Friday, November 27, 2009

DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 271220
SWODY1
SPC AC 271219

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0619 AM CST FRI NOV 27 2009

VALID 271300Z - 281200Z

...NO SVR TSTM AREAS FORECAST...

...NEW ENGLAND...
SURFACE CYCLONE OFF THE SRN NEW ENGLAND COAST WILL DEEPEN MARKEDLY
THROUGH EARLY SAT AS IT SHIFTS NWD TOWARDS NEW BRUNSWICK. AN
INTENSIFYING LOW-LEVEL WAA REGIME TO THE N/NW OF THE CYCLONE TRACK
WILL RESULT IN SUFFICIENT ELEVATED INSTABILITY FOR ISOLATED
THUNDERSTORMS EMBEDDED WITHIN MORE WIDESPREAD SHOWERS...FROM SRN NEW
ENGLAND COASTAL AREAS THIS MORNING...INTO ME DURING THE AFTERNOON.

...CNTRL VALLEY OF CA...
DESPITE STRENGTHENING FORCED ASCENT ASSOCIATED WITH A SHORT WAVE
TROUGH DIGGING ALONG THE CA COAST...MODEL FORECASTS ARE CONSISTENT
THAT DESTABILIZATION SHOULD REMAIN TOO WEAK TO WARRANT A CATEGORICAL
TSTM AREA ATTM.

..GRAMS/EVANS.. 11/27/2009

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