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Oct 13, 2008 1300 UTC Day 1 Convective Outlook
Updated: Mon Oct 13 12:44:05 UTC 2008  (Print Version)
Probabilistic to Categorical Outlook Conversion Table (Effective Feb 14, 2006).
  | | |  
SPC Day1 1300Z Outlook Categorical SPC Day1 1300Z Outlook Categorical Legend
 Forecast Discussion
   SPC AC 131239
   
   DAY 1 CONVECTIVE OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0739 AM CDT MON OCT 13 2008
   
   VALID 131300Z - 141200Z
   
   ...NO SVR TSTM AREAS FORECAST...
   
   ...WEST TX/OK...
   MORNING SATELLITE IMAGERY SHOWS THAT THE LARGE POSITIVELY-TILTED
   UPPER TROUGH OVER THE WESTERN STATES HAS REMAINED NEARLY STATIONARY
   OVERNIGHT...WHILE THE ASSOCIATED SURFACE COLD FRONT HAS SURGED
   SOUTHWARD DOWN THE CENTRAL/SOUTHERN HIGH PLAINS.  AS OF 12Z...THE
   FRONT EXTENDS FROM THE TX PANHANDLE INTO NORTHWEST OK...THEN
   NORTHEASTWARD INTO CENTRAL KS AND FAR EASTERN NEB.  SOUTHERLY LOW
   LEVEL WINDS TO THE EAST OF THE FRONT ARE MAINTAINING A MOIST
   BOUNDARY LAYER WITH DEWPOINTS IN THE 60S.  HOWEVER...WARM
   TEMPERATURES ALOFT AND WEAK LAPSE RATES HAVE...AND WILL CONTINUE TO
   SUPPRESS VIGOROUS CONVECTIVE UPDRAFTS.  SCATTERED THUNDERSTORMS ARE
   LIKELY TO RE-DEVELOP THIS AFTERNOON ATOP THE COLD SURFACE AIRMASS
   OVER PARTS OF WEST TX/OK.  HOWEVER...NO SEVERE STORMS ARE
   ANTICIPATED AT THIS TIME.
   
   ...ELSEWHERE...
   OTHER THUNDERSTORMS ARE POSSIBLE TODAY IN PLUME OF RICH LOW LEVEL
   MOISTURE ACROSS PARTS OF SOUTH TX AND COASTAL LA...AS WELL AS IN
   DEEP EASTERLY FLOW REGIME OVER THE FL PENINSULA.  SEVERE STORMS ARE
   NOT EXPECTED IN THESE AREAS EITHER.
   
   ..HART/GRAMS.. 10/13/2008
   
   CLICK TO GET WUUS01 PTSDY1 PRODUCT

   NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 1630Z

        
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Page last modified: October 13, 2008
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