Monday, November 16, 2009

DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 170033
SWODY1
SPC AC 170032

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0632 PM CST MON NOV 16 2009

VALID 170100Z - 171200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...
A LARGE UPPER LOW OVER THE CENTRAL U.S. WILL CONTINUE MOVING EWD
THROUGH THE END OF THE PERIOD...WHILE A SHORT-WAVE TROUGH APPROACHES
THE PAC NW COAST. COOLING ALOFT NEAR AND E OF BOTH OF THESE SYSTEMS
WILL CONTRIBUTE TO STEEP MID-LEVEL LAPSE RATES/WEAK CAPE...AND
ASSOCIATED POTENTIAL FOR OCCASIONAL LIGHTNING STRIKES. WHILE
SPORADIC LIGHTNING WILL BE POSSIBLE THROUGH THE PERIOD INVOF THE MID
MS/LOWER OH VALLEY REGION...GREATER POTENTIAL FOR THUNDER INVOF
COASTAL WA SHOULD REMAIN CONFINED TO LATE IN THE PERIOD.

..GOSS.. 11/17/2009

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