[IWX_warnings] SEL7

[Severe weather warnings from NWS IWX.]

WWUS20 KWNS 311936
SEL7  
SPC WW 311936
INZ000-MIZ000-OHZ000-LHZ000-010300-


TRNDO WTCH 117
NWS SPC 
235P FRI MAR 31 2006

THE NWS SPC HAS ISSUED A
TRNDO WATCH FOR PORTIONS OF 

       N IN
       S LWR MI
       EXTREME NW OH
       LK HURON

EFFCTVE THIS FRIDAYP AND EVE FROM 235P UNTL 1000
PM.

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

THE TRNDO WATCH AREA IS APPROXIMATELY ALONG AND 80 STATUTE MI
E AND WEST OF A LN FROM 40 MI NORTH NW OF FLINT
MI TO 55 MI SW OF FORT WAYNE IN.  FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLN
UPDATE (WOUS64 KWNS WOU7).

REMEMBER A TRNDO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TRNDOES AND 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.

DISCUSSION INCREASING LRG SCALE ASCENT WILL SPREAD EWD ATOP
MOISTENING LOW-LEVELS RESULTING IN STRM DVLPMENT ALONG
SURFACE TROUGH OVER SRN LWR MI INTO NWRN IN.  STRNG DEEP
LAYER SHEAR AND MODERATE INSTABILITY WILL SUPPORT LN
SEGMENTS/EMBEDDED SUPERCELLS CAPBL OF PRDCNG LRG HAIL AND
DMGG WINDS.  LOW-LEVEL SHEAR MAY ALSO BE SFCNT FOR A COUPLE
OF TRNDOES.

AVIATION TRNDOES AND 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
400. MEAN STRM MOTION VECTOR 26045.


 PETERS/THOMPSON

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