Wednesday, December 11, 2013

DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 110955
SWODY1
SPC AC 110953

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0353 AM CST WED DEC 11 2013

VALID 111200Z - 121200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...
COOL AND/OR DRY WEATHER WILL PREVAIL OVER THE CONUS ON WED...WITH
LITTLE CHANCE OF ANY THUNDERSTORMS DUE TO AN EXPANSIVE SURFACE HIGH.

COLD AIR ALOFT WITH AN UPPER TROUGH WILL RESULT IN STEEP LOW LEVEL
LAPSE RATES OVER THE GREAT LAKES...WHERE LAKE EFFECT SNOW BANDS WILL
EXIST. THE STRONGEST BAND IS EXPECTED TO BE OVER LAKE ONTARIO...AND
A LIGHTNING STRIKE OR TWO WILL BE POSSIBLE GIVEN SUFFICIENTLY DEEP
CONVECTIVE BANDS.

ELSEWHERE...WHILE UPPER 60S F DEWPOINTS WILL REMAIN OVER SRN
FL...VERY POOR MIDLEVEL LAPSE RATES SHOULD PRECLUDE LIGHTNING WITH
ANY DAYTIME SHOWERS.

..JEWELL.. 12/11/2013

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