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Severe Thunderstorm Watch 420
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WW0420 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Moderate Low
Severe Hail 2"+ Hail
Moderate 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.
   SEL0

   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 420
   NWS STORM PREDICTION CENTER NORMAN OK
   205 AM CDT TUE JUL 14 2015

   THE NWS STORM PREDICTION CENTER HAS ISSUED A

   * SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
     EXTREME SOUTHEAST ILLINOIS
     SOUTHWEST INDIANA
     PARTS OF NORTHERN AND CENTRAL KENTUCKY

   * EFFECTIVE THIS TUESDAY MORNING FROM 205 AM UNTIL 700 AM CDT.

   * PRIMARY THREATS INCLUDE...
     SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
     ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE

   SUMMARY...CLUSTERS OF STORMS WILL LIKELY CONTINUE TO DEVELOP AND
   SPREAD ESEWD/SEWD THROUGH THE EARLY MORNING HOURS FROM SE IL/SW
   INDIANA INTO KY.  THE STRONGER STORMS WILL BE CAPABLE OF PRODUCING
   DAMAGING WINDS AND LARGE HAIL.

   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 40
   STATUTE MILES NORTH AND SOUTH OF A LINE FROM 30 MILES SOUTH OF
   MATTOON ILLINOIS TO 70 MILES SOUTHEAST OF LOUISVILLE KENTUCKY. 
   FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
   OUTLINE UPDATE (WOUS64 KWNS WOU0).

   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...THIS SEVERE THUNDERSTORM WATCH REPLACES
   SEVERE THUNDERSTORM WATCH NUMBER 419. WATCH NUMBER 419 WILL NOT
   BE IN EFFECT AFTER 205 AM CDT. CONTINUE...WW 417...

   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
   KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 600. MEAN STORM
   MOTION VECTOR 31035.


   ...THOMPSON
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Page last modified: July 14, 2015
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