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Severe Thunderstorm Watch 358
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WW0358 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
High Moderate
Severe Hail 2"+ Hail
Low Very Low

Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
Note: Click for Watch Status Reports.
   SEL8

   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 358
   NWS STORM PREDICTION CENTER NORMAN OK
   715 PM EDT MON JUN 24 2013

   THE NWS STORM PREDICTION CENTER HAS ISSUED A

   * SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
     EAST CENTRAL ILLINOIS
     NORTHERN AND CENTRAL INDIANA
     SOUTHERN LOWER MICHIGAN
     NORTHWEST OHIO
     LAKE MICHIGAN

   * EFFECTIVE THIS MONDAY NIGHT FROM 715 PM UNTIL MIDNIGHT EDT.

   * PRIMARY THREATS INCLUDE...
     NUMEROUS DAMAGING WIND GUSTS LIKELY WITH A FEW SIGNIFICANT GUSTS
       TO 75 MPH POSSIBLE
     A FEW LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE
     A FEW TORNADOES POSSIBLE

   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 75
   STATUTE MILES EAST AND WEST OF A LINE FROM 25 MILES NORTHWEST OF
   LANSING MICHIGAN TO 35 MILES SOUTH SOUTHEAST OF DANVILLE
   ILLINOIS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8).

   PRECAUTIONARY/PREPAREDNESS ACTIONS...

   REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
   FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
   AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
   THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
   AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
   DO PRODUCE TORNADOES.

   &&

   OTHER WATCH INFORMATION...CONTINUE...WW 354...WW 355...WW
   356...WW 357...

   DISCUSSION...NRN IL SQLN EXPECTED TO CONTINUE E AT AOA 45-50
   KTS...GIVEN ASSOCIATED WIND PROFILES SAMPLED AT DVN AND LOT
   DEPICTING DEEP/STRONG REAR-INFLOW JET. PRESENCE OF WEAK W-E FRONT
   OVER THE GRR-LAN AREA...AND THE NWD ADVANCE OF WEAKER LOW-LVL LAPSE
   RATE PLUME ACROSS CNTRL IND EXPECTED TO SERVE AS RESPECTIVE
   NORTH/SOUTH DELIMITERS OF SVR THREAT. BACKGROUND SHEAR ENVIRONMENT
   SAMPLED BY IWX VWP SUGGESTS POTENTIAL FOR A TORNADO OR TWO...BOTH
   ALONG THE SQLN...AND WITH ANY SUSTAINED...DISCRETE STORMS FORMING
   ALONG LAKE BREEZE BOUNDARY AHEAD OF SQLN IN NW IND.

   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65 KNOTS.
   A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION
   VECTOR 27045.


   ...CORFIDI
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