Severe Storms

SPC Day 2 Fire Weather Outlook
Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0242 PM CDT Thu Apr 10 2025 Valid 111200Z - 121200Z Primary adjustment to forecast across the Northern Plains was a southward extension of Elevated highlights into portions of Nebraska. Increasing surface winds are expected from the south in response to Northern Rockies lee troughing development. These winds will overlap sufficiently dry fuels within a well mixed boundary layer, where afternoon relative humidity is expected to drop into 15-20 percent range. This will promote an Elevated fire weather threat Friday for portions of the Dakotas and Nebraska. Otherwise, forecast (see below) remains on track across central Florida for Elevated fire weather conditions. ..Williams/Lyons.. 04/10/2025 .PREV DISCUSSION... /ISSUED 1219 AM CDT Thu Apr 10 2025/ ...Synopsis... A near-stationary mid-level trough will amplify along the East Coast as upper ridging continues to build over the central U.S. and another mid-level trough traverses the Pacific Northwest tomorrow (Friday). Ahead of the approaching Northwest mid-level trough, surface lee troughing will take place across the central and northern High Plains, supporting strong southerly flow in the process. A dry airmass will be transported northward across the northern High Plains, with 15-25 mph sustained southerly winds overlapping with 15-25 percent RH tomorrow afternoon. Elevated highlights have been introduced given dry/windy conditions overlapping at least marginally to modestly dry fuels. Meanwhile, a surface cold front is expected to sweep across the Florida Peninsula tomorrow, with dry/breezy conditions likely in the post-frontal regime. Winds may sustain over 15 mph for at least a few hours during the afternoon, as RH dips as low as 20-30 percent in some areas. Rainfall accumulations have barely exceeded 0.25 inches over the past week for most parts of the central Florida Peninsula, and given the presence of dry fuels, Elevated highlights have been introduced. ...Please see www.spc.noaa.gov/fire for graphic product... Read more

SPC Day 2 Fire Weather Outlook
Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0242 PM CDT Thu Apr 10 2025 Valid 111200Z - 121200Z Primary adjustment to forecast across the Northern Plains was a southward extension of Elevated highlights into portions of Nebraska. Increasing surface winds are expected from the south in response to Northern Rockies lee troughing development. These winds will overlap sufficiently dry fuels within a well mixed boundary layer, where afternoon relative humidity is expected to drop into 15-20 percent range. This will promote an Elevated fire weather threat Friday for portions of the Dakotas and Nebraska. Otherwise, forecast (see below) remains on track across central Florida for Elevated fire weather conditions. ..Williams/Lyons.. 04/10/2025 .PREV DISCUSSION... /ISSUED 1219 AM CDT Thu Apr 10 2025/ ...Synopsis... A near-stationary mid-level trough will amplify along the East Coast as upper ridging continues to build over the central U.S. and another mid-level trough traverses the Pacific Northwest tomorrow (Friday). Ahead of the approaching Northwest mid-level trough, surface lee troughing will take place across the central and northern High Plains, supporting strong southerly flow in the process. A dry airmass will be transported northward across the northern High Plains, with 15-25 mph sustained southerly winds overlapping with 15-25 percent RH tomorrow afternoon. Elevated highlights have been introduced given dry/windy conditions overlapping at least marginally to modestly dry fuels. Meanwhile, a surface cold front is expected to sweep across the Florida Peninsula tomorrow, with dry/breezy conditions likely in the post-frontal regime. Winds may sustain over 15 mph for at least a few hours during the afternoon, as RH dips as low as 20-30 percent in some areas. Rainfall accumulations have barely exceeded 0.25 inches over the past week for most parts of the central Florida Peninsula, and given the presence of dry fuels, Elevated highlights have been introduced. ...Please see www.spc.noaa.gov/fire for graphic product... Read more

SPC Day 2 Fire Weather Outlook
Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0242 PM CDT Thu Apr 10 2025 Valid 111200Z - 121200Z Primary adjustment to forecast across the Northern Plains was a southward extension of Elevated highlights into portions of Nebraska. Increasing surface winds are expected from the south in response to Northern Rockies lee troughing development. These winds will overlap sufficiently dry fuels within a well mixed boundary layer, where afternoon relative humidity is expected to drop into 15-20 percent range. This will promote an Elevated fire weather threat Friday for portions of the Dakotas and Nebraska. Otherwise, forecast (see below) remains on track across central Florida for Elevated fire weather conditions. ..Williams/Lyons.. 04/10/2025 .PREV DISCUSSION... /ISSUED 1219 AM CDT Thu Apr 10 2025/ ...Synopsis... A near-stationary mid-level trough will amplify along the East Coast as upper ridging continues to build over the central U.S. and another mid-level trough traverses the Pacific Northwest tomorrow (Friday). Ahead of the approaching Northwest mid-level trough, surface lee troughing will take place across the central and northern High Plains, supporting strong southerly flow in the process. A dry airmass will be transported northward across the northern High Plains, with 15-25 mph sustained southerly winds overlapping with 15-25 percent RH tomorrow afternoon. Elevated highlights have been introduced given dry/windy conditions overlapping at least marginally to modestly dry fuels. Meanwhile, a surface cold front is expected to sweep across the Florida Peninsula tomorrow, with dry/breezy conditions likely in the post-frontal regime. Winds may sustain over 15 mph for at least a few hours during the afternoon, as RH dips as low as 20-30 percent in some areas. Rainfall accumulations have barely exceeded 0.25 inches over the past week for most parts of the central Florida Peninsula, and given the presence of dry fuels, Elevated highlights have been introduced. ...Please see www.spc.noaa.gov/fire for graphic product... Read more

SPC Day 2 Fire Weather Outlook
Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0242 PM CDT Thu Apr 10 2025 Valid 111200Z - 121200Z Primary adjustment to forecast across the Northern Plains was a southward extension of Elevated highlights into portions of Nebraska. Increasing surface winds are expected from the south in response to Northern Rockies lee troughing development. These winds will overlap sufficiently dry fuels within a well mixed boundary layer, where afternoon relative humidity is expected to drop into 15-20 percent range. This will promote an Elevated fire weather threat Friday for portions of the Dakotas and Nebraska. Otherwise, forecast (see below) remains on track across central Florida for Elevated fire weather conditions. ..Williams/Lyons.. 04/10/2025 .PREV DISCUSSION... /ISSUED 1219 AM CDT Thu Apr 10 2025/ ...Synopsis... A near-stationary mid-level trough will amplify along the East Coast as upper ridging continues to build over the central U.S. and another mid-level trough traverses the Pacific Northwest tomorrow (Friday). Ahead of the approaching Northwest mid-level trough, surface lee troughing will take place across the central and northern High Plains, supporting strong southerly flow in the process. A dry airmass will be transported northward across the northern High Plains, with 15-25 mph sustained southerly winds overlapping with 15-25 percent RH tomorrow afternoon. Elevated highlights have been introduced given dry/windy conditions overlapping at least marginally to modestly dry fuels. Meanwhile, a surface cold front is expected to sweep across the Florida Peninsula tomorrow, with dry/breezy conditions likely in the post-frontal regime. Winds may sustain over 15 mph for at least a few hours during the afternoon, as RH dips as low as 20-30 percent in some areas. Rainfall accumulations have barely exceeded 0.25 inches over the past week for most parts of the central Florida Peninsula, and given the presence of dry fuels, Elevated highlights have been introduced. ...Please see www.spc.noaa.gov/fire for graphic product... Read more

SPC Day 2 Fire Weather Outlook
Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0242 PM CDT Thu Apr 10 2025 Valid 111200Z - 121200Z Primary adjustment to forecast across the Northern Plains was a southward extension of Elevated highlights into portions of Nebraska. Increasing surface winds are expected from the south in response to Northern Rockies lee troughing development. These winds will overlap sufficiently dry fuels within a well mixed boundary layer, where afternoon relative humidity is expected to drop into 15-20 percent range. This will promote an Elevated fire weather threat Friday for portions of the Dakotas and Nebraska. Otherwise, forecast (see below) remains on track across central Florida for Elevated fire weather conditions. ..Williams/Lyons.. 04/10/2025 .PREV DISCUSSION... /ISSUED 1219 AM CDT Thu Apr 10 2025/ ...Synopsis... A near-stationary mid-level trough will amplify along the East Coast as upper ridging continues to build over the central U.S. and another mid-level trough traverses the Pacific Northwest tomorrow (Friday). Ahead of the approaching Northwest mid-level trough, surface lee troughing will take place across the central and northern High Plains, supporting strong southerly flow in the process. A dry airmass will be transported northward across the northern High Plains, with 15-25 mph sustained southerly winds overlapping with 15-25 percent RH tomorrow afternoon. Elevated highlights have been introduced given dry/windy conditions overlapping at least marginally to modestly dry fuels. Meanwhile, a surface cold front is expected to sweep across the Florida Peninsula tomorrow, with dry/breezy conditions likely in the post-frontal regime. Winds may sustain over 15 mph for at least a few hours during the afternoon, as RH dips as low as 20-30 percent in some areas. Rainfall accumulations have barely exceeded 0.25 inches over the past week for most parts of the central Florida Peninsula, and given the presence of dry fuels, Elevated highlights have been introduced. ...Please see www.spc.noaa.gov/fire for graphic product... Read more

SPC Day 2 Fire Weather Outlook
Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0242 PM CDT Thu Apr 10 2025 Valid 111200Z - 121200Z Primary adjustment to forecast across the Northern Plains was a southward extension of Elevated highlights into portions of Nebraska. Increasing surface winds are expected from the south in response to Northern Rockies lee troughing development. These winds will overlap sufficiently dry fuels within a well mixed boundary layer, where afternoon relative humidity is expected to drop into 15-20 percent range. This will promote an Elevated fire weather threat Friday for portions of the Dakotas and Nebraska. Otherwise, forecast (see below) remains on track across central Florida for Elevated fire weather conditions. ..Williams/Lyons.. 04/10/2025 .PREV DISCUSSION... /ISSUED 1219 AM CDT Thu Apr 10 2025/ ...Synopsis... A near-stationary mid-level trough will amplify along the East Coast as upper ridging continues to build over the central U.S. and another mid-level trough traverses the Pacific Northwest tomorrow (Friday). Ahead of the approaching Northwest mid-level trough, surface lee troughing will take place across the central and northern High Plains, supporting strong southerly flow in the process. A dry airmass will be transported northward across the northern High Plains, with 15-25 mph sustained southerly winds overlapping with 15-25 percent RH tomorrow afternoon. Elevated highlights have been introduced given dry/windy conditions overlapping at least marginally to modestly dry fuels. Meanwhile, a surface cold front is expected to sweep across the Florida Peninsula tomorrow, with dry/breezy conditions likely in the post-frontal regime. Winds may sustain over 15 mph for at least a few hours during the afternoon, as RH dips as low as 20-30 percent in some areas. Rainfall accumulations have barely exceeded 0.25 inches over the past week for most parts of the central Florida Peninsula, and given the presence of dry fuels, Elevated highlights have been introduced. ...Please see www.spc.noaa.gov/fire for graphic product... Read more

SPC Day 2 Fire Weather Outlook
Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0242 PM CDT Thu Apr 10 2025 Valid 111200Z - 121200Z Primary adjustment to forecast across the Northern Plains was a southward extension of Elevated highlights into portions of Nebraska. Increasing surface winds are expected from the south in response to Northern Rockies lee troughing development. These winds will overlap sufficiently dry fuels within a well mixed boundary layer, where afternoon relative humidity is expected to drop into 15-20 percent range. This will promote an Elevated fire weather threat Friday for portions of the Dakotas and Nebraska. Otherwise, forecast (see below) remains on track across central Florida for Elevated fire weather conditions. ..Williams/Lyons.. 04/10/2025 .PREV DISCUSSION... /ISSUED 1219 AM CDT Thu Apr 10 2025/ ...Synopsis... A near-stationary mid-level trough will amplify along the East Coast as upper ridging continues to build over the central U.S. and another mid-level trough traverses the Pacific Northwest tomorrow (Friday). Ahead of the approaching Northwest mid-level trough, surface lee troughing will take place across the central and northern High Plains, supporting strong southerly flow in the process. A dry airmass will be transported northward across the northern High Plains, with 15-25 mph sustained southerly winds overlapping with 15-25 percent RH tomorrow afternoon. Elevated highlights have been introduced given dry/windy conditions overlapping at least marginally to modestly dry fuels. Meanwhile, a surface cold front is expected to sweep across the Florida Peninsula tomorrow, with dry/breezy conditions likely in the post-frontal regime. Winds may sustain over 15 mph for at least a few hours during the afternoon, as RH dips as low as 20-30 percent in some areas. Rainfall accumulations have barely exceeded 0.25 inches over the past week for most parts of the central Florida Peninsula, and given the presence of dry fuels, Elevated highlights have been introduced. ...Please see www.spc.noaa.gov/fire for graphic product... Read more

SPC Day 2 Fire Weather Outlook
Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0242 PM CDT Thu Apr 10 2025 Valid 111200Z - 121200Z Primary adjustment to forecast across the Northern Plains was a southward extension of Elevated highlights into portions of Nebraska. Increasing surface winds are expected from the south in response to Northern Rockies lee troughing development. These winds will overlap sufficiently dry fuels within a well mixed boundary layer, where afternoon relative humidity is expected to drop into 15-20 percent range. This will promote an Elevated fire weather threat Friday for portions of the Dakotas and Nebraska. Otherwise, forecast (see below) remains on track across central Florida for Elevated fire weather conditions. ..Williams/Lyons.. 04/10/2025 .PREV DISCUSSION... /ISSUED 1219 AM CDT Thu Apr 10 2025/ ...Synopsis... A near-stationary mid-level trough will amplify along the East Coast as upper ridging continues to build over the central U.S. and another mid-level trough traverses the Pacific Northwest tomorrow (Friday). Ahead of the approaching Northwest mid-level trough, surface lee troughing will take place across the central and northern High Plains, supporting strong southerly flow in the process. A dry airmass will be transported northward across the northern High Plains, with 15-25 mph sustained southerly winds overlapping with 15-25 percent RH tomorrow afternoon. Elevated highlights have been introduced given dry/windy conditions overlapping at least marginally to modestly dry fuels. Meanwhile, a surface cold front is expected to sweep across the Florida Peninsula tomorrow, with dry/breezy conditions likely in the post-frontal regime. Winds may sustain over 15 mph for at least a few hours during the afternoon, as RH dips as low as 20-30 percent in some areas. Rainfall accumulations have barely exceeded 0.25 inches over the past week for most parts of the central Florida Peninsula, and given the presence of dry fuels, Elevated highlights have been introduced. ...Please see www.spc.noaa.gov/fire for graphic product... Read more

SPC Day 2 Fire Weather Outlook
Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0242 PM CDT Thu Apr 10 2025 Valid 111200Z - 121200Z Primary adjustment to forecast across the Northern Plains was a southward extension of Elevated highlights into portions of Nebraska. Increasing surface winds are expected from the south in response to Northern Rockies lee troughing development. These winds will overlap sufficiently dry fuels within a well mixed boundary layer, where afternoon relative humidity is expected to drop into 15-20 percent range. This will promote an Elevated fire weather threat Friday for portions of the Dakotas and Nebraska. Otherwise, forecast (see below) remains on track across central Florida for Elevated fire weather conditions. ..Williams/Lyons.. 04/10/2025 .PREV DISCUSSION... /ISSUED 1219 AM CDT Thu Apr 10 2025/ ...Synopsis... A near-stationary mid-level trough will amplify along the East Coast as upper ridging continues to build over the central U.S. and another mid-level trough traverses the Pacific Northwest tomorrow (Friday). Ahead of the approaching Northwest mid-level trough, surface lee troughing will take place across the central and northern High Plains, supporting strong southerly flow in the process. A dry airmass will be transported northward across the northern High Plains, with 15-25 mph sustained southerly winds overlapping with 15-25 percent RH tomorrow afternoon. Elevated highlights have been introduced given dry/windy conditions overlapping at least marginally to modestly dry fuels. Meanwhile, a surface cold front is expected to sweep across the Florida Peninsula tomorrow, with dry/breezy conditions likely in the post-frontal regime. Winds may sustain over 15 mph for at least a few hours during the afternoon, as RH dips as low as 20-30 percent in some areas. Rainfall accumulations have barely exceeded 0.25 inches over the past week for most parts of the central Florida Peninsula, and given the presence of dry fuels, Elevated highlights have been introduced. ...Please see www.spc.noaa.gov/fire for graphic product... Read more

SPC Day 2 Fire Weather Outlook
Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0242 PM CDT Thu Apr 10 2025 Valid 111200Z - 121200Z Primary adjustment to forecast across the Northern Plains was a southward extension of Elevated highlights into portions of Nebraska. Increasing surface winds are expected from the south in response to Northern Rockies lee troughing development. These winds will overlap sufficiently dry fuels within a well mixed boundary layer, where afternoon relative humidity is expected to drop into 15-20 percent range. This will promote an Elevated fire weather threat Friday for portions of the Dakotas and Nebraska. Otherwise, forecast (see below) remains on track across central Florida for Elevated fire weather conditions. ..Williams/Lyons.. 04/10/2025 .PREV DISCUSSION... /ISSUED 1219 AM CDT Thu Apr 10 2025/ ...Synopsis... A near-stationary mid-level trough will amplify along the East Coast as upper ridging continues to build over the central U.S. and another mid-level trough traverses the Pacific Northwest tomorrow (Friday). Ahead of the approaching Northwest mid-level trough, surface lee troughing will take place across the central and northern High Plains, supporting strong southerly flow in the process. A dry airmass will be transported northward across the northern High Plains, with 15-25 mph sustained southerly winds overlapping with 15-25 percent RH tomorrow afternoon. Elevated highlights have been introduced given dry/windy conditions overlapping at least marginally to modestly dry fuels. Meanwhile, a surface cold front is expected to sweep across the Florida Peninsula tomorrow, with dry/breezy conditions likely in the post-frontal regime. Winds may sustain over 15 mph for at least a few hours during the afternoon, as RH dips as low as 20-30 percent in some areas. Rainfall accumulations have barely exceeded 0.25 inches over the past week for most parts of the central Florida Peninsula, and given the presence of dry fuels, Elevated highlights have been introduced. ...Please see www.spc.noaa.gov/fire for graphic product... Read more

SPC Day 2 Fire Weather Outlook
Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0242 PM CDT Thu Apr 10 2025 Valid 111200Z - 121200Z Primary adjustment to forecast across the Northern Plains was a southward extension of Elevated highlights into portions of Nebraska. Increasing surface winds are expected from the south in response to Northern Rockies lee troughing development. These winds will overlap sufficiently dry fuels within a well mixed boundary layer, where afternoon relative humidity is expected to drop into 15-20 percent range. This will promote an Elevated fire weather threat Friday for portions of the Dakotas and Nebraska. Otherwise, forecast (see below) remains on track across central Florida for Elevated fire weather conditions. ..Williams/Lyons.. 04/10/2025 .PREV DISCUSSION... /ISSUED 1219 AM CDT Thu Apr 10 2025/ ...Synopsis... A near-stationary mid-level trough will amplify along the East Coast as upper ridging continues to build over the central U.S. and another mid-level trough traverses the Pacific Northwest tomorrow (Friday). Ahead of the approaching Northwest mid-level trough, surface lee troughing will take place across the central and northern High Plains, supporting strong southerly flow in the process. A dry airmass will be transported northward across the northern High Plains, with 15-25 mph sustained southerly winds overlapping with 15-25 percent RH tomorrow afternoon. Elevated highlights have been introduced given dry/windy conditions overlapping at least marginally to modestly dry fuels. Meanwhile, a surface cold front is expected to sweep across the Florida Peninsula tomorrow, with dry/breezy conditions likely in the post-frontal regime. Winds may sustain over 15 mph for at least a few hours during the afternoon, as RH dips as low as 20-30 percent in some areas. Rainfall accumulations have barely exceeded 0.25 inches over the past week for most parts of the central Florida Peninsula, and given the presence of dry fuels, Elevated highlights have been introduced. ...Please see www.spc.noaa.gov/fire for graphic product... Read more

SPC Day 2 Fire Weather Outlook
Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0242 PM CDT Thu Apr 10 2025 Valid 111200Z - 121200Z Primary adjustment to forecast across the Northern Plains was a southward extension of Elevated highlights into portions of Nebraska. Increasing surface winds are expected from the south in response to Northern Rockies lee troughing development. These winds will overlap sufficiently dry fuels within a well mixed boundary layer, where afternoon relative humidity is expected to drop into 15-20 percent range. This will promote an Elevated fire weather threat Friday for portions of the Dakotas and Nebraska. Otherwise, forecast (see below) remains on track across central Florida for Elevated fire weather conditions. ..Williams/Lyons.. 04/10/2025 .PREV DISCUSSION... /ISSUED 1219 AM CDT Thu Apr 10 2025/ ...Synopsis... A near-stationary mid-level trough will amplify along the East Coast as upper ridging continues to build over the central U.S. and another mid-level trough traverses the Pacific Northwest tomorrow (Friday). Ahead of the approaching Northwest mid-level trough, surface lee troughing will take place across the central and northern High Plains, supporting strong southerly flow in the process. A dry airmass will be transported northward across the northern High Plains, with 15-25 mph sustained southerly winds overlapping with 15-25 percent RH tomorrow afternoon. Elevated highlights have been introduced given dry/windy conditions overlapping at least marginally to modestly dry fuels. Meanwhile, a surface cold front is expected to sweep across the Florida Peninsula tomorrow, with dry/breezy conditions likely in the post-frontal regime. Winds may sustain over 15 mph for at least a few hours during the afternoon, as RH dips as low as 20-30 percent in some areas. Rainfall accumulations have barely exceeded 0.25 inches over the past week for most parts of the central Florida Peninsula, and given the presence of dry fuels, Elevated highlights have been introduced. ...Please see www.spc.noaa.gov/fire for graphic product... Read more

SPC Day 2 Fire Weather Outlook
Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0242 PM CDT Thu Apr 10 2025 Valid 111200Z - 121200Z Primary adjustment to forecast across the Northern Plains was a southward extension of Elevated highlights into portions of Nebraska. Increasing surface winds are expected from the south in response to Northern Rockies lee troughing development. These winds will overlap sufficiently dry fuels within a well mixed boundary layer, where afternoon relative humidity is expected to drop into 15-20 percent range. This will promote an Elevated fire weather threat Friday for portions of the Dakotas and Nebraska. Otherwise, forecast (see below) remains on track across central Florida for Elevated fire weather conditions. ..Williams/Lyons.. 04/10/2025 .PREV DISCUSSION... /ISSUED 1219 AM CDT Thu Apr 10 2025/ ...Synopsis... A near-stationary mid-level trough will amplify along the East Coast as upper ridging continues to build over the central U.S. and another mid-level trough traverses the Pacific Northwest tomorrow (Friday). Ahead of the approaching Northwest mid-level trough, surface lee troughing will take place across the central and northern High Plains, supporting strong southerly flow in the process. A dry airmass will be transported northward across the northern High Plains, with 15-25 mph sustained southerly winds overlapping with 15-25 percent RH tomorrow afternoon. Elevated highlights have been introduced given dry/windy conditions overlapping at least marginally to modestly dry fuels. Meanwhile, a surface cold front is expected to sweep across the Florida Peninsula tomorrow, with dry/breezy conditions likely in the post-frontal regime. Winds may sustain over 15 mph for at least a few hours during the afternoon, as RH dips as low as 20-30 percent in some areas. Rainfall accumulations have barely exceeded 0.25 inches over the past week for most parts of the central Florida Peninsula, and given the presence of dry fuels, Elevated highlights have been introduced. ...Please see www.spc.noaa.gov/fire for graphic product... Read more

SPC Day 2 Fire Weather Outlook
Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0242 PM CDT Thu Apr 10 2025 Valid 111200Z - 121200Z Primary adjustment to forecast across the Northern Plains was a southward extension of Elevated highlights into portions of Nebraska. Increasing surface winds are expected from the south in response to Northern Rockies lee troughing development. These winds will overlap sufficiently dry fuels within a well mixed boundary layer, where afternoon relative humidity is expected to drop into 15-20 percent range. This will promote an Elevated fire weather threat Friday for portions of the Dakotas and Nebraska. Otherwise, forecast (see below) remains on track across central Florida for Elevated fire weather conditions. ..Williams/Lyons.. 04/10/2025 .PREV DISCUSSION... /ISSUED 1219 AM CDT Thu Apr 10 2025/ ...Synopsis... A near-stationary mid-level trough will amplify along the East Coast as upper ridging continues to build over the central U.S. and another mid-level trough traverses the Pacific Northwest tomorrow (Friday). Ahead of the approaching Northwest mid-level trough, surface lee troughing will take place across the central and northern High Plains, supporting strong southerly flow in the process. A dry airmass will be transported northward across the northern High Plains, with 15-25 mph sustained southerly winds overlapping with 15-25 percent RH tomorrow afternoon. Elevated highlights have been introduced given dry/windy conditions overlapping at least marginally to modestly dry fuels. Meanwhile, a surface cold front is expected to sweep across the Florida Peninsula tomorrow, with dry/breezy conditions likely in the post-frontal regime. Winds may sustain over 15 mph for at least a few hours during the afternoon, as RH dips as low as 20-30 percent in some areas. Rainfall accumulations have barely exceeded 0.25 inches over the past week for most parts of the central Florida Peninsula, and given the presence of dry fuels, Elevated highlights have been introduced. ...Please see www.spc.noaa.gov/fire for graphic product... Read more

SPC Day 2 Fire Weather Outlook
Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0242 PM CDT Thu Apr 10 2025 Valid 111200Z - 121200Z Primary adjustment to forecast across the Northern Plains was a southward extension of Elevated highlights into portions of Nebraska. Increasing surface winds are expected from the south in response to Northern Rockies lee troughing development. These winds will overlap sufficiently dry fuels within a well mixed boundary layer, where afternoon relative humidity is expected to drop into 15-20 percent range. This will promote an Elevated fire weather threat Friday for portions of the Dakotas and Nebraska. Otherwise, forecast (see below) remains on track across central Florida for Elevated fire weather conditions. ..Williams/Lyons.. 04/10/2025 .PREV DISCUSSION... /ISSUED 1219 AM CDT Thu Apr 10 2025/ ...Synopsis... A near-stationary mid-level trough will amplify along the East Coast as upper ridging continues to build over the central U.S. and another mid-level trough traverses the Pacific Northwest tomorrow (Friday). Ahead of the approaching Northwest mid-level trough, surface lee troughing will take place across the central and northern High Plains, supporting strong southerly flow in the process. A dry airmass will be transported northward across the northern High Plains, with 15-25 mph sustained southerly winds overlapping with 15-25 percent RH tomorrow afternoon. Elevated highlights have been introduced given dry/windy conditions overlapping at least marginally to modestly dry fuels. Meanwhile, a surface cold front is expected to sweep across the Florida Peninsula tomorrow, with dry/breezy conditions likely in the post-frontal regime. Winds may sustain over 15 mph for at least a few hours during the afternoon, as RH dips as low as 20-30 percent in some areas. Rainfall accumulations have barely exceeded 0.25 inches over the past week for most parts of the central Florida Peninsula, and given the presence of dry fuels, Elevated highlights have been introduced. ...Please see www.spc.noaa.gov/fire for graphic product... Read more

SPC Day 2 Fire Weather Outlook
Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0242 PM CDT Thu Apr 10 2025 Valid 111200Z - 121200Z Primary adjustment to forecast across the Northern Plains was a southward extension of Elevated highlights into portions of Nebraska. Increasing surface winds are expected from the south in response to Northern Rockies lee troughing development. These winds will overlap sufficiently dry fuels within a well mixed boundary layer, where afternoon relative humidity is expected to drop into 15-20 percent range. This will promote an Elevated fire weather threat Friday for portions of the Dakotas and Nebraska. Otherwise, forecast (see below) remains on track across central Florida for Elevated fire weather conditions. ..Williams/Lyons.. 04/10/2025 .PREV DISCUSSION... /ISSUED 1219 AM CDT Thu Apr 10 2025/ ...Synopsis... A near-stationary mid-level trough will amplify along the East Coast as upper ridging continues to build over the central U.S. and another mid-level trough traverses the Pacific Northwest tomorrow (Friday). Ahead of the approaching Northwest mid-level trough, surface lee troughing will take place across the central and northern High Plains, supporting strong southerly flow in the process. A dry airmass will be transported northward across the northern High Plains, with 15-25 mph sustained southerly winds overlapping with 15-25 percent RH tomorrow afternoon. Elevated highlights have been introduced given dry/windy conditions overlapping at least marginally to modestly dry fuels. Meanwhile, a surface cold front is expected to sweep across the Florida Peninsula tomorrow, with dry/breezy conditions likely in the post-frontal regime. Winds may sustain over 15 mph for at least a few hours during the afternoon, as RH dips as low as 20-30 percent in some areas. Rainfall accumulations have barely exceeded 0.25 inches over the past week for most parts of the central Florida Peninsula, and given the presence of dry fuels, Elevated highlights have been introduced. ...Please see www.spc.noaa.gov/fire for graphic product... Read more

SPC Day 2 Fire Weather Outlook
Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0242 PM CDT Thu Apr 10 2025 Valid 111200Z - 121200Z Primary adjustment to forecast across the Northern Plains was a southward extension of Elevated highlights into portions of Nebraska. Increasing surface winds are expected from the south in response to Northern Rockies lee troughing development. These winds will overlap sufficiently dry fuels within a well mixed boundary layer, where afternoon relative humidity is expected to drop into 15-20 percent range. This will promote an Elevated fire weather threat Friday for portions of the Dakotas and Nebraska. Otherwise, forecast (see below) remains on track across central Florida for Elevated fire weather conditions. ..Williams/Lyons.. 04/10/2025 .PREV DISCUSSION... /ISSUED 1219 AM CDT Thu Apr 10 2025/ ...Synopsis... A near-stationary mid-level trough will amplify along the East Coast as upper ridging continues to build over the central U.S. and another mid-level trough traverses the Pacific Northwest tomorrow (Friday). Ahead of the approaching Northwest mid-level trough, surface lee troughing will take place across the central and northern High Plains, supporting strong southerly flow in the process. A dry airmass will be transported northward across the northern High Plains, with 15-25 mph sustained southerly winds overlapping with 15-25 percent RH tomorrow afternoon. Elevated highlights have been introduced given dry/windy conditions overlapping at least marginally to modestly dry fuels. Meanwhile, a surface cold front is expected to sweep across the Florida Peninsula tomorrow, with dry/breezy conditions likely in the post-frontal regime. Winds may sustain over 15 mph for at least a few hours during the afternoon, as RH dips as low as 20-30 percent in some areas. Rainfall accumulations have barely exceeded 0.25 inches over the past week for most parts of the central Florida Peninsula, and given the presence of dry fuels, Elevated highlights have been introduced. ...Please see www.spc.noaa.gov/fire for graphic product... Read more

SPC 1930Z Day 3 Outlook
Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0230 PM CDT Thu Apr 10 2025 Valid 121200Z - 131200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected on Saturday or Saturday night. ...Central Rockies to the Upper Midwest... A mid-level ridge will deamplify through the day on Saturday as a mid-level shortwave trough progresses out of the northern Rockies into the northern Plains. Large-scale ascent will strengthen near peak diurnal heating across parts of the central Rockies to the Black Hills. With limited buoyancy, isolated/short-lived thunderstorms are anticipated amid scattered high-based/low-topped showers. Where deeply mixed thermodynamic profiles exist in eastern WY and western SD, isolated strong wind gusts are possible. As the low-level jet strengthens across the central Plains on Saturday night, sufficient elevated instability could support some thunderstorms across the Mid-Missouri Valley into the Upper Midwest. Limited moisture/instability should limit any large hail threat from this activity. ..Bentley.. 04/10/2025 Read more

SPC 1930Z Day 3 Outlook
Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0230 PM CDT Thu Apr 10 2025 Valid 121200Z - 131200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected on Saturday or Saturday night. ...Central Rockies to the Upper Midwest... A mid-level ridge will deamplify through the day on Saturday as a mid-level shortwave trough progresses out of the northern Rockies into the northern Plains. Large-scale ascent will strengthen near peak diurnal heating across parts of the central Rockies to the Black Hills. With limited buoyancy, isolated/short-lived thunderstorms are anticipated amid scattered high-based/low-topped showers. Where deeply mixed thermodynamic profiles exist in eastern WY and western SD, isolated strong wind gusts are possible. As the low-level jet strengthens across the central Plains on Saturday night, sufficient elevated instability could support some thunderstorms across the Mid-Missouri Valley into the Upper Midwest. Limited moisture/instability should limit any large hail threat from this activity. ..Bentley.. 04/10/2025 Read more

SPC 1930Z Day 3 Outlook
Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0230 PM CDT Thu Apr 10 2025 Valid 121200Z - 131200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected on Saturday or Saturday night. ...Central Rockies to the Upper Midwest... A mid-level ridge will deamplify through the day on Saturday as a mid-level shortwave trough progresses out of the northern Rockies into the northern Plains. Large-scale ascent will strengthen near peak diurnal heating across parts of the central Rockies to the Black Hills. With limited buoyancy, isolated/short-lived thunderstorms are anticipated amid scattered high-based/low-topped showers. Where deeply mixed thermodynamic profiles exist in eastern WY and western SD, isolated strong wind gusts are possible. As the low-level jet strengthens across the central Plains on Saturday night, sufficient elevated instability could support some thunderstorms across the Mid-Missouri Valley into the Upper Midwest. Limited moisture/instability should limit any large hail threat from this activity. ..Bentley.. 04/10/2025 Read more