Tuesday, December 29, 2009

DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 291559
SWODY1
SPC AC 291558

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0958 AM CST TUE DEC 29 2009

VALID 291630Z - 301200Z

...NO SVR TSTM AREAS FORECAST...

...PAC NW...
MDTLY STRONG MID LEVEL VORT AND ASSOCIATED COLD AIR ALOFT WILL BE
MOVING ONSHORE OR AND SW WA COASTS BY THIS EVENING. GIVEN STEEP
LAPSE RATES AND MOIST ONSHORE FLOW...SCATTERED CONVECTION INCLUDING
A FEW THUNDERSTORMS ARE LIKELY WEST OF ORE CASCADES THRU THE EVENING
HOURS AND GIVEN THE COLD AIR ALOFT...SMALL HAIL IS LIKELY WITH
STRONGER UPDRAFTS.

..HALES.. 12/29/2009

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