[IWX_warnings] SEL0

[Severe weather warnings from NWS IWX.]

WWUS20 KWNS 031111
SEL0  
SPC WW 031111
INZ000-MIZ000-LMZ000-031500-


SVR STRM WTCH 680
NWS SPC 
710A THU AUG 3 2006

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

       FAR N IN
       W LWR MI
       LK MI

EFFCTVE THIS THURSDAY MORNING FROM 710A UNTL 1100A.

HAIL TO 0.5 INCH IN DIAMETER STRM WIND GUSTS TO 70
MPH AND DNGRS LIGHTNING ARE PSBL IN THESE AREAS.

THE SVR STRM WATCH AREA IS APPROXIMATELY ALONG AND 70
STATUTE MI EITHER SIDE OF A LN FROM 35 MI WEST NW
OF GRAND RAPIDS MI TO 30 MI S SW OF KALAMAZOO
MI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLN UPDATE (WOUS64 KWNS WOU0).

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 679 

DISCUSSION BOW MCS NOW PASSING CHI AREA EXP TO CNTINU ENE. 
SYSTEM LIKELY WILL REMAIN SLIGHTLY ELEVATED.  BUT DEEP /800 TO 500
MB/ LAYER OF 40+ KT UNIDIRECTIONAL WSW FLOW AND ENHANCED LOW-LEVEL
SYSTEM-RELATIVE WINDS IN SRN LWR MI SUGGEST CNTINUD LIKELIHOOD FOR
NEW CELL DVLPMENT AND ASSOCIATED CHANCE FOR DMGG SURFACE
WINDS.

AVIATION A FEW SVR STRMS WITH HAIL SURFACE AND ALOFT
TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STRM
MOTION VECTOR 25040.


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