ZCZC SPCSWODY1 ALL ACUS01 KWNS 121602 SPC AC 121601 STORM PREDICTION CENTER...NWS/NCEP...NORMAN OK DAY 1 CONVECTIVE OUTLOOK...REF AWIPS GRAPHIC PGWE46 KWNS. VALID 121630Z - 131200Z NO SVR TSTM AREAS FCST. GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 25 SE MRY 50 NW NID 35 ESE DAG 25 ESE IPL. LARGE SURFACE AND UPPER LOW WILL REMAIN OFFSHORE SRN CA THRU THE FORECAST PERIOD. RESULT WILL BE CONTINUATION OF A VERY MOIST SLY FLOW IN THE SWRN U.S. WITH EXTENSIVE CLOUD COVER AND LAPSES RATES GENERALLY 6.5C/KM OR LESS INLAND...EXPECT INSTABILITY TO BE TOO MARGINAL TO SUPPORT ANY MORE THAN ISOLATED LIGHTNING STRIKES E OF SRN CA MTNS. W OF MTNS INSTABILITY A LITTLE HIGHER WITH THE GREATER LOW LEVEL MOISTURE. THUS THE OBSERVED LIGHTNING OFFSHORE WILL OCCASIONALLY DEVELOP INLAND FROM COASTAL MTNS WWD. ..HALES.. 02/12/03 NNNN |