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    Day 2 FW Outlook >
Apr 23, 2014 Day 1 Fire Weather Outlook
Updated: Wed Apr 23 16:43:03 UTC 2014 (Print Version | 20140423 1700Z Day 1 FireWX shapefile | 20140423 1700Z Day 1 FireWX KML)
Day 1 Fire
 Population  Cities/Towns  CWAs  Interstates  Counties  FEMA Regions  Day 1 Surface Analysis

Risk Area (sq. mi.) Area Pop. Some Larger Population Centers in Risk Area
Critical 185,578 3,351,834 El Paso, TX...Albuquerque, NM...Amarillo, TX...Roswell, NM...Farmington, NM...
   ZCZC SPCFWDDY1 ALL
   FNUS21 KWNS 231642

   DAY 1 FIRE WEATHER OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   1142 AM CDT WED APR 23 2014

   VALID 231700Z - 241200Z

   ...CRITICAL FIRE WEATHER AREA FOR ERN AZ...MUCH OF NM...SRN/CNTRL
   HIGH PLAINS...

   NO CHANGE IS NEEDED TO THE PREVIOUS FORECAST.

   ..SMITH.. 04/23/2014

   .PREV DISCUSSION... /ISSUED 0332 AM CDT WED APR 23 2014/

   ...SYNOPSIS...
   AN UPPER TROUGH WILL SHIFT OFFSHORE THE ATLANTIC COAST EARLY IN THE
   PERIOD...BUT A TRAILING BELT OF ENHANCED MIDLEVEL FLOW WILL EXTEND
   FROM THE UPPER GREAT LAKES INTO THE MID-ATLANTIC. FARTHER W...A
   PROGRESSIVE SHORTWAVE UPPER TROUGH WILL SHIFT FROM THE
   INTER-MOUNTAIN WEST/ROCKIES INTO THE GREAT PLAINS. AT THE SFC...A
   LEE LOW WILL DEEPEN NEAR THE CO/KS BORDER...WITH AN ATTENDANT LEE
   TROUGH AND DRYLINE EXTENDING SWD ACROSS THE HIGH PLAINS OF W TX. A
   COLD FRONT WILL PROGRESS SWD LATE AFTERNOON AND EVENING ACROSS
   SRN/CNTRL HIGH PLAINS.

   ...ERN AZ...MUCH OF NM...SRN/CNTRL HIGH PLAINS...
   LOW-MIDLEVEL FLOW WILL STRENGTHEN THROUGHOUT THE MORNING SURROUNDING
   THE BASE OF AN APPROACHING UPPER TROUGH. THE COMBINATION OF DEEP
   BOUNDARY-LAYER MIXING /ENHANCED VIA DOWNSLOPE EFFECTS OVER THE HIGH
   PLAINS/ AND A TIGHTENING SFC PRESSURE GRADIENT WILL SUPPORT
   SUSTAINED WIND SPEEDS OF 20-30 MPH /HIGHER GUSTS/. RH VALUES AS LOW
   AS THE SINGLE DIGITS ARE LIKELY OVER ERN NM...WHILE GENERALLY
   RANGING FROM 10-15 PERCENT ELSEWHERE. THE CRITICAL FIRE WEATHER
   THREAT WILL BE DELINEATED TO THE E BY A DRYLINE/LEE SFC TROUGH
   BECOMING ESTABLISHED OVER THE ERN TX/OK PANHANDLES. MEANWHILE...A
   COLD FRONT WILL ENTER NERN CO BY EARLY EVENING...AND RESULT IN AN
   ABRUPT WIND SHIFT OUT OF THE N.

   ...HIGH PLAINS OF SERN WY...WRN NEB...NERN CO...NWRN KS...
   STRONG POST-FRONTAL WLY-NWLY WINDS /25-35 MPH/ WILL OVERSPREAD ERN
   WY AND WRN NEB...AND EVENTUALLY NERN CO/NWRN KS BY LATE AFTERNOON.
   DESPITE COOLER TEMPERATURES...SUBSTANTIAL BOUNDARY-LAYER MIXING
   ENHANCED BY DOWNSLOPE EFFECTS WILL YIELD RH VALUES IN THE TEENS AS
   TEMPERATURES REACH THE 60S-70S F. THESE CONDITIONS WILL SUPPORT AN
   ELEVATED FIRE WEATHER THREAT.

   ...VA...NRN NC...
   A BELT OF NWLY DEEP-LAYER FLOW WILL TRANSPORT A VERY DRY AIR MASS
   INTO THE MID-ATLANTIC...CHARACTERIZED BY PW VALUES AOB 0.4 INCH.
   MUCH OF VA/NRN NC WILL BE POSITIONED ALONG THE SRN PERIPHERY OF
   STRONG LOW-LEVEL WINDS SURROUNDING LOW PRESSURE CENTERED NEAR
   COASTAL MAINE. TEMPERATURES WILL WARM INTO THE 60S/70S F WITHIN A
   DOWNSLOPE REGIME E OF THE APPALACHIANS...YIELDING RH VALUES RANGING
   FROM THE MID-20S TO LOW-30S.

   ...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...

   CLICK FOR DAY 1 FIREWX AREAL OUTLINE PRODUCT (KWNSPFWFD1)
      
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Page last modified: April 23, 2014
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