SWODY2
SPC AC 171703
DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1103 AM CST MON DEC 17 2007
VALID 181200Z - 191200Z
..NO TSTM AREAS FORECAST...
..SYNOPSIS...
PROGRESSIVE FLOW WILL CONTINUE INTO TUESDAY. UPPER TROUGH OVER THE
WRN U.S. WILL MAINTAIN LOW AMPLITUDE AS IT TRAVERSES THE COUNTRY.
SURFACE HIGH PRESSURE OVER THE SERN STATES WILL SHIFT EAST ALLOWING
SLY LOW LEVEL FLOW TO COMMENCE OVER THE WRN GULF. HOWEVER...MOISTURE
RETURN IN ADVANCE OF THE UPPER TROUGH WILL BE INSUFFICIENT FOR A
THUNDERSTORM THREAT. FARTHER WEST...VORT MAX OVER THE NERN PACIFIC
WILL MOVE INTO THE PACIFIC NW TUESDAY ACCOMPANIED BY A COLD FRONT.
ATTENDANT THERMAL TROUGH WILL CONTRIBUTE TO SOME INSTABILITY...AND
SCATTERED SHOWERS WILL LIKELY DEVELOP. AT THIS TIME IT APPEARS THE
THERMODYNAMIC ENVIRONMENT WILL BE INSUFFICIENT FOR MORE THAN VERY
ISOLATED LIGHTNING STRIKES.
.DIAL.. 12/17/2007
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