Storm Prediction Center Day 1 Fire Weather Outlook

Created: Sun Apr 30 08:00:04 UTC 2017 (20170430 1200Z Day 1 FireWX shapefile | 20170430 1200Z Day 1 FireWX KML)

Day 1 Fire Weather Forecast graphic
Risk Area (sq. mi.) Area Pop. Some Larger Population Centers in Risk Area
No Risk Areas Forecast

Click for Day 1 FireWX Areal Outline Product

   FNUS21 KWNS 300755

   Day 1 Fire Weather Outlook  
   NWS Storm Prediction Center Norman OK
   0255 AM CDT Sun Apr 30 2017

   Valid 301200Z - 011200Z

   An upper low centered over the TX/OK Panhandles early this morning
   will move northeastward across the central/southern Plains today,
   reaching the upper MS Valley and Upper Midwest by the end of the
   period. A cyclonically curved belt of enhanced mid-level winds will
   remain across parts of the Southwest into the southern Plains
   through this evening, before gradually weakening through early
   Monday morning across this region. At the surface, a low over KS/OK
   will develop northeastward in a similar fashion to the upper low
   through the period. A dry, post-frontal airmass will reside across
   the Southwest and southern Plains.

   ...Portions of Southeastern AZ into Southern NM and South TX...
   Elevated fire weather conditions are anticipated today from portions
   of southeastern AZ into southern NM and continuing into south TX.
   Across this region, sustained northwesterly post-frontal winds
   should increase into the 15-20 mph range as diurnal mixing of the
   boundary layer allows for efficient downward transfer of enhanced
   mid-level winds to the surface. Although temperatures will generally
   not be overly warm given the post-frontal airmass, diurnal heating
   and some downslope warming/drying with low-level trajectories off
   higher terrain in Mexico and NM should allow RH values to fall into
   the 7-15% range for a few hours this afternoon from southeastern AZ
   into southern NM and far west TX (roughly the Big Bend region). From
   the middle Rio Grande Valley southeastward into deep south TX, RH
   values should generally fall into the 15-25% range this afternoon.
   Sustained winds above 20 mph are expected on just a localized basis
   across parts of far west TX, which precludes the introduction of a
   critical area.

   ..Gleason.. 04/30/2017

   ...Please see for graphic product...


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