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    Day 2 Outlook >
Mar 1, 2015 0600 UTC Day 1 Convective Outlook
Click to see valid 1Z - 12Z Day 1 Convective Outlook
Updated: Sun Mar 1 05:43:27 UTC 2015 (Print Version | 20150301 1200Z Day 1 shapefile | 20150301 1200Z Day 1 KML)
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 Forecast Discussion
   SPC AC 010543

   DAY 1 CONVECTIVE OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   1143 PM CST SAT FEB 28 2015

   VALID 011200Z - 021200Z

   ...NO SVR TSTM AREAS FORECAST...

   ...SUMMARY...
   ISOLATED TO WIDELY SCATTERED THUNDERSTORMS WILL BE POSSIBLE ACROSS
   PARTS OF CENTRAL AND SOUTHERN CALIFORNIA SUNDAY...AND FROM PARTS OF
   EXTREME EAST TEXAS INTO LOUISIANA AND SOUTHERN ARKANSAS. ISOLATED
   THUNDERSTORMS MAY ALSO DEVELOP ACROSS CENTRAL FLORIDA ON SUNDAY
   AFTERNOON.

   ...SYNOPSIS...

   A SPLIT FLOW REGIME WILL PERSIST SUNDAY WITH A CUTOFF UPPER LOW
   DRIFTING SLOWLY SWD THROUGH CA WHILE A LOW AMPLITUDE RIDGE BUILDS
   OVER THE SRN PLAINS. A NRN STREAM SHORTWAVE TROUGH WILL ADVANCE FROM
   THE NRN PLAINS THROUGH THE GREAT LAKES AREA.

   ...CNTRL THROUGH SCNTRL CA...

   ISOLATED TO WIDELY SCATTERED THUNDERSTORMS WILL LIKELY DEVELOP ONCE
   AGAIN OVER A PORTION OF CNTRL INTO SCNTRL CA WHERE DIABATIC WARMING
   BENEATH COLD AIR ALOFT ASSOCIATED WITH AN UPPER LOW CIRCULATION WILL
   RESULT IN STEEP LAPSE RATES AND WEAK INSTABILITY.

   ...LOWER MS VALLEY AREA...

   SCATTERED ELEVATED SHOWERS AND A FEW THUNDERSTORMS WILL PERSIST
   WITHIN A ZONE OF ISENTROPIC ASCENT ALONG WARM CONVEYOR BELT WHERE
   LOW-LEVEL THETA-E ADVECTION BENEATH MODEST MID-LEVEL LAPSE RATES
   WILL CONTRIBUTE TO WEAK INSTABILITY. 

   ...CNTRL FL...

   SCATTERED SHOWERS AND THUNDERSTORMS WILL LIKELY ONCE AGAIN DEVELOP
   IN VICINITY OF AN E-W BOUNDARY AND IN ASSOCIATION WITH SEA BREEZE
   CIRCULATIONS ACROSS CNTRL FL DURING THE DAY. ACTIVITY WILL DIMINISH
   DURING THE EVENING WITH THE ONSET OF NOCTURNAL COOLING.

   ..DIAL/PICCA.. 03/01/2015

   CLICK TO GET WUUS01 PTSDY1 PRODUCT

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

        
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Page last modified: March 01, 2015
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