SPC AC 201601
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1101 AM CDT SAT MAR 20 2010
VALID 201630Z - 211200Z
...NO SVR TSTM AREAS FORECAST...
TROUGH MOVING EWD ACROSS SRN PLAINS WILL DEEPEN CONSIDERABLY LATER
THIS AFTERNOON AND TONIGHT INTO A STRONG UPPER LOW VICINITY ARKLATEX
REGION BY 12Z SUN. VIGOROUS LINE OF FORCED THUNDERSTORMS ASSOCIATED
WITH THE COLD FRONT HAS BEEN TRACKING EWD ACROSS SCENTRAL TX THIS
MORNING. WHILE ISOLATED WIND DAMAGE HAS OCCURRED WITH THE
LINE...THE SEVERE THREAT EXPECTED TO BE MINIMAL OVER LAND SERN
TX/SWRN LA AS THE AIRMASS IN THE WARM SECTOR CONTAINS VERY LITTLE
INSTABILITY.
HAVE MAINTAINED A SMALL AREA OF LOW WIND PROBS THRU EARLY AFTERNOON
HOWEVER WITH TIME THE STRONGEST CONVECTION SHOULD SHIFT OFFSHORE.
AS THE UPPER SYSTEM DEEPENS...PARTICULARLY TONIGHT...LOW LEVEL JET
INTO MS DELTA REGION WILL INCREASE. AGAIN THE AIR MASS WILL BE
LACKING IN INSTABILITY TO SUPPORT ANY ORGANIZED SEVERE. WILL
CONTINUE TO INDICATE A NON-ZERO THREAT OF ROTATING STORMS CENTRAL
GULF COAST TONIGHT...HOWEVER STRONGEST CONVECTION EXPECTED TO REMAIN
OFFSHORE.
..HALES/SMITH.. 03/20/2010
CLICK TO GET WUUS01 PTSDY1 PRODUCT
NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 2000Z
|
