DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 271618
SWODY1
SPC AC 271616

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1016 AM CST THU FEB 27 2014

VALID 271630Z - 281200Z

...NO SVR TSTM AREAS FORECAST...

...WESTERN STATES...
SATELLITE IMAGERY SHOWS TWO LARGE UPPER FEATURES WHICH WILL AFFECT
THE WESTERN STATES DURING THIS FORECAST PERIOD...BOTH PRODUCING A
RISK OF SCATTERED THUNDERSTORMS.

THE FIRST SYSTEM IS CURRENTLY MOVING ACROSS CA INTO WESTERN NV. A
POCKET OF COOL TEMPERATURES ALOFT AND STEEP LAPSE RATES WILL
ACCOMPANY THIS SYSTEM AS IT TRACKS ACROSS THE GREAT BASIN AND INTO
THE CENTRAL ROCKIES TONIGHT. SUFFICIENT MID LEVEL MOISTURE AND LIFT
WILL POSE A THREAT OF WIDELY SCATTERED THUNDERSTORMS...PRIMARILY
OVER THE HIGHER TERRAIN.

THE SECOND UPPER FEATURE IS STILL WELL WEST OF THE CA COAST...BUT
WILL BEGIN TO APPROACH THE REGION LATE TONIGHT. COOLING
TEMPERATURES ALOFT AND STRENGTHENING ONSHORE FLOW MAY BE SUFFICIENT
FOR ISOLATED LIGHTNING STRIKES ALONG AND JUST OFF THE CENTRAL CA
COAST AFTER MIDNIGHT.

..HART/SMITH.. 02/27/2014

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