SWODY2
SPC AC 240548
DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1148 PM CST FRI JAN 23 2009
VALID 251200Z - 261200Z
...NO SVR TSTM AREAS FORECAST...
...GRT BASIN...
DEVELOPING MID-LVL SHORTWAVE TROUGH OFF THE NWRN BC CST WILL AMPLIFY
AND DIG SWD TO OFF THE ORE CST BY 12Z/25...THEN LIKELY CLOSE OFF
INTO A LOW OVER CNTRL CA BY 12Z/26. AS THIS IMPULSE APCHS ON
SUNDAY...EXISTING BAROCLINIC ZONE SITUATED ACROSS CNTRL NV AND NRN
UT WILL TIGHTEN...RESULTING IN BANDS OF CONVECTION. STEEPENING
LAPSE RATES ALOFT /7-7.5 DEG C PER KM/ COUPLED WITH ASCENT-DERIVED
COLUMN MOISTENING WILL BE FAVORABLE FOR SPORADIC NON-SVR TSTMS
AMIDST MUCAPE UP TO 75-100 J PER KG...PRIMARILY FROM THE HIGHER
CNTRL SIERRA NV TERRAIN EWD TOWARD THE UT BORDER. A LOWER
PROBABILITY OF ISOLD TSTMS WILL EXIST FARTHER W ACROSS PARTS OF
CNTRL CA CLOSER TO THE DIGGING VORT MAX CENTER.
..RACY.. 01/24/2009
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