SWODY1
SPC AC 021200
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0600 AM CST SAT FEB 02 2008
VALID 021300Z - 031200Z
..NO TSTM AREAS FORECAST...
..SYNOPSIS...
BROAD TROUGH WILL REMAIN PRONOUNCED ACROSS THE WRN 2/3S OF THE
COUNTRY TODAY...WITH A PAIR OF FAST MOVING TROUGHS MAINTAINING
COOL/STABLE OFFSHORE FLOW OVER THE ERN STATES. WRN U.S. TROUGH WILL
SHARPEN LATE IN THE PERIOD AS NEXT STRONG SYSTEM AND ASSOCIATED
MID/UPPER LEVEL JET DIG INTO CA. IN RESPONSE TO EJECTING LOWER
AMPLITUDE TROUGH ACROSS THE SRN ROCKIES...SSWLY RETURN FLOW WILL
INCREASE OVER THE SRN PLAINS AND WRN GULF OF MEXICO.
..SERN TX...
INCREASE IN LOW LEVEL MOISTURE ON MODEST GULF MOISTURE RETURN SHOULD
SUPPORT WEAK DESTABILIZATION INTO SERN AND PARTS OF ERN TX LATE
TONIGHT BENEATH WARM NOSE PERSISTING BETWEEN H85-H7. THIS WILL
LIKELY ALLOW SHALLOW MOIST CONVECTION TO INCREASE IN COVERAGE ACROSS
MUCH OF THIS REGION BEGINNING AS EARLY AS THIS EVENING.
REGARDLESS...FORECAST SOUNDINGS INDICATE VERY LITTLE POTENTIAL FOR
DEEP CONVECTION AND THUNDERSTORM POTENTIAL WILL REMAIN TOO MARGINAL
TO INTRODUCE A THUNDERSTORM AREA ATTM.
..WEST COAST INTO THE GREAT BASIN...
MOIST CONVECTION WILL INCREASE THROUGH THE LATTER HALF OF THE PERIOD
ACROSS MOST OF THIS REGION IN RESPONSE TO STRONG SYSTEM APPROACHING
THE WEST COAST. HOWEVER...OUTSIDE OF SPORADIC LIGHTNING STRIKES
NEAR THE NRN/CENTRAL CA COAST LATE TONIGHT...OVERALL THUNDERSTORM
POTENTIAL WILL REMAIN QUITE LOW.
.EVANS.. 02/02/2008
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