SPC Day 3-8 Fire Weather Outlook

8 months 4 weeks ago
SPC Day 3-8 Fire Weather Outlook
Day 3-8 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0446 PM CDT Fri Oct 25 2024 Valid 271200Z - 021200Z An upper-level trough will move into the West with an amplified ridge shifting over the central/eastern US by mid next week. Well above normal temperatures will accompany the shifting ridge ahead of the trough, with strong southerly return flow across the Plains into the Midwest and Great Lakes. A cold front will push south and east through the West by early next week and much of the Plains mid-next week. ...Day 3/Sunday - Day 4/Monday: Northeast... On Day 3/Sunday, dry/breezy offshore flow will continue across portions of the Northeast with locally critical conditions possible. Flow appears to weaken further on Day 4/Monday, but near critically low RH is likely to continue across portions of the coastal Northeast. ...Day 3/Sunday - Day 5/Tuesday: Southwest, southern/central Plains, and Midwest... As the upper-level trough moves into the West, downslope flow will increase across portions of the northern/central High Plains on Day 3/Sunday. Locally critical conditions are likely as west-southerly winds increase amid lee troughing and downslope flow. These conditions may continue on Day 4/Monday, but forecast uncertainty remains regarding the timing of the cold front and development of potential critical conditions from eastern Colorado into eastern Wyoming and western Nebraska. On Day 4/Monday, dry/breezy winds will develop ahead of the cold front in portions of the southern Great Basin into the Southwest, with locally elevated to locally critical conditions likely. Lee troughing amid downslope flow will also result in dry/breezy conditions on portions of the southern High Plains behind a sharpening dryline. A relatively narrow corridor of elevated to locally critical winds/RH are likely to develop on Day 5/Tuesday from southern New Mexico/southwest Texas into southwest Kansas. Preclusion of 70% probabilities or further expansion of 40% probabilities in the southern Great Basin, Southwest, and southern/central High Plains are due to: 1) forecast high clouds, which is a known failure mode for critical conditions developing in these areas; 2) moisture return from the Gulf of Mexico amid strengthening southerly flow on the southern/central Plains; and 3) fuel receptiveness after recent rainfall and fuel availability in fuel limited ecosystems in potential outlook areas. For the Midwest and Great Lakes, strengthening southerly flow could increase fire weather concerns, but current forecast guidance has most areas of concern with non-critical RH. If the southerly return flow is drier, outlook areas will be considered in subsequent issuances. ...Day 5/Tuesday - Day 7/Thursday: southern California... Offshore winds remain likely in portions of southern California on Day 5/Tuesday into Day 7/Thursday. However, potential preceding precipitation and onshore flow coupled with a short period of weak Santa Ana/offshore winds preclude introducing probabilities currently. ..Nauslar.. 10/25/2024 ...Please see www.spc.noaa.gov/fire for graphic product... Read more

SPC Oct 25, 2024 2000 UTC Day 1 Convective Outlook

8 months 4 weeks ago
SPC 2000Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0252 PM CDT Fri Oct 25 2024 Valid 252000Z - 261200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected through tonight. ...20Z Update... Minor changes were made to the general thunderstorm forecast based on current observations and recent model guidance. See the previous discussion for additional details. ..Wendt.. 10/25/2024 .PREV DISCUSSION... /ISSUED 1100 AM CDT Fri Oct 25 2024/ ...Synopsis and Discussion... A modestly amplified and progressive large-scale pattern will persist over the CONUS today, including the deamplification of an eastward-moving shortwave trough over the Midwest/OH Valley. A surface cold front will similarly continue east-southeastward across the OH Valley/Mid-South toward the Appalachians and TN Valley through tonight. Isolated thunderstorms should continue this afternoon across the Ozarks near the cold front, and also northeastward into IN/OH to the north of a warm front across the lower OH Valley. Weak/thin buoyancy and meager effective shear within the more unstable warm sector are expected to limit severe thunderstorm potential through the period. Occasional lightning flashes may also occur across parts of the U.P. in MI and adjacent Lake Superior this evening/tonight as cold mid-level temperatures associated with an upper trough support weak instability. Read more

SPC Oct 25, 2024 2000 UTC Day 1 Convective Outlook

8 months 4 weeks ago
SPC 2000Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0252 PM CDT Fri Oct 25 2024 Valid 252000Z - 261200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected through tonight. ...20Z Update... Minor changes were made to the general thunderstorm forecast based on current observations and recent model guidance. See the previous discussion for additional details. ..Wendt.. 10/25/2024 .PREV DISCUSSION... /ISSUED 1100 AM CDT Fri Oct 25 2024/ ...Synopsis and Discussion... A modestly amplified and progressive large-scale pattern will persist over the CONUS today, including the deamplification of an eastward-moving shortwave trough over the Midwest/OH Valley. A surface cold front will similarly continue east-southeastward across the OH Valley/Mid-South toward the Appalachians and TN Valley through tonight. Isolated thunderstorms should continue this afternoon across the Ozarks near the cold front, and also northeastward into IN/OH to the north of a warm front across the lower OH Valley. Weak/thin buoyancy and meager effective shear within the more unstable warm sector are expected to limit severe thunderstorm potential through the period. Occasional lightning flashes may also occur across parts of the U.P. in MI and adjacent Lake Superior this evening/tonight as cold mid-level temperatures associated with an upper trough support weak instability. Read more

SPC Oct 25, 2024 2000 UTC Day 1 Convective Outlook

8 months 4 weeks ago
SPC 2000Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0252 PM CDT Fri Oct 25 2024 Valid 252000Z - 261200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected through tonight. ...20Z Update... Minor changes were made to the general thunderstorm forecast based on current observations and recent model guidance. See the previous discussion for additional details. ..Wendt.. 10/25/2024 .PREV DISCUSSION... /ISSUED 1100 AM CDT Fri Oct 25 2024/ ...Synopsis and Discussion... A modestly amplified and progressive large-scale pattern will persist over the CONUS today, including the deamplification of an eastward-moving shortwave trough over the Midwest/OH Valley. A surface cold front will similarly continue east-southeastward across the OH Valley/Mid-South toward the Appalachians and TN Valley through tonight. Isolated thunderstorms should continue this afternoon across the Ozarks near the cold front, and also northeastward into IN/OH to the north of a warm front across the lower OH Valley. Weak/thin buoyancy and meager effective shear within the more unstable warm sector are expected to limit severe thunderstorm potential through the period. Occasional lightning flashes may also occur across parts of the U.P. in MI and adjacent Lake Superior this evening/tonight as cold mid-level temperatures associated with an upper trough support weak instability. Read more

SPC Oct 25, 2024 2000 UTC Day 1 Convective Outlook

8 months 4 weeks ago
SPC 2000Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0252 PM CDT Fri Oct 25 2024 Valid 252000Z - 261200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected through tonight. ...20Z Update... Minor changes were made to the general thunderstorm forecast based on current observations and recent model guidance. See the previous discussion for additional details. ..Wendt.. 10/25/2024 .PREV DISCUSSION... /ISSUED 1100 AM CDT Fri Oct 25 2024/ ...Synopsis and Discussion... A modestly amplified and progressive large-scale pattern will persist over the CONUS today, including the deamplification of an eastward-moving shortwave trough over the Midwest/OH Valley. A surface cold front will similarly continue east-southeastward across the OH Valley/Mid-South toward the Appalachians and TN Valley through tonight. Isolated thunderstorms should continue this afternoon across the Ozarks near the cold front, and also northeastward into IN/OH to the north of a warm front across the lower OH Valley. Weak/thin buoyancy and meager effective shear within the more unstable warm sector are expected to limit severe thunderstorm potential through the period. Occasional lightning flashes may also occur across parts of the U.P. in MI and adjacent Lake Superior this evening/tonight as cold mid-level temperatures associated with an upper trough support weak instability. Read more

SPC Oct 25, 2024 2000 UTC Day 1 Convective Outlook

8 months 4 weeks ago
SPC 2000Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0252 PM CDT Fri Oct 25 2024 Valid 252000Z - 261200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected through tonight. ...20Z Update... Minor changes were made to the general thunderstorm forecast based on current observations and recent model guidance. See the previous discussion for additional details. ..Wendt.. 10/25/2024 .PREV DISCUSSION... /ISSUED 1100 AM CDT Fri Oct 25 2024/ ...Synopsis and Discussion... A modestly amplified and progressive large-scale pattern will persist over the CONUS today, including the deamplification of an eastward-moving shortwave trough over the Midwest/OH Valley. A surface cold front will similarly continue east-southeastward across the OH Valley/Mid-South toward the Appalachians and TN Valley through tonight. Isolated thunderstorms should continue this afternoon across the Ozarks near the cold front, and also northeastward into IN/OH to the north of a warm front across the lower OH Valley. Weak/thin buoyancy and meager effective shear within the more unstable warm sector are expected to limit severe thunderstorm potential through the period. Occasional lightning flashes may also occur across parts of the U.P. in MI and adjacent Lake Superior this evening/tonight as cold mid-level temperatures associated with an upper trough support weak instability. Read more

SPC Oct 25, 2024 2000 UTC Day 1 Convective Outlook

8 months 4 weeks ago
SPC 2000Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0252 PM CDT Fri Oct 25 2024 Valid 252000Z - 261200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected through tonight. ...20Z Update... Minor changes were made to the general thunderstorm forecast based on current observations and recent model guidance. See the previous discussion for additional details. ..Wendt.. 10/25/2024 .PREV DISCUSSION... /ISSUED 1100 AM CDT Fri Oct 25 2024/ ...Synopsis and Discussion... A modestly amplified and progressive large-scale pattern will persist over the CONUS today, including the deamplification of an eastward-moving shortwave trough over the Midwest/OH Valley. A surface cold front will similarly continue east-southeastward across the OH Valley/Mid-South toward the Appalachians and TN Valley through tonight. Isolated thunderstorms should continue this afternoon across the Ozarks near the cold front, and also northeastward into IN/OH to the north of a warm front across the lower OH Valley. Weak/thin buoyancy and meager effective shear within the more unstable warm sector are expected to limit severe thunderstorm potential through the period. Occasional lightning flashes may also occur across parts of the U.P. in MI and adjacent Lake Superior this evening/tonight as cold mid-level temperatures associated with an upper trough support weak instability. Read more

SPC Oct 25, 2024 2000 UTC Day 1 Convective Outlook

8 months 4 weeks ago
SPC 2000Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0252 PM CDT Fri Oct 25 2024 Valid 252000Z - 261200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected through tonight. ...20Z Update... Minor changes were made to the general thunderstorm forecast based on current observations and recent model guidance. See the previous discussion for additional details. ..Wendt.. 10/25/2024 .PREV DISCUSSION... /ISSUED 1100 AM CDT Fri Oct 25 2024/ ...Synopsis and Discussion... A modestly amplified and progressive large-scale pattern will persist over the CONUS today, including the deamplification of an eastward-moving shortwave trough over the Midwest/OH Valley. A surface cold front will similarly continue east-southeastward across the OH Valley/Mid-South toward the Appalachians and TN Valley through tonight. Isolated thunderstorms should continue this afternoon across the Ozarks near the cold front, and also northeastward into IN/OH to the north of a warm front across the lower OH Valley. Weak/thin buoyancy and meager effective shear within the more unstable warm sector are expected to limit severe thunderstorm potential through the period. Occasional lightning flashes may also occur across parts of the U.P. in MI and adjacent Lake Superior this evening/tonight as cold mid-level temperatures associated with an upper trough support weak instability. Read more

SPC Oct 25, 2024 2000 UTC Day 1 Convective Outlook

8 months 4 weeks ago
SPC 2000Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0252 PM CDT Fri Oct 25 2024 Valid 252000Z - 261200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected through tonight. ...20Z Update... Minor changes were made to the general thunderstorm forecast based on current observations and recent model guidance. See the previous discussion for additional details. ..Wendt.. 10/25/2024 .PREV DISCUSSION... /ISSUED 1100 AM CDT Fri Oct 25 2024/ ...Synopsis and Discussion... A modestly amplified and progressive large-scale pattern will persist over the CONUS today, including the deamplification of an eastward-moving shortwave trough over the Midwest/OH Valley. A surface cold front will similarly continue east-southeastward across the OH Valley/Mid-South toward the Appalachians and TN Valley through tonight. Isolated thunderstorms should continue this afternoon across the Ozarks near the cold front, and also northeastward into IN/OH to the north of a warm front across the lower OH Valley. Weak/thin buoyancy and meager effective shear within the more unstable warm sector are expected to limit severe thunderstorm potential through the period. Occasional lightning flashes may also occur across parts of the U.P. in MI and adjacent Lake Superior this evening/tonight as cold mid-level temperatures associated with an upper trough support weak instability. Read more

SPC Oct 25, 2024 1930 UTC Day 3 Severe Thunderstorm Outlook

8 months 4 weeks ago
SPC 1930Z Day 3 Outlook
Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0228 PM CDT Fri Oct 25 2024 Valid 271200Z - 281200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms are possible on Sunday across parts of the Pacific Northwest coastal vicinity. Severe thunderstorms are not expected. ...Synopsis... A large upper trough will develop into the western CONUS on Sunday, shunting an upper ridge quickly across the Plains and toward the MS Valley. Substantial cooling aloft will result in weak destabilization across parts of the Pacific Northwest with 500 mb temperatures to about -25 C. Forecast soundings depict perhaps 100 J/kg SBCAPE across coastal counties of WA and OR where EL temperatures will likely be cold enough to support lightning. ..Jewell.. 10/25/2024 Read more

SPC Oct 25, 2024 1930 UTC Day 3 Severe Thunderstorm Outlook

8 months 4 weeks ago
SPC 1930Z Day 3 Outlook
Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0228 PM CDT Fri Oct 25 2024 Valid 271200Z - 281200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms are possible on Sunday across parts of the Pacific Northwest coastal vicinity. Severe thunderstorms are not expected. ...Synopsis... A large upper trough will develop into the western CONUS on Sunday, shunting an upper ridge quickly across the Plains and toward the MS Valley. Substantial cooling aloft will result in weak destabilization across parts of the Pacific Northwest with 500 mb temperatures to about -25 C. Forecast soundings depict perhaps 100 J/kg SBCAPE across coastal counties of WA and OR where EL temperatures will likely be cold enough to support lightning. ..Jewell.. 10/25/2024 Read more

SPC Oct 25, 2024 1930 UTC Day 3 Severe Thunderstorm Outlook

8 months 4 weeks ago
SPC 1930Z Day 3 Outlook
Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0228 PM CDT Fri Oct 25 2024 Valid 271200Z - 281200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms are possible on Sunday across parts of the Pacific Northwest coastal vicinity. Severe thunderstorms are not expected. ...Synopsis... A large upper trough will develop into the western CONUS on Sunday, shunting an upper ridge quickly across the Plains and toward the MS Valley. Substantial cooling aloft will result in weak destabilization across parts of the Pacific Northwest with 500 mb temperatures to about -25 C. Forecast soundings depict perhaps 100 J/kg SBCAPE across coastal counties of WA and OR where EL temperatures will likely be cold enough to support lightning. ..Jewell.. 10/25/2024 Read more

SPC Oct 25, 2024 1930 UTC Day 3 Severe Thunderstorm Outlook

8 months 4 weeks ago
SPC 1930Z Day 3 Outlook
Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0228 PM CDT Fri Oct 25 2024 Valid 271200Z - 281200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms are possible on Sunday across parts of the Pacific Northwest coastal vicinity. Severe thunderstorms are not expected. ...Synopsis... A large upper trough will develop into the western CONUS on Sunday, shunting an upper ridge quickly across the Plains and toward the MS Valley. Substantial cooling aloft will result in weak destabilization across parts of the Pacific Northwest with 500 mb temperatures to about -25 C. Forecast soundings depict perhaps 100 J/kg SBCAPE across coastal counties of WA and OR where EL temperatures will likely be cold enough to support lightning. ..Jewell.. 10/25/2024 Read more

SPC Oct 25, 2024 1930 UTC Day 3 Severe Thunderstorm Outlook

8 months 4 weeks ago
SPC 1930Z Day 3 Outlook
Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0228 PM CDT Fri Oct 25 2024 Valid 271200Z - 281200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms are possible on Sunday across parts of the Pacific Northwest coastal vicinity. Severe thunderstorms are not expected. ...Synopsis... A large upper trough will develop into the western CONUS on Sunday, shunting an upper ridge quickly across the Plains and toward the MS Valley. Substantial cooling aloft will result in weak destabilization across parts of the Pacific Northwest with 500 mb temperatures to about -25 C. Forecast soundings depict perhaps 100 J/kg SBCAPE across coastal counties of WA and OR where EL temperatures will likely be cold enough to support lightning. ..Jewell.. 10/25/2024 Read more

SPC Oct 25, 2024 1930 UTC Day 3 Severe Thunderstorm Outlook

8 months 4 weeks ago
SPC 1930Z Day 3 Outlook
Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0228 PM CDT Fri Oct 25 2024 Valid 271200Z - 281200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms are possible on Sunday across parts of the Pacific Northwest coastal vicinity. Severe thunderstorms are not expected. ...Synopsis... A large upper trough will develop into the western CONUS on Sunday, shunting an upper ridge quickly across the Plains and toward the MS Valley. Substantial cooling aloft will result in weak destabilization across parts of the Pacific Northwest with 500 mb temperatures to about -25 C. Forecast soundings depict perhaps 100 J/kg SBCAPE across coastal counties of WA and OR where EL temperatures will likely be cold enough to support lightning. ..Jewell.. 10/25/2024 Read more

SPC Oct 25, 2024 1930 UTC Day 3 Severe Thunderstorm Outlook

8 months 4 weeks ago
SPC 1930Z Day 3 Outlook
Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0228 PM CDT Fri Oct 25 2024 Valid 271200Z - 281200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms are possible on Sunday across parts of the Pacific Northwest coastal vicinity. Severe thunderstorms are not expected. ...Synopsis... A large upper trough will develop into the western CONUS on Sunday, shunting an upper ridge quickly across the Plains and toward the MS Valley. Substantial cooling aloft will result in weak destabilization across parts of the Pacific Northwest with 500 mb temperatures to about -25 C. Forecast soundings depict perhaps 100 J/kg SBCAPE across coastal counties of WA and OR where EL temperatures will likely be cold enough to support lightning. ..Jewell.. 10/25/2024 Read more

Lack of rain affecting operations at cranberry farm in New Jersey

8 months 4 weeks ago
A cranberry farm in the Pine Barrens has not had rain since Aug. 8 and no longer has water flowing from their natural reservoir. The limited water that they have must be carefully conserved for flooding cranberry bogs, frost protection and firefighting. Well water was being used, and the cost of diesel fuel was substantial with the bill for the past month, exceeding the diesel fuel expense for the whole year. WTXF-TV FOX 29 Philadelphia (Pa.), Oct 24, 2024

SPC Day 2 Fire Weather Outlook

8 months 4 weeks ago
SPC Day 2 Fire Weather Outlook
Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 1217 PM CDT Fri Oct 25 2024 Valid 261200Z - 271200Z Latest high-resolution forecast guidance indicates that elevated conditions are likely from Maryland/Delaware northward through Massachusetts. Minimum RH of 25-35% with northwest sustained winds of 10-20 mph and gusts of 20-30 mph are expected tomorrow across this area. Additionally, record high fire danger will result in locally critical conditions, most likely in portions of New Jersey/vicinity. An Elevated area was also added for portions of Wyoming where near critical winds/RH will overlap dry fuels. Locally elevated winds/RH may extend into portions of western Nebraska/South Dakota as well. ..Nauslar.. 10/25/2024 .PREV DISCUSSION... /ISSUED 0201 AM CDT Fri Oct 25 2024/ ...Synopsis... Strong ridging will dominate the CONUS D2/Saturday as the upper-level flow pattern amplifies. The prior cold front will continue eastward with trailing high pressure remaining over the central CONUS. Increasing flow aloft over the West will support the development of modest lee troughing and downslope flow over the Front Range, while offshore flow is expected over the Northeast. Local fire-weather concerns could develop, but are not expected to be widespread. ...Lee of the Rockies and High Plains... As the upper ridge shifts east, westerly flow will overspread the Rockies and High Plains beginning early Saturday. As a result, weak lee troughing should develop and encourage breezy winds across parts of the Front Range and the High Plains. While not overly strong, periodic 15-20 mph surface winds and downslope drying will support RH values as low as 20-25%. The occasional stronger winds may overlap with areas of receptive fuels supporting a few hours of locally elevated fire-weather conditions. However, with only sporadic winds and marginal RH, more widespread fire-weather concerns appear unlikely. ...Northeast... In the wake of the cold front moving offshore, a cooler, but still dry and breezy air mass may develop over parts of the Northeast Saturday. As the ridge shifts eastward, flow aloft will gradually become more northwesterly and intensify. This should support dry offshore flow over much of the East Coast. While RH values may not be overly low, a few hours of RH below 30% appear likely given the dry origins of the continental air mass. With little recent rainfall, area fuels are quite dry. A few hours of locally elevated fire-weather conditions are possible, despite marginal winds and RH. ...Please see www.spc.noaa.gov/fire for graphic product... Read more

SPC Day 2 Fire Weather Outlook

8 months 4 weeks ago
SPC Day 2 Fire Weather Outlook
Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 1217 PM CDT Fri Oct 25 2024 Valid 261200Z - 271200Z Latest high-resolution forecast guidance indicates that elevated conditions are likely from Maryland/Delaware northward through Massachusetts. Minimum RH of 25-35% with northwest sustained winds of 10-20 mph and gusts of 20-30 mph are expected tomorrow across this area. Additionally, record high fire danger will result in locally critical conditions, most likely in portions of New Jersey/vicinity. An Elevated area was also added for portions of Wyoming where near critical winds/RH will overlap dry fuels. Locally elevated winds/RH may extend into portions of western Nebraska/South Dakota as well. ..Nauslar.. 10/25/2024 .PREV DISCUSSION... /ISSUED 0201 AM CDT Fri Oct 25 2024/ ...Synopsis... Strong ridging will dominate the CONUS D2/Saturday as the upper-level flow pattern amplifies. The prior cold front will continue eastward with trailing high pressure remaining over the central CONUS. Increasing flow aloft over the West will support the development of modest lee troughing and downslope flow over the Front Range, while offshore flow is expected over the Northeast. Local fire-weather concerns could develop, but are not expected to be widespread. ...Lee of the Rockies and High Plains... As the upper ridge shifts east, westerly flow will overspread the Rockies and High Plains beginning early Saturday. As a result, weak lee troughing should develop and encourage breezy winds across parts of the Front Range and the High Plains. While not overly strong, periodic 15-20 mph surface winds and downslope drying will support RH values as low as 20-25%. The occasional stronger winds may overlap with areas of receptive fuels supporting a few hours of locally elevated fire-weather conditions. However, with only sporadic winds and marginal RH, more widespread fire-weather concerns appear unlikely. ...Northeast... In the wake of the cold front moving offshore, a cooler, but still dry and breezy air mass may develop over parts of the Northeast Saturday. As the ridge shifts eastward, flow aloft will gradually become more northwesterly and intensify. This should support dry offshore flow over much of the East Coast. While RH values may not be overly low, a few hours of RH below 30% appear likely given the dry origins of the continental air mass. With little recent rainfall, area fuels are quite dry. A few hours of locally elevated fire-weather conditions are possible, despite marginal winds and RH. ...Please see www.spc.noaa.gov/fire for graphic product... Read more

SPC Day 2 Fire Weather Outlook

8 months 4 weeks ago
SPC Day 2 Fire Weather Outlook
Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 1217 PM CDT Fri Oct 25 2024 Valid 261200Z - 271200Z Latest high-resolution forecast guidance indicates that elevated conditions are likely from Maryland/Delaware northward through Massachusetts. Minimum RH of 25-35% with northwest sustained winds of 10-20 mph and gusts of 20-30 mph are expected tomorrow across this area. Additionally, record high fire danger will result in locally critical conditions, most likely in portions of New Jersey/vicinity. An Elevated area was also added for portions of Wyoming where near critical winds/RH will overlap dry fuels. Locally elevated winds/RH may extend into portions of western Nebraska/South Dakota as well. ..Nauslar.. 10/25/2024 .PREV DISCUSSION... /ISSUED 0201 AM CDT Fri Oct 25 2024/ ...Synopsis... Strong ridging will dominate the CONUS D2/Saturday as the upper-level flow pattern amplifies. The prior cold front will continue eastward with trailing high pressure remaining over the central CONUS. Increasing flow aloft over the West will support the development of modest lee troughing and downslope flow over the Front Range, while offshore flow is expected over the Northeast. Local fire-weather concerns could develop, but are not expected to be widespread. ...Lee of the Rockies and High Plains... As the upper ridge shifts east, westerly flow will overspread the Rockies and High Plains beginning early Saturday. As a result, weak lee troughing should develop and encourage breezy winds across parts of the Front Range and the High Plains. While not overly strong, periodic 15-20 mph surface winds and downslope drying will support RH values as low as 20-25%. The occasional stronger winds may overlap with areas of receptive fuels supporting a few hours of locally elevated fire-weather conditions. However, with only sporadic winds and marginal RH, more widespread fire-weather concerns appear unlikely. ...Northeast... In the wake of the cold front moving offshore, a cooler, but still dry and breezy air mass may develop over parts of the Northeast Saturday. As the ridge shifts eastward, flow aloft will gradually become more northwesterly and intensify. This should support dry offshore flow over much of the East Coast. While RH values may not be overly low, a few hours of RH below 30% appear likely given the dry origins of the continental air mass. With little recent rainfall, area fuels are quite dry. A few hours of locally elevated fire-weather conditions are possible, despite marginal winds and RH. ...Please see www.spc.noaa.gov/fire for graphic product... Read more