SPC Day 1 Thunderstorm Outlook Issued 01Z 20030108


ZCZC SPCSWODY1 ALL
ACUS01 KWNS 080037
SPC AC 080034

STORM PREDICTION CENTER...NWS/NCEP...NORMAN OK 
DAY 1 CONVECTIVE OUTLOOK...REF AWIPS GRAPHIC PGWE46 KWNS.

VALID 080100Z - 081200Z

NO SVR TSTM AREAS FCST.

GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 40 NNW SAN
40 NNW TRM 10 W EED 20 S PRC 30 WSW FHU.

...SYNOPSIS...
UPPER RIDGE WILL PERSIST ACROSS THE WRN CONUS WHILE TROUGH REMAINS
OVER THE EAST.  UPPER LOW NOW OFF THE BAJA COAST IS FORECAST TO
MOVE NEWD TOWARD SRN CA BY THE END OF THE PERIOD.

...AZ / SRN CA...
LOW- TO MID-LEVEL MOIST ADVECTION BENEATH FAIRLY STEEP MID-LEVEL
LAPSE RATES HAS RESULTED IN A SLIGHTLY UNSTABLE AIRMASS ACROSS
PARTS OF SRN AZ / SRN CA.  SHOWERS AND ISOLATED THUNDERSTORMS HAVE
DEVELOPED OVER SWRN AZ...AND SHOULD CONTINUE THROUGH THE PERIOD AS
UPPER LOW APPROACHES THE REGION.  HOWEVER...MINIMAL INSTABILITY
SHOULD LIMIT COVERAGE / INTENSITY OF CONVECTION.

..GOSS.. 01/08/03

NNNN