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    Day 2 Outlook >
Feb 28, 2015 0600 UTC Day 1 Convective Outlook
Click to see valid 1Z - 12Z Day 1 Convective Outlook
Updated: Sat Feb 28 04:54:34 UTC 2015 (Print Version | 20150228 1200Z Day 1 shapefile | 20150228 1200Z Day 1 KML)
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 Forecast Discussion
   SPC AC 280454

   DAY 1 CONVECTIVE OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   1054 PM CST FRI FEB 27 2015

   VALID 281200Z - 011200Z

   ...NO SVR TSTM AREAS FORECAST...

   ...SUMMARY...
   SCATTERED WEAK THUNDERSTORMS ARE POSSIBLE SATURDAY ACROSS PARTS OF
   THE WEST...MAINLY FROM CENTRAL CALIFORNIA INTO THE GREAT BASIN AND
   FOUR CORNERS STATES.

   ...SYNOPSIS...
   A BROAD AREA OF SWLY FLOW ALOFT WILL EXTEND FROM SRN CA NEWD ACROSS
   THE CONUS WITH TWO PRIMARY SHORTWAVE TROUGHS. ONE WILL BE LOCATED
   OVER THE NRN PLAINS AND GREAT LAKES WITH LITTLE RELEVANCE TO
   THUNDERSTORM FORMATION. THE MORE NOTABLE TROUGH WILL PIVOT SSEWD
   ACROSS CA AND THE ERN PACIFIC...WITH GENERALLY COLD TEMPERATURES
   ALOFT EXTENDING EWD ACROSS THE GREAT BASIN. HERE...DAYTIME HEATING
   AS WELL AS TERRAIN EFFECTS WILL RESULT IN ISOLATED WEAK
   THUNDERSTORMS MAINLY DURING THE DAY. 

   ELSEWHERE...ELY FLOW OFF THE ATLANTIC AROUND A LARGE SURFACE HIGH
   WILL RESULT IN INCREASING LOW-LEVEL DEWPOINTS ACROSS FL WITH WEAK
   INSTABILITY DEVELOPING. ALTHOUGH LAPSE RATES ALOFT WILL BE POOR AND
   WITH DRY AIR...FULL HEATING MAY ALLOW A FEW OF THESE SHOWERS TO
   BECOME DEEP ENOUGH TO PRODUCE SOME LIGHTNING ESPECIALLY ACROSS THE
   SERN FL.

   ..JEWELL/PICCA.. 02/28/2015

   CLICK TO GET WUUS01 PTSDY1 PRODUCT

   NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 1300Z

        
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Page last modified: February 28, 2015
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