Monday, February 23, 2009

DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 231920
SWODY1
SPC AC 231916

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0116 PM CST MON FEB 23 2009

VALID 232000Z - 241200Z

...NO TSTM AREAS FORECAST...

...SYNOPSIS...

CLOSED LOW NEAR 42 N AND 132 W WILL MOVE EWD/ENEWD TO THE WA/ORE
COASTS LATER TONIGHT IN WAKE OF A BAROCLINIC BAND CURRENTLY MOVING
ONSHORE. OCEANIC LIGHTNING DATA HAVE NOT INDICATED ANY RECENT
ACTIVITY...AND DESTABILIZATION POTENTIAL WILL REMAIN LIMITED AS THE
LOW MOVES OVER THE SLIGHTLY COOLER SST CLOSER TO THE PAC COAST. ANY
LIGHTNING STRIKES ALONG THE ORE/SW WA COASTS WILL BE VERY ISOLATED
AND NOT SUFFICIENT TO WARRANT INTRODUCING AN OUTLOOK AREA.

ELSEWHERE...A CONTINENTAL POLAR AIR MASS WILL PRECLUDE ANY
APPRECIABLE THUNDERSTORM THREAT E OF THE ROCKIES.

..DIAL.. 02/23/2009

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