SWODY1
SPC AC 141606
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1006 AM CST FRI DEC 14 2007
VALID 141630Z - 151200Z
..NO SVR TSTM AREAS FORECAST...
..SOUTHERN PLAINS...
MORNING WATER VAPOR IMAGERY SHOWS STRONG UPPER TROUGH OVER THE FOUR
CORNERS AREA. THIS FEATURE WILL DEEPEN AND TRACK EASTWARD INTO THE
PLAINS STATES LATER TODAY AND TONIGHT. STRONG LARGE SCALE FORCING
WILL OVERSPREAD MUCH OF THE SOUTHERN AND CENTRAL PLAINS RESULTING IN
WIDESPREAD PRECIPITATION. HOWEVER...FORECAST SOUNDINGS THROUGHOUT
THE SOUTHERN PLAINS INDICATE THAT LAPSE RATES AND LOW LEVEL MOISTURE
CONTENT WILL BE QUITE MINIMAL FOR CONVECTIVE POTENTIAL. GREATEST
THREAT OF THUNDERSTORMS WILL BE ALONG AXIS OF GREATEST MOISTURE
RETURN...FROM EAST TX INTO EASTERN AR/WESTERN TN. ELEVATED CAPE
VALUES OF UP TO 500 J/KG ARE POSSIBLE IN THIS REGION. GIVEN CURRENT
MODEL GUIDANCE AND LACK OF STRONGER INSTABILITY...THREAT OF SEVERE
STORMS APPEARS LOW AT THIS TIME.
..FL...
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS WILL BE POSSIBLE ACROSS
MUCH OF THE FL PENINSULA TODAY IN MOIST AND MARGINALLY UNSTABLE
TROPICAL AIR MASS.
.HART.. 12/14/2007
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