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Tornado Watch 373
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WW0373 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood High Moderate
Severe Wind 65 kt+ Wind
High Moderate
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.
   SEL3

   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 373
   NWS STORM PREDICTION CENTER NORMAN OK
   935 AM CDT MON JUN 30 2014

   THE NWS STORM PREDICTION CENTER HAS ISSUED A

   * TORNADO WATCH FOR PORTIONS OF 
     WESTERN AND CENTRAL IOWA
     EASTERN NEBRASKA

   * EFFECTIVE THIS MONDAY MORNING AND EVENING FROM 935 AM UNTIL 600
     PM CDT.

   * PRIMARY THREATS INCLUDE...
     A FEW TORNADOES LIKELY WITH A COUPLE INTENSE TORNADOES POSSIBLE
     WIDESPREAD LARGE HAIL EXPECTED WITH ISOLATED VERY LARGE HAIL
       EVENTS TO 3 INCHES IN DIAMETER POSSIBLE
     WIDESPREAD DAMAGING WINDS LIKELY WITH ISOLATED SIGNIFICANT GUSTS
       TO 80 MPH POSSIBLE

   THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 55 STATUTE
   MILES NORTH AND SOUTH OF A LINE FROM 50 MILES WEST NORTHWEST OF
   COLUMBUS NEBRASKA TO 15 MILES NORTH NORTHEAST OF OTTUMWA IOWA. 
   FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
   OUTLINE UPDATE (WOUS64 KWNS WOU3).

   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 372...

   DISCUSSION...TSTMS EXPECTED TO CONTINUE TO FORM ALONG AND N OF
   DIFFUSE BOUNDARY EXTENDING ROUGHLY WNW-ESE FROM E CNTRL NEB INTO
   CNTRL IA...AND S OF STRONGER/LWR THETA-E BOUNDARY LOCATED FARTHER N.
   ACTIVITY WILL BE SUPPORTED BY SUSTAINED...MOIST SSW LOW-LVL FLOW
   AHEAD OF WEAK UPR IMPULSE NOW IN CNTRL NEB/NW KS...AND BY STRONG SFC
   HEATING S OF SRN-MOST BOUNDARY. GIVEN DEGREE OF BUOYANCY...40-50 KT
   700-500 MB FLOW...SETUP COULD YIELD A FEW SUPERCELLS WITH VERY LARGE
   HAIL...DMGG WIND...AND TORNADOES. SOME POTENTIAL ALSO WILL EXIST FOR
   THE DEVELOPMENT OF A BOW ECHO IN WRN PART OF WW. IF SUCH AN MCS WERE
   TO FORM...IT WOULD HAVE THE POTENTIAL FOR SOMEWHAT MORE WIDESPREAD
   DMGG WIND/HAIL THIS AFTN ESEWD INTO IA.

   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
   WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
   600. MEAN STORM MOTION VECTOR 29035.


   ...CORFIDI
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Page last modified: June 30, 2014
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