Storm Prediction Center Fire Weather Outlook - thorntonweather.com

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Updated: Wed, 28-Oct-2020 7:45am MDT

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Day 1 fire weather outlook and map Day 2 fire weather outlook and map
Day 1 Fire Weather Outlook NWS Storm Prediction Center Norman OK 1134 PM CDT Tue Oct 27 2020 Valid 281200Z - 291200Z ...Synopsis... Weaker surface winds (compared to prior days) are expected across most dry areas of the Southwest as the anticyclone initially over the Great Basin and central Rockies weakens and moves slowly eastward. The region will remain very dry however, with dry fuels continuing to support ongoing fires - especially in northern California where ERCs remain very high. Enough low-level flow will persist in southern California and parts of Nevada/Utah for elevated fire-weather in those areas. Meanwhile, cool/unsettled conditions along and east of the Rockies will preclude fire-weather highlights elsewhere in the CONUS. ...Southern California... A lingering, yet weakening pressure gradient will foster a few areas of 15-25 mph surface winds in terrain-favored areas throughout the forecast period. These winds will occur within a continued, dry airmass with minimum RH values around the 10-15% range - locally lower. Again, fuels remain dry in the region and support fire spread. An elevated delineation remains in place to address this threat. ...Eastern Nevada and southwestern Utah... High-resolution guidance indicates areas of northerly flow approaching 20 mph during peak heating hours. Surface temperatures will be somewhat warmer compared to prior days (reaching the low to mid 60s F), which should combine with the preexisting dry airmass to promote 10-15% RH values. Fuels guidance also favors fire spread in this area where fuel beds exist. ..Cook.. 10/28/2020 ...Please see www.spc.noaa.gov/fire for graphic product... Day 2 Fire Weather Outlook
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