SWODY1
SPC AC 041611
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1011 AM CST WED MAR 04 2009
VALID 041630Z - 051200Z
...NO SVR TSTM AREAS FORECAST...
COLD TROUGH OFF W COAST IS IN PROCESS OF MOVING INLAND AS A STRONG
JET MAX DIGS SWD ALONG CANADIAN W COAST. THE AIRMASS NOW INLAND
MUCH OF WRN U.S. CHARACTERIZED BY COLD/STEEP LAPSE RATES BUT ONLY
WEAK INSTABILITY DUE TO LACK OF PRECIPITABLE WATER IN ADVANCE OF
COLD FRONT. FRONTAL ZONE CURRENTLY MOVING EWD ACROSS SRN ID INTO
CENTRAL NV WILL REACH WRN WY TO WRN UT THIS EVENING. WITH
PRE-FRONTAL AIR MASS SO DRY...ANY THUNDERSTORM ACTIVITY SHOULD
PRIMARILY BE ASSOCIATED WITH FRONTAL ZONE. SHOWERS AND A FEW WEAK
THUNDERSTORMS WILL ALSO DEVELOP WITH HEATING CENTRAL PAC COAST
INLAND TO THE SIERRAS UNDER THE COLD TROUGH. SMALL HAIL WILL BE
LIKELY GIVEN THE COLD AIR MASS BUT SEVERE NOT EXPECTED.
..HALES/GARNER.. 03/04/2009
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