NWS Storm Prediction Center - Day 1-2 Fire Weather Outlook
Updated: Wed Aug 5 06:06:02 UTC 2020
Aug 5, 2020 Day 1 Fire Weather Outlook
Day 1 Fire
 Pop.  Cities  CWAs  RFCs  Interstates  Counties  ARTCC  FEMA Regions  Day 1 Surface Analysis 

Risk Area (sq. mi.) Area Pop. Some Larger Population Centers in Risk Area
No Risk Areas Forecast
   FNUS21 KWNS 050605

   Day 1 Fire Weather Outlook  
   NWS Storm Prediction Center Norman OK
   0105 AM CDT Wed Aug 05 2020

   Valid 051200Z - 061200Z

   A weak upper-level shortwave will phase with a more substantial
   upper-level trough moving into the Pacific Northwest today. At the
   surface, a trough will develop in the Great Basin. A cold front will
   move into the Washington and Oregon by the end of the period.

   ...Great Basin...
   Dry and windy conditions will develop during the afternoon across
   much of the central and southern Great Basin. While mid-level winds
   will increase with the approach of the western trough, overall
   speeds will still remain modest. Widespread elevated conditions are
   expected as 15-20 mph winds coincide with 10-20% RH. A few areas of
   locally critical appear possible, but it appears most of these
   conditions would occur over desert terrain.

   ...Northern California and Pacific Northwest...
   Isolated to scattered thunderstorms are likely with the greatest
   coverage expected to occur within central Oregon. Wetting rain will
   be possible in some locations given the forecast PWAT and storm
   coverage. Even so, lighting occurring over dry fuels will bring a
   concern for fire starts. There is some possibility that this
   lighting activity moves northward into eastern Washington during the
   evening and overnight. Profiles from forecast soundings are
   marginally supportive of lightning across that area, but lift from
   the approaching trough may be enough to promote a handful strikes.
   Confidence is too low for highlights, however.

   ...Permian Basin...
   With a lee trough developing in the nearby High Plains, locally
   elevated conditions are possible within parts of the Permian Basin.
   RH will likely fall to 15-20% with winds near 15 mph. Conditions are
   not expected to be widespread and may only occur for brief periods.

   ..Wendt.. 08/05/2020

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


   Source:  NWS Fire Weather Outlook
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