Wednesday, November 4, 2009

DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 041927
SWODY1
SPC AC 041925

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0125 PM CST WED NOV 04 2009

VALID 042000Z - 051200Z

...NO SVR TSTM AREAS FORECAST...

PREVIOUS FORECAST APPEARS TO BE ON TRACK. WILL NOT MAKE CHANGES TO
1630Z DAY1 OUTLOOK.

..DARROW.. 11/04/2009

.PREV DISCUSSION... /ISSUED 1026 AM CST WED NOV 04 2009/

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.

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