NWS Storm Prediction Center - Day 2 Fire Weather Outlook
Updated: Mon Sep 28 19:19:03 UTC 2020
Sep 28, 2020 Day 2 Fire Weather Outlook
Day 2 Fire
 Pop.  Cities  CWAs  RFCs  Interstates  Counties  ARTCC  FEMA Regions  Day 2 Surface Analysis 

Risk Area (sq. mi.) Area Pop. Some Larger Population Centers in Risk Area
No Risk Areas Forecast
   FNUS22 KWNS 281918

   Day 2 Fire Weather Outlook  
   NWS Storm Prediction Center Norman OK
   0218 PM CDT Mon Sep 28 2020

   Valid 291200Z - 301200Z

   ...Central and northern High plains...
   Models have come into better agreement on the character of the dry
   post frontal airmass overspreading the region Day2/Tuesday. Despite
   cooler temperatures, soundings show a relatively dry airmass with
   deep mixing heights intersecting stronger winds aloft. This should
   result in humidity of 17-25% and sustained winds of 15-25 mph. The
   combination of gusty winds, low humidity, and receptive fuels will
   support widespread elevated and locally critical fire weather
   conditions over much of the area.

   ...Southern California...
   Lingering offshore flow from the ongoing Santa Ana event will
   support elevated to locally critical fire weather conditions over
   the Transverse, Peninsular, and the southern Sierra ranges through
   midday Tuesday. An elevated area will be maintained over portions of
   southern California as gradients begin to wane as the upper-level
   ridge shifts over the West Coast.

   ..Lyons.. 09/28/2020

   .PREV DISCUSSION... /ISSUED 0159 AM CDT Mon Sep 28 2020/

   Some offshore gradient is expected to persist Tuesday morning with
   elevated winds and relative humidity continuing in the southern
   California mountains. These winds should weaken by mid-day as the
   Great Basin warms and the pressure gradient relaxes. Elsewhere,
   winds will remain light as a strong upper-level ridge builds over
   the western CONUS. Elevated/near-elevated winds may return Tuesday
   night/Wednesday morning as high pressure strengthens slightly in the
   Great Basin.

   ...Please see www.spc.noaa.gov/fire for graphic product...


   Source:  NWS Fire Weather Outlook
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