ZCZC SPCSWODY1 ALL ACUS01 KWNS 100055 SPC AC 100054 STORM PREDICTION CENTER...NWS/NCEP...NORMAN OK DAY 1 CONVECTIVE OUTLOOK...REF AWIPS GRAPHIC PGWE46 KWNS. VALID 100100Z - 101200Z NO SVR TSTM AREAS FCST. GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM SRQ 50 W DAB 20 SSE JAX 30 WNW JAX 35 S VLD 10 S TLH 30 W MAI 15 NNW TOI 40 ENE ANB 65 S TYS 25 NNE AVL 50 WNW GSO 30 ENE DAN 15 NNE ORF. ...SERN U.S./FL... EXIT REGION OF UPPER JET WILL SHIFT EWD ACROSS SC TONIGHT ENHANCING LARGE SCALE ASCENT/CONVECTIVE THREAT ACROSS SERN PORTIONS OF THE U.S. LATEST REGIONAL RADAR DATA SUPPORTS THIS WITH WIDESPREAD PRECIPITATION FROM SERN GA ACROSS SC INTO WRN NC. SOUTH OF THIS ACTIVITY...DEEPENING WLY FLOW HAS FORCED MULTIPLE BANDS OF STRONGER THUNDERSTORMS OFFSHORE FROM EAST OF JAX...SWD TO EAST OF PBI. AS FLOW CONTINUES TO VEER...CONVECTION WILL PRIMARILY FOCUS OVER THE GULF STREAM. 00Z SOUNDINGS FROM THIS REGION INDICATE AIR MASS IS NOT PARTICULARLY UNSTABLE WITH MUCAPES AOB 1000 J/KG. GIVEN WEAKENING CONVERGENCE ALONG THE PENINSULA...SEVERE THREAT APPEARS NEGLIGIBLE THE REST OF THE PERIOD. ..DARROW.. 04/10/03 NNNN |