the Rockies and to the high Plans by 00Z. Low pressure forecast to develop over the TX/OK Panhandles, with a dryline extending southward into northwest TX. A large area of strong instability will exist over much of KS, MO, OK and AR, with MUCAPE of 4000-5000 J/kg possible, supporting significant damaging winds, locally significant hail and a couple tornadoes. ...Central Plains... Indications are that an MCS or remnants will affect NE into northern or eastern KS early on Tuesday. Given strong destabilization east of this potential activity, a damaging wind risk could persist into parts of IA and MO. Later in the day, the air mass south and west of any such convective system (or residual outflow) will become very unstable. While capping will limit southward development, over OK and the Panhandles, hot temperatures and southwest flow across those regions will combine with mid 70s F dewpoints over KS yielding late afternoon and evening storms. Slow-moving supercells will be possible initially, especially near any old outflows where SRH will be maximized. Both tornadoes and very large hail will be possible. Otherwise, an increasing southwest low-level jet to 50 kt will support a severe MCS across KS and perhaps into western MO late. Damaging and potentially destructive wind gusts may occur. ..Jewell.. 06/15/2025 Read more

SPC Jun 15, 2025 1930 UTC Day 3 Severe Thunderstorm Outlook

2 months 1 week ago
SPC 1930Z Day 3 Outlook
Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0228 PM CDT Sun Jun 15 2025 Valid 171200Z - 181200Z ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS FROM CENTRAL INTO EASTERN KANSAS... ...SUMMARY... Thunderstorms with large hail, damaging winds, and isolated tornadoes are possible Tuesday across parts of the central Plains and mid Missouri Valley. ...Synopsis... A shortwave trough will move east across the upper Great Lakes, with a cold front from parts of lower MI extending southwestward into KS. Meanwhile, a larger/low-amplitude trough will continue moving across the Rockies and to the high Plans by 00Z. Low pressure forecast to develop over the TX/OK Panhandles, with a dryline extending southward into northwest TX. A large area of strong instability will exist over much of KS, MO, OK and AR, with MUCAPE of 4000-5000 J/kg possible, supporting significant damaging winds, locally significant hail and a couple tornadoes. ...Central Plains... Indications are that an MCS or remnants will affect NE into northern or eastern KS early on Tuesday. Given strong destabilization east of this potential activity, a damaging wind risk could persist into parts of IA and MO. Later in the day, the air mass south and west of any such convective system (or residual outflow) will become very unstable. While capping will limit southward development, over OK and the Panhandles, hot temperatures and southwest flow across those regions will combine with mid 70s F dewpoints over KS yielding late afternoon and evening storms. Slow-moving supercells will be possible initially, especially near any old outflows where SRH will be maximized. Both tornadoes and very large hail will be possible. Otherwise, an increasing southwest low-level jet to 50 kt will support a severe MCS across KS and perhaps into western MO late. Damaging and potentially destructive wind gusts may occur. ..Jewell.. 06/15/2025 Read more