Thursday, December 4, 2008

DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 050027
SWODY1
SPC AC 050024

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0624 PM CST THU DEC 04 2008

VALID 050100Z - 051200Z

...NO TSTM AREAS FORECAST...

...GREAT LAKES AREA...

MULTIPLE LAKE EFFECT BANDS HAVE SET UP OVER THE GREAT LAKES AS COLD
CP AIR SPREADS SEWD. AN EWD ADVANCING 700 MB THERMAL TROUGH WILL
MAINTAIN STEEP LAPSE RATES IN THE SURFACE-700 MB LAYER THIS EVENING.
THIS SUGGESTS VERY ISOLATED LIGHTNING STRIKES CANNOT BE RULED OUT
ESPECIALLY WITH BANDS COMING OFF LAKE SUPERIOR AND NORTHERN PORTION
OF LAKE MI AND LAKE ONTARIO LATER TONIGHT. ANY LIGHTNING ACTIVITY
WILL LIKELY REMAIN VERY SPARSE AND LESS THAN 10% COVERAGE.

..DIAL.. 12/05/2008

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