Thursday, November 26, 2009

DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 261943
SWODY1
SPC AC 261942

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0142 PM CST THU NOV 26 2009

VALID 262000Z - 271200Z

...NO SVR TSTM AREAS FORECAST...

NO CHANGES FOR THE 20Z OUTLOOK.

..BROYLES.. 11/26/2009

.PREV DISCUSSION... /ISSUED 1009 AM CST THU NOV 26 2009/

...SYNOPSIS...
WEAK FRONTAL BOUNDARY IS EXPECTED TO SAG SWD OFF THE COAST OF SRN FL
BY AFTERNOON. DESPITE FAVORABLY MOIST 12Z RAOBS AT MFL AND
EYW...SUBSIDENT LARGE SCALE REGIME SHOULD MAINTAIN MID LEVEL
INVERSION...WHICH WILL LIKELY PRECLUDE THUNDERSTORM DEVELOPMENT OVER
FL. ELSEWHERE...STRONG UPPER JET IS EXPECTED TO ROUND THE BASE OF A
TROUGH APPROACHING THE EAST COAST. LOW LEVEL CYCLOGENESIS IS
FORECAST TO TAKE PLACE OFF THE COAST OF NEW ENGLAND IN
RESPONSE...FOCUSING MODERATE WAA REGIME OVER THE REGION DURING THE
OVERNIGHT. GIVEN THE PRESENCE OF MODEST ELEVATED CAPE VALUES /AOB
200 J PER KG/...A FEW THUNDERSTORMS MAY DEVELOP.

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