SWODY1
SPC AC 180058
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0658 PM CST WED DEC 17 2008
VALID 180100Z - 181200Z
...NO SVR TSTM AREAS FORECAST...
...LWR CO RVR VLY...
UPR LOW NEAR KSAN AT 00Z WILL SHIFT INLAND TO THE CO RVR VLY LATER
TONIGHT AS A STRONG JET DEVELOPS ACROSS NRN MEXICO AND SRN AZ.
MOIST/WARM CONVEYOR OVER SRN CA/BAJA WILL SHIFT EWD INTO WRN AZ THIS
EVENING. DUAL MOISTURE SOURCES /GULF OF CA AND THE PACIFIC/
COMBINED WITH STEEPENING LAPSE RATES ALOFT WILL BE FAVORABLE FOR
SPORADIC LIGHTNING ASSOCD WITH STRONGER UPDRAFTS...ESPECIALLY OVER
THE SWRN AZ DESERTS.
...CSTL SRN CA...
CORE OF THE COLD AIR ALOFT BENEATH THE UPR LOW WILL PROVIDE
SUFFICIENTLY STEEP LAPSE RATES FOR ISOLD TSTMS OVER CSTL SRN CA
THROUGH LATE EVENING. TSTMS MAY PRODUCE SMALL HAIL/GRAUPEL OWING TO
LOWERING WBZ.
..RACY.. 12/18/2008
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