SWODY1
SPC AC 030057
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0657 PM CST MON MAR 02 2009
VALID 030100Z - 031200Z
...NO SVR TSTM AREAS FORECAST...
...NORTH CENTRAL CA/SACRAMENTO VALLEY...
ON THE PERIPHERY OF AN UPPER LOW CENTERED IN THE EASTERN PACIFIC
NEAR 45N/145W...WATER VAPOR IMAGERY SUGGESTS A SHORTWAVE IMPULSE
CURRENTLY NEARING THE WEST COAST WILL PIVOT NORTHEASTWARD ACROSS
NORTHERN CA/ORE THIS EVENING...WITH A SUBSEQUENT SHORTWAVE
TROUGH/ASSOCIATED FRONTAL BAND REACHING THE COAST EARLY TUESDAY.
STRONG TSTMS HAVE DEVELOPED THIS AFTERNOON IN THE SACRAMENTO VALLEY
GENERALLY EAST OF THE STOCKTON AREA...WITH THIS ACTIVITY EXPECTED TO
CONTINUE QUICKLY DEVELOPING INTO THE HIGHER TERRAIN OVER THE NEXT
FEW HOURS. MODIFIED 00Z OBSERVED RAOB FROM OAKLAND IMPLIES AS MUCH
AS 600 J/KG OF MUCAPE ACROSS THE INTERIOR VALLEY. HOWEVER...WITH AN
OBSERVED TENDENCY FOR LOW LEVEL DRYING/VEERING AND LOSS OF DAYTIME
HEATING...ALREADY MEAGER SEVERE/TORNADO POTENTIAL SHOULD CONTINUE TO
DWINDLE THIS EVENING. A FEW OF THE STRONGER TSTMS COULD YET PRODUCE
HAIL/GUSTY WINDS...BUT ORGANIZED SEVERE TSTMS ARE NOT EXPECTED.
..GUYER.. 03/03/2009
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