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Severe Thunderstorm Watch 417
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WW0417 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Moderate Low
Severe Hail 2"+ Hail
Moderate 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.
   SEL7

   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 417
   NWS STORM PREDICTION CENTER NORMAN OK
   1145 AM CDT MON JUL 14 2014

   THE NWS STORM PREDICTION CENTER HAS ISSUED A

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

   * EFFECTIVE THIS MONDAY MORNING AND EVENING FROM 1145 AM UNTIL
     600 PM CDT.

   * PRIMARY THREATS INCLUDE...
     SCATTERED DAMAGING WIND GUSTS TO 70 MPH LIKELY
     SCATTERED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE

   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 70
   STATUTE MILES NORTH AND SOUTH OF A LINE FROM 35 MILES NORTHWEST
   OF FORT LEONARD WOOD MISSOURI TO 55 MILES EAST SOUTHEAST OF SOUTH
   BEND INDIANA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).

   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.

   &&

   DISCUSSION...THUNDERSTORMS WILL CONTINUE TO INTENSIFY ALONG A COLD
   FRONT EXTENDING FROM NORTHERN MO INTO NORTHEAST IL...WITH ACTIVITY
   SPREADING ACROSS THE WATCH AREA THROUGH THE AFTERNOON.  STRONG WINDS
   ALOFT AND STEEP LOW LEVEL LAPSE RATES WILL PROMOTE A RISK OF
   DAMAGING WINDS AND HAIL IN THE STRONGER STORMS.

   AVIATION...A FEW SEVERE THUNDERSTORMS 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 450. MEAN STORM
   MOTION VECTOR 30035.


   ...HART
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Page last modified: July 14, 2014
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