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 |