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Tornado Watch 37
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WW0037 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Moderate Low
Severe Wind 65 kt+ Wind
Moderate Low
Severe Hail 2"+ Hail
High Moderate

Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
Note: Click for Watch Status Reports.
   SEL7

   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 37
   NWS STORM PREDICTION CENTER NORMAN OK
   405 PM CDT WED APR 8 2015

   THE NWS STORM PREDICTION CENTER HAS ISSUED A

   * TORNADO WATCH FOR PORTIONS OF 
     SOUTHERN ILLINOIS
     SOUTHERN INDIANA
     SOUTHEAST MISSOURI

   * EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 405 PM
     UNTIL 1000 PM CDT.

   * PRIMARY THREATS INCLUDE...
     A COUPLE TORNADOES POSSIBLE
     SCATTERED LARGE HAIL LIKELY WITH ISOLATED VERY LARGE HAIL EVENTS
       TO 2.5 INCHES IN DIAMETER POSSIBLE
     SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

   THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 125 STATUTE
   MILES EAST AND WEST OF A LINE FROM 65 MILES NORTH NORTHEAST OF
   EVANSVILLE INDIANA TO 25 MILES SOUTHEAST OF CARBONDALE ILLINOIS. 
   FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
   OUTLINE UPDATE (WOUS64 KWNS WOU7).

   PRECAUTIONARY/PREPAREDNESS ACTIONS...

   REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
   TORNADOES AND 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.

   &&

   OTHER WATCH INFORMATION...CONTINUE...WW 33...WW 34...WW 35...WW
   36...

   DISCUSSION...SUPERCELL CLUSTERS THAT HAVE FORMED IN RELATIVELY WEAK
   LOW-LVL SHEAR THIS AFTN MAY POSE A THREAT FOR A COUPLE TORNADOES
   THROUGH EARLY TNGT GIVEN DEGREE OF BUOYANCY AND PRESENCE OF ENHANCED
   SRH INVOF W-E FRONTAL SEGMENT BISECTING MAIN AXIS OF WW.

   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE
   WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
   500. MEAN STORM MOTION VECTOR 26030.


   ...CORFIDI
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Page last modified: April 09, 2015
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