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Red Flag Warning issued August 28 at 10:10AM PDT until August 28 at 9:00PM PDT by NWS Seattle WA

3 weeks ago
* AFFECTED AREA...Fire Weather Zone 658 West Slopes of the North Cascades Generally above 1500 Feet, Fire Weather Zone 659 West Slopes of the Central Cascades Generally above 1500 Feet and Fire Weather Zone 661 East Portion of the Olympic Mountains. * THUNDERSTORMS...Thunderstorms are favored along the eastern slopes of the Olympic mountains and more so in the Cascades this afternoon and evening. Some brief heavy rain or isolated wetting rains are possible, but lightning strikes on very dry fuel are capable of new fire starts. * OUTFLOW WINDS...Outflow winds of 25 to 30 mph are possible. Outflow winds can occur ahead of and behind storms and cause erratic wind directions. * IMPACTS...Scattered lightning in dry fuels can cause multiple fire starts. Thunderstorms can also bring sudden sharp wind shifts on existing fires, causing rapid changes in a fire's rate of spread and direction of spread. Thunderstorm outflow winds can be a threat for several hours following the start of a new lightning-caused fire. If a fire were to begin, air quality may diminish in the surrounding area. With lightning occurrences having started earlier this week and thunderstorms expected again today, multiple days in a row of lightning strikes on our dry fuels could result in a critical number of new wildfires. * THUNDERSTORMS...A few lightning strikes occurred in the higher terrain of the Cascades mountains yesterday and that will resume this afternoon and evening. Multiple days in a row of lightning strikes on our dry fuels could result in a critical number of new wildfires.
NWS

Flood Watch issued August 28 at 3:19AM PDT until August 28 at 9:00PM PDT by NWS Spokane WA

3 weeks ago
* WHAT...Flash flooding and debris flows caused by excessive rainfall from thunderstorms is possible. * WHERE...A portion of North Central Washington, including the following counties, Chelan and Okanogan. * WHEN...From 11 AM PDT this morning through this evening. * IMPACTS...Heavy rainfall may result in flash flooding or debris flows in steep terrain, particularly near burn scar locations. Rain rates of up to an inch per hour will be possible with thunderstorms. * ADDITIONAL DETAILS... - Those within canyons or near burn scars should monitor for updated information from local authorities. - http://www.weather.gov/safety/flood
NWS

Red Flag Warning issued August 27 at 9:24PM PDT until August 28 at 9:00PM PDT by NWS Seattle WA

3 weeks ago
* AFFECTED AREA...Fire Weather Zone 658 West Slopes of the North Cascades Generally above 1500 Feet, Fire Weather Zone 659 West Slopes of the Central Cascades Generally above 1500 Feet and Fire Weather Zone 661 East Portion of the Olympic Mountains. * THUNDERSTORMS...Thunderstorms are favored along the eastern slopes of the Olympic mountains and more so in the Cascades from this afternoon and evening and again Thursday into Thursday night. Some brief heavy rain or isolated wetting rains are possible, but lightning strikes on very dry fuel are capable of new fire starts. * OUTFLOW WINDS...Outflow winds of 25 to 30 mph are possible. Outflow winds can occur ahead of and behind storms and cause erratic wind directions. * IMPACTS...Scattered lightning in dry fuels can cause multiple fire starts. Thunderstorms can also bring sudden sharp wind shifts on existing fires, causing rapid changes in a fire's rate of spread and direction of spread. Thunderstorm outflow winds can be a threat for several hours following the start of a new lightning-caused fire. If a fire were to begin, air quality may diminish in the surrounding area. With lightning occurrences having started Tuesday and thunderstorms expect for two more days, multiple days in a row of lightning strikes on our dry fuels could result in a critical number of new wildfires. * THUNDERSTORMS...Multiple lightning strikes occurred in the higher terrain of the Cascades mountains yesterday afternoon and evening and that will resume this afternoon and evening. Multiple days in a row of lightning strikes on our dry fuels could result in a critical number of new wildfires.
NWS

Flood Watch issued August 27 at 1:49PM PDT until August 28 at 9:00PM PDT by NWS Spokane WA

3 weeks ago
Thunderstorms with heavy rain are expected to develop late Thursday morning through Thursday evening in the Cascades. Heavy rainfall in steep terrain and burn scars may lead to flash flooding or debris flows on Thursday. * WHAT...Flash flooding and debris flows caused by excessive rainfall from thunderstorms is possible. * WHERE...A portion of North Central Washington, including the following counties, Chelan and Okanogan. This will include, but not limited to burn scar locations: Pioneer and 25 Mile burn scars in Chelan County, and Cedar Creek, Cub Creek, Muckamuck, Walker Creek, and Eagle Bluff burn scars in Okanogan County. * WHEN...From Thursday morning through Thursday evening. * IMPACTS...Heavy rainfall may result in flash flooding or debris flows in steep terrain, particularly near burn scar locations. Rain rates of up to an inch per hour will be possible with thunderstorms. * ADDITIONAL DETAILS... - Those within canyons or near burn scars should monitor for updated information from local authorities. - http://www.weather.gov/safety/flood
NWS

Flash Flood Watch issued August 27 at 1:48PM PDT until August 27 at 11:00PM PDT by NWS Boise ID

3 weeks ago
* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of Idaho, including the following areas, Boise Mountains, Camas Prairie, Lower Treasure Valley, Owyhee Mountains, Southern Twin Falls County, Southwest Highlands, Upper Treasure Valley, Upper Weiser River, West Central Mountains and Western Magic Valley and southeast Oregon, including the following area, Oregon Lower Treasure Valley. * WHEN...Until midnight MDT /11 PM PDT/ tonight. * IMPACTS...Heavy rainfall could trigger flash flooding or debris flows in and near recent wildfire burn scars. * ADDITIONAL DETAILS... - https://www.weather.gov/safety/flood
NWS

Red Flag Warning issued August 27 at 1:46PM PDT until August 27 at 9:00PM PDT by NWS Portland OR

3 weeks ago
...RED FLAG WARNING IN EFFECT THROUGH THIS EVENING FOR OUTFLOW WINDS AND HIGH INSTABILITY... * AFFECTED AREA...In Oregon, Fire Weather Zone 688 Mt. Hood National Forest Region. In Washington, Fire Weather Zone 634 Southern Gifford Pinchot National Forest and Fire Weather Zone 635 Mt. Adams Ranger District of the Gifford-Pinchot National Forest. * THUNDERSTORMS...Isolated to scattered thunderstorms. 20-30% chance of thunderstorms through this evening. 10-15% chance for wetting rains with passing thunderstorms. * UNSTABLE...High instability with elevated mixing heights may promote pyroconvective activity. * OUTFLOW WINDS...Instantaneous gusts as high as 40 mph. Gusts at these speeds can be observed tens of miles away from the core of the thunderstorm. * IMPACTS...Conditions may be favorable for rapid fire spread which may threaten life and property. Thunderstorm outflow winds may result in unanticipated erratic fire spread. High instability may result in fire growth. Frequent lightning and critically dry fuels may result in fire starts.
NWS

Red Flag Warning issued August 27 at 1:46PM PDT until August 27 at 9:00PM PDT by NWS Portland OR

3 weeks ago
...RED FLAG WARNING IN EFFECT THROUGH THIS EVENING FOR OUTFLOW WINDS AND HIGH INSTABILITY... * AFFECTED AREA...In Oregon, Fire Weather Zone 689 Northern Willamette National Forest and Fire Weather Zone 690 Southern Willamette National Forest. * THUNDERSTORMS...Isolated to scattered thunderstorms. 15-25% chance of thunderstorms through this evening. 5% chance for wetting rains with passing thunderstorms. * UNSTABLE...High instability with elevated mixing heights may promote pyroconvective activity. * OUTFLOW WINDS...Instantaneous gusts as high as 40 mph. Gusts at these speeds can be observed tens of miles away from the core of the thunderstorm. * IMPACTS...Conditions may be favorable for rapid fire spread which may threaten life and property. Thunderstorm outflow winds may result in unanticipated erratic fire spread. High instability may result in fire growth. Frequent lightning and critically dry fuels may result in fire starts.
NWS

Red Flag Warning issued August 27 at 1:46PM PDT until August 27 at 9:00PM PDT by NWS Portland OR

3 weeks ago
...RED FLAG WARNING IN EFFECT THROUGH THIS EVENING FOR OUTFLOW WINDS AND HIGH INSTABILITY... * AFFECTED AREA...In Oregon, Fire Weather Zone 688 Mt. Hood National Forest Region. In Washington, Fire Weather Zone 634 Southern Gifford Pinchot National Forest and Fire Weather Zone 635 Mt. Adams Ranger District of the Gifford-Pinchot National Forest. * THUNDERSTORMS...Isolated to scattered thunderstorms. 20-30% chance of thunderstorms through this evening. 10-15% chance for wetting rains with passing thunderstorms. * UNSTABLE...High instability with elevated mixing heights may promote pyroconvective activity. * OUTFLOW WINDS...Instantaneous gusts as high as 40 mph. Gusts at these speeds can be observed tens of miles away from the core of the thunderstorm. * IMPACTS...Conditions may be favorable for rapid fire spread which may threaten life and property. Thunderstorm outflow winds may result in unanticipated erratic fire spread. High instability may result in fire growth. Frequent lightning and critically dry fuels may result in fire starts.
NWS

Red Flag Warning issued August 27 at 1:37PM PDT until August 28 at 9:00PM PDT by NWS Seattle WA

3 weeks ago
* AFFECTED AREA...Fire Weather Zone 658 West Slopes of the North Cascades Generally above 1500 Feet, Fire Weather Zone 659 West Slopes of the Central Cascades Generally above 1500 Feet and Fire Weather Zone 661 East Portion of the Olympic Mountains. * THUNDERSTORMS...Thunderstorms are favored along the eastern slopes of the Olympic mountains and more so in the Cascades from this afternoon and evening and again Thursday into Thursday night. Some brief heavy rain or isolated wetting rains are possible, but lightning strikes on very dry fuel are capable of new fire starts. * OUTFLOW WINDS...Outflow winds of 25 to 30 mph are possible. Outflow winds can occur ahead of and behind storms and cause erratic wind directions. * IMPACTS...Scattered lightning in dry fuels can cause multiple fire starts. Thunderstorms can also bring sudden sharp wind shifts on existing fires, causing rapid changes in a fire's rate of spread and direction of spread. Thunderstorm outflow winds can be a threat for several hours following the start of a new lightning-caused fire. If a fire were to begin, air quality may diminish in the surrounding area. With lightning occurrences having started Tuesday and thunderstorms expect for two more days, multiple days in a row of lightning strikes on our dry fuels could result in a critical number of new wildfires. * THUNDERSTORMS...Multiple lightning strikes occurred in the higher terrain of the Cascades mountains yesterday afternoon and evening and that will resume this afternoon and evening. Multiple days in a row of lightning strikes on our dry fuels could result in a critical number of new wildfires.
NWS

Red Flag Warning issued August 27 at 1:12PM PDT until August 27 at 9:00PM PDT by NWS Medford OR

3 weeks ago
* IMPACTS...Abundant lightning on dry fuels resulting in the potential for numerous new fire starts. * AFFECTED AREA...In California, Fire weather zones 281, 284, and 285, and in Oregon, Fire weather zones 617, 623, 624, and 625. * THUNDERSTORMS...Scattered thunderstorms with abundant lightning expected. Storms are likely to be wet, but lightning strikes outside of precipitation cores are possible, and may cause many new fire starts. * OUTFLOW WINDS...Gusts of 35 to 50 mph could travel outward up to 25 miles from thunderstorm cores. * DETAILED URL...View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr
NWS

Red Flag Warning issued August 27 at 9:21AM PDT until August 27 at 8:00PM PDT by NWS Seattle WA

3 weeks 1 day ago
* AFFECTED AREA...Fire Weather Zone 658 West Slopes of the North Cascades Generally above 1500 Feet, Fire Weather Zone 659 West Slopes of the Central Cascades Generally above 1500 Feet and Fire Weather Zone 661 East Portion of the Olympic Mountains. * THUNDERSTORMS...Thunderstorms are favored along the eastern slopes of the Olympic mountains between 11 AM and 3 PM, and more so in the Cascades from 3 PM to 8 PM. Wetting rains are possible, but lightning strikes on very dry fuel are capable of new fire starts. * OUTFLOW WINDS...Outflow winds of 25 to 30 mph are possible. Outflow winds can occur ahead of and behind storms and cause erratic wind directions. * IMPACTS...Scattered lightning in dry fuels can cause multiple fire starts. Thunderstorms can also bring sudden sharp wind shifts on existing fires, causing rapid changes in a fire's rate of spread and direction of spread. Thunderstorm outflow winds can be a threat for several hours following the start of a new lightning-caused fire. If a fire were to begin, air quality may diminish in the surrounding area. * THUNDERSTORMS...Multiple lightning strikes occurred in the higher terrain of the Cascades mountains yesterday afternoon and evening and that will resume this afternoon and evening. Multiple days in a row of lightning strikes on our dry fuels could result in a critical number of new wildfires.
NWS

Red Flag Warning issued August 27 at 9:16AM PDT until August 27 at 9:00PM PDT by NWS Portland OR

3 weeks 1 day ago
...RED FLAG WARNING IN EFFECT THROUGH THIS EVENING FOR DRY AND UNSTABLE CONDITIONS, AND THUNDERSTORMS... .Low pressure in the area is increasing instability and producing thunderstorms within the area. Instability will be highest within the Lane and Linn County Cascades. High probability for pyrocumulus development. Outflow winds from thunderstorms may cause rapid fire spread. * AFFECTED AREA...In Oregon, Fire Weather Zone 688 Mt. Hood National Forest Region. In Washington, Fire Weather Zone 634 Southern Gifford Pinchot National Forest and Fire Weather Zone 635 Mt. Adams Ranger District of the Gifford-Pinchot National Forest. * THUNDERSTORMS...Isolated to scattered thunderstorms. 20-30% chance of thunderstorms today. 10-15% chance for wetting rains with passing thunderstorms. * UNSTABLE...High instability with elevated mixing heights may promote pyroconvective activity. * OUTFLOW WINDS...Instantaneous gusts as high as 40 mph. Gusts at these speeds can be observed tens of miles away from the core of the thunderstorm. * IMPACTS...Conditions may be favorable for rapid fire spread which may threaten life and property. Thunderstorm outflow winds may result in unanticipated erratic fire spread. High instability may result in fire growth. Frequent lightning and critically dry fuels may result in fire starts.
NWS

Red Flag Warning issued August 27 at 9:16AM PDT until August 27 at 9:00PM PDT by NWS Portland OR

3 weeks 1 day ago
...RED FLAG WARNING IN EFFECT THROUGH THIS EVENING FOR DRY AND UNSTABLE CONDITIONS, AND THUNDERSTORMS... .Low pressure in the area is increasing instability and producing thunderstorms within the area. Instability will be highest within the Lane and Linn County Cascades. High probability for pyrocumulus development. Outflow winds from thunderstorms may cause rapid fire spread. * AFFECTED AREA...In Oregon, Fire Weather Zone 689 Northern Willamette National Forest and Fire Weather Zone 690 Southern Willamette National Forest. * THUNDERSTORMS...Isolated to scattered thunderstorms. 20-30% chance of thunderstorms today. 5-10% chance for wetting rains with passing thunderstorms. * UNSTABLE...High instability with elevated mixing heights may promote pyroconvective activity. * OUTFLOW WINDS...Instantaneous gusts as high as 40 mph. Gusts at these speeds can be observed tens of miles away from the core of the thunderstorm. * IMPACTS...Conditions may be favorable for rapid fire spread which may threaten life and property. Thunderstorm outflow winds may result in unanticipated erratic fire spread. High instability may result in fire growth. Frequent lightning and critically dry fuels may result in fire starts.
NWS

Red Flag Warning issued August 27 at 9:16AM PDT until August 27 at 9:00PM PDT by NWS Portland OR

3 weeks 1 day ago
...RED FLAG WARNING IN EFFECT THROUGH THIS EVENING FOR DRY AND UNSTABLE CONDITIONS, AND THUNDERSTORMS... .Low pressure in the area is increasing instability and producing thunderstorms within the area. Instability will be highest within the Lane and Linn County Cascades. High probability for pyrocumulus development. Outflow winds from thunderstorms may cause rapid fire spread. * AFFECTED AREA...In Oregon, Fire Weather Zone 688 Mt. Hood National Forest Region. In Washington, Fire Weather Zone 634 Southern Gifford Pinchot National Forest and Fire Weather Zone 635 Mt. Adams Ranger District of the Gifford-Pinchot National Forest. * THUNDERSTORMS...Isolated to scattered thunderstorms. 20-30% chance of thunderstorms today. 10-15% chance for wetting rains with passing thunderstorms. * UNSTABLE...High instability with elevated mixing heights may promote pyroconvective activity. * OUTFLOW WINDS...Instantaneous gusts as high as 40 mph. Gusts at these speeds can be observed tens of miles away from the core of the thunderstorm. * IMPACTS...Conditions may be favorable for rapid fire spread which may threaten life and property. Thunderstorm outflow winds may result in unanticipated erratic fire spread. High instability may result in fire growth. Frequent lightning and critically dry fuels may result in fire starts.
NWS

Flash Flood Watch issued August 27 at 4:50AM PDT until August 27 at 11:00PM PDT by NWS Boise ID

3 weeks 1 day ago
* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of Idaho, including the following areas, Boise Mountains, Camas Prairie, Lower Treasure Valley, Owyhee Mountains, Southern Twin Falls County, Southwest Highlands, Upper Treasure Valley, Upper Weiser River, West Central Mountains and Western Magic Valley and Oregon, including the following areas, Baker County, Malheur County and Oregon Lower Treasure Valley. * WHEN...Through this evening. * IMPACTS...Heavy rainfall could trigger flash flooding or debris flows in and near recent wildfire burn scars. * ADDITIONAL DETAILS... - https://www.weather.gov/safety/flood
NWS

Red Flag Warning issued August 27 at 1:51AM PDT until August 27 at 9:00PM PDT by NWS Portland OR

3 weeks 1 day ago
...RED FLAG WARNING IN EFFECT THROUGH THIS EVENING FOR DRY AND UNSTABLE CONDITIONS, AND THUNDERSTORMS... .Low pressure in the area is increasing instability and producing thunderstorms within the area. Instability will be highest within the Lane and Linn County Cascades. High probability for pyrocumulus development. Within thunderstorms, outflow winds may cause rapid fire spread. The National Weather Service in Portland has issued a Red Flag Warning for thunderstorms, which is in effect from 9 AM this morning to 9 PM PDT this evening. * AFFECTED AREA...In Oregon, Fire Weather Zone 688 Mt. Hood National Forest Region. In Washington, Fire Weather Zone 634 Southern Gifford Pinchot National Forest and Fire Weather Zone 635 Mt. Adams Ranger District of the Gifford-Pinchot National Forest. * THUNDERSTORMS...Isolated to scattered thunderstorms. 25-30% chance of thunderstorms between 9 AM and 1 PM. * DRY AND UNSTABLE...Unstable conditions with elevated mixing heights may promote pyroconvective activity. * OUTFLOW WINDS...Outflow wind gusts up to 35 mph. * IMPACTS...Conditions may be favorable for rapid fire spread which may threaten life and property. Thunderstorm outflow winds may result in unanticipated erratic fire spread. High instability may result in fire growth. Frequent lightning and critically dry fuels may result in fire starts. * IMPACTS...Thunderstorm outflow winds may result in erratic fire spread. Frequent lightning and critically dry fuels may result in numerous fire starts.
NWS

Red Flag Warning issued August 27 at 1:51AM PDT until August 27 at 9:00PM PDT by NWS Portland OR

3 weeks 1 day ago
...RED FLAG WARNING IN EFFECT THROUGH THIS EVENING FOR DRY AND UNSTABLE CONDITIONS, AND THUNDERSTORMS... .Low pressure in the area is increasing instability and producing thunderstorms within the area. Instability will be highest within the Lane and Linn County Cascades. High probability for pyrocumulus development. Within thunderstorms, outflow winds may cause rapid fire spread. * AFFECTED AREA...In Oregon, Fire Weather Zone 689 Northern Willamette National Forest and Fire Weather Zone 690 Southern Willamette National Forest. * THUNDERSTORMS...Isolated to scattered thunderstorms. 15-25% chance of thunderstorms after 1 PM. * DRY AND UNSTABLE...Very unstable conditions with elevated mixing heights may promote pyroconvective activity. * OUTFLOW WINDS...Outflow wind gusts up to 35 mph. * IMPACTS...Conditions may be favorable for rapid fire spread which may threaten life and property. Thunderstorm outflow winds may result in unanticipated erratic fire spread. High instability may result in fire growth. Frequent lightning and critically dry fuels may result in fire starts.
NWS

Red Flag Warning issued August 27 at 1:51AM PDT until August 27 at 9:00PM PDT by NWS Portland OR

3 weeks 1 day ago
...RED FLAG WARNING IN EFFECT THROUGH THIS EVENING FOR DRY AND UNSTABLE CONDITIONS, AND THUNDERSTORMS... .Low pressure in the area is increasing instability and producing thunderstorms within the area. Instability will be highest within the Lane and Linn County Cascades. High probability for pyrocumulus development. Within thunderstorms, outflow winds may cause rapid fire spread. The National Weather Service in Portland has issued a Red Flag Warning for thunderstorms, which is in effect from 9 AM this morning to 9 PM PDT this evening. * AFFECTED AREA...In Oregon, Fire Weather Zone 688 Mt. Hood National Forest Region. In Washington, Fire Weather Zone 634 Southern Gifford Pinchot National Forest and Fire Weather Zone 635 Mt. Adams Ranger District of the Gifford-Pinchot National Forest. * THUNDERSTORMS...Isolated to scattered thunderstorms. 25-30% chance of thunderstorms between 9 AM and 1 PM. * DRY AND UNSTABLE...Unstable conditions with elevated mixing heights may promote pyroconvective activity. * OUTFLOW WINDS...Outflow wind gusts up to 35 mph. * IMPACTS...Conditions may be favorable for rapid fire spread which may threaten life and property. Thunderstorm outflow winds may result in unanticipated erratic fire spread. High instability may result in fire growth. Frequent lightning and critically dry fuels may result in fire starts. * IMPACTS...Thunderstorm outflow winds may result in erratic fire spread. Frequent lightning and critically dry fuels may result in numerous fire starts.
NWS

Red Flag Warning issued August 27 at 1:09AM PDT until August 27 at 8:00PM PDT by NWS Seattle WA

3 weeks 1 day ago
The National Weather Service in Seattle has issued a Red Flag Warning for dry thunderstorms and gusty outflow winds, which is in effect from 11 AM this morning to 8 PM PDT this evening. * AFFECTED AREA...Fire Weather Zone 658 West Slopes of the North Cascades Generally above 1500 Feet, Fire Weather Zone 659 West Slopes of the Central Cascades Generally above 1500 Feet and Fire Weather Zone 661 East Portion of the Olympic Mountains. * THUNDERSTORMS...Thunderstorms are favored along the eastern slopes of the Olympic mountains between 11 AM and 3 PM, and more so in the Cascades from 3 PM to 8 PM. Wetting rains are possible, but lightning strikes on very dry fuel are capable of new fire starts. * OUTFLOW WINDS...Outflow winds of 25 to 30 mph are possible. Outflow winds can occur ahead of and behind storms and cause erratic wind directions. * IMPACTS...Scattered lightning in dry fuels can cause multiple fire starts. Thunderstorms can also bring sudden sharp wind shifts on existing fires, causing rapid changes in a fire's rate of spread and direction of spread. Thunderstorm outflow winds can be a threat for several hours following the start of a new lightning-caused fire. If a fire were to begin, air quality may diminish in the surrounding area.
NWS

Red Flag Warning issued August 26 at 9:25PM PDT until August 27 at 9:00PM PDT by NWS Portland OR

3 weeks 1 day ago
The National Weather Service in Portland has issued a Red Flag Warning for thunderstorms and unstable conditions, which is in effect from 9 AM to 9 PM PDT Wednesday. * AFFECTED AREA...In Oregon, Fire Weather Zone 689 Northern Willamette National Forest and Fire Weather Zone 690 Southern Willamette National Forest. * THUNDERSTORMS...Isolated to scattered thunderstorms. * DRY AND UNSTABLE...Unstable conditions with elevated mixing heights may promote pyroconvective activity. * OUTFLOW WINDS...Instantaneous gusts as high as 40 mph. Gusts at these speeds can be observed tens of miles away from the core of the thunderstorm. * IMPACTS...Conditions may be favorable for rapid fire spread which may threaten life and property. Thunderstorm outflow winds may result in unanticipated erratic fire spread. High instability may result in fire growth. Frequent lightning and critically dry fuels may result in fire starts.
NWS