SWODY1
SPC AC 221957
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0257 PM CDT SAT MAR 22 2008
VALID 222000Z - 231200Z
..NO SVR TSTM AREAS FORECAST...
..TRANSPECOS REGION OF W TX...
SCATTERED THUNDERSTORM DEVELOPMENT IS FORECAST ACROSS PARTS OF W TX
THIS AFTERNOON...AS HEATING OF MARGINALLY-MOIST AIRMASS CONTINUES --
RESULTING IN FURTHER/WEAK DESTABILIZATION INVOF WEAK SURFACE COLD
FRONT. WHILE THE LACK OF APPRECIABLE INSTABILITY SHOULD LIMIT
OVERALL SEVERE THREAT...FAVORABLE SHEAR MAY YIELD A FEW
STRONGER/ROTATING STORMS CAPABLE OF PRODUCING MARGINAL HAIL. IN
ADDITION...DEEP/DRY BOUNDARY LAYER SUGGESTS SOME POTENTIAL FOR
LOCALLY GUSTY WINDS WITH STRONGER STORMS.
OVERNIGHT...COOLING BOUNDARY LAYER AND AN INCREASE IN ESELY
LOW-LEVEL FLOW ATOP THE SWD-MOVING FRONT SUGGEST THAT STORMS WILL
BECOME ELEVATED...WITH ANY LINGERING MARGINAL HAIL THREAT LIKELY TO
DIMINISH WITH TIME.
..S FL...
MOIST AIRMASS BUT LIMITED HEATING IS RESULTING IN ONLY WEAK
INSTABILITY ACROSS S FL S OF COLD FRONT. CLUSTER OF STORMS
APPROACHING THE SRN PENINSULA OVER THE ERN GULF AHEAD OF WEAK UPPER
FEATURE CONTINUES TO WEAKEN AS IT APPROACHES FL...LIKELY DUE TO
OVERALL LACK OF INSTABILITY. WHILE THIS TREND SHOULD CONTINUE INTO
THIS EVENING...FLOW ALOFT MAY BE STRONG ENOUGH TO SUPPORT A FEW
ORGANIZED STORMS -- PERHAPS CAPABLE OF A LOCALLY-STRONGER GUST OR
MARGINALLY-SEVERE HAILSTONE THROUGH THE AFTERNOON.
.GOSS.. 03/22/2008
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