SPC Day 1 Thunderstorm Outlook Issued 01Z 20030410


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

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