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Severe Thunderstorm Watch 194
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WW0194 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Low
Severe Wind 65 kt+ Wind
Moderate Very 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.
   SEL4
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 194
   NWS STORM PREDICTION CENTER NORMAN OK
   635 PM CDT MON MAY 20 2013
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   
   * SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
     CENTRAL AND EASTERN IOWA
     A SMALL PART OF WESTERN ILLINOIS
   
   * EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 635 PM
     UNTIL 100 AM CDT.
   
   * PRIMARY THREATS INCLUDE...
     NUMEROUS LARGE HAIL EVENTS LIKELY WITH A FEW VERY LARGE HAIL
       EVENTS TO 2 INCHES IN DIAMETER POSSIBLE
     SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
     A FEW TORNADOES POSSIBLE
   
   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 75
   STATUTE MILES EAST AND WEST OF A LINE FROM 15 MILES EAST
   NORTHEAST OF WATERLOO IOWA TO 40 MILES SOUTH SOUTHWEST OF OTTUMWA
   IOWA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED
   WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4).
   
   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 189...WW 190...WW
   191...WW 192...WW 193...
   
   DISCUSSION...TSTMS EXPECTED TO INCREASE ALONG SSW-NNE COLD FRONT
   PROGRESSING SLOWLY E ACROSS CNTRL IA. OTHER STORMS MAY SPREAD NEWD
   INTO SE IA/FAR WRN IL ON NRN FRINGE OF NE MO STORM CLUSTER. AMPLE
   SHEAR WILL EXIST FOR SUSTAINED STORMS/SUPERCELLS POSING A RISK FOR
   SVR HAIL AND HIGH WIND. A CONDITIONAL RISK ALSO WILL EXIST FOR
   TORNADOES GIVEN 40+ KT 700 MB AND 50+ KT 500 MB FLOW...AND PARTS OF
   THE WW MAY REQUIRE UPGRADE TO TORNADO IF  STORMS REMAIN MORE
   DISCRETE THAN NOW EXPECTED .
   
   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 500. MEAN STORM
   MOTION VECTOR 22035.
   
   
   ...CORFIDI
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