[IWX_warnings] SEL3

[IWX_warnings at goshenarc.org]

WWUS20 KWNS 191901
SEL3  
SPC WW 191900
INZ000-OHZ000-200000-


SVR STRM WTCH 763
NWS SPC 
300P THU AUG 19 2004

THE NWS SPC HAS ISSUED A
SVR STRM WATCH FOR PORTIONS OF 

       EXTREME E C IN
       C AND W OH

EFFCTVE THIS THURSDAYP AND EVE FROM 300P UNTL
800P.

HAIL TO 1.5 INCHES IN DIAMETER STRM WIND GUSTS TO 70
MPH AND DNGRS LIGHTNING ARE PSBL IN THESE AREAS.

THE SVR STRM WATCH AREA IS ALONG AND 35 STATUTE MI
NORTH AND S OF A LN FROM 45 MI E NE OF COLUMBUS
OH TO 50 MI WEST OF DAYTON OH.

REMEMBER A SVR STRM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SVR STRMS IN AND CLOSE TO THE WATCH AREA.
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WX CONDITIONS AND LISTEN FOR LATER STMENTS AND PSBL
WARNINGS. SVR STRMS CAN AND OCCASIONALLY DO PRDCE
TRNDOES.

OTHER WATCH INFORMATION CNTINU WW 762 

DISCUSSION SCATTERED STRMS SHOULD DVLP IN THE NEXT HOUR
OR SO ALONG A STATIONARY FRONT ACRS C/WRN OH.  SURFACE
HEATING AND DEWPOINTS OF 65-70 F ARE RESULTING IN MLCAPE VALUES TO
NR 2000 J/KG ACRS C AND SRN OH INTO SRN IN. 
MEANWHILE DEEP LAYER VERTICAL SHEAR IS FAVORABLE FOR ORGANIZED
LN SEGMENTS AND SUPERCELLS INVOF THE SURFACE BNDRY.  DMGG
WINDS AND LRG HAIL WILL BE THE MAIN SVR THREATS THROUGH THE
LATEP AND EVE.

AVIATION A FEW SVR STRMS WITH HAIL SURFACE AND ALOFT
TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STRM
MOTION VECTOR 29030.


 THOMPSON

;394,0820 392,0850 402,0850 404,0820; 

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