Wednesday, November 4, 2009

DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 041627
SWODY1
SPC AC 041626

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1026 AM CST WED NOV 04 2009

VALID 041630Z - 051200Z

...NO SVR TSTM AREAS FORECAST...

TSTM POTENTIAL WILL REMAIN LOW ACROSS MUCH OF THE CONUS THROUGH THE
PERIOD. THE EXCEPTIONS WILL BE IN SRN FL AND PORTIONS OF COASTAL
VA/NC. 12Z MFL/EYW RAOBS BOTH SAMPLED AN INCREASE IN PW VALUES TO
AROUND 1.50 INCHES WHICH WILL SUPPORT A CONTINUATION OF ISOLATED
TSTM ACTIVITY. FARTHER N...A SHORT WAVE TROUGH CENTERED OVER THE
GREAT LAKES/MIDWEST WILL AMPLIFY AS IT REACHES THE MID-ATLANTIC
COAST BY EARLY THU. AS LARGE-SCALE ASCENT STRENGTHENS...MEAGER
INSTABILITY MAY DEVELOP ALONG COASTAL NC/VA AND COULD LEAD TO A FEW
TSTMS INITIATING OVERLAND BEFORE THE THREAT SHIFTS OFFSHORE.

..GRAMS/EVANS.. 11/04/2009

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