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Tornado Watch 309
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WW0309 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Moderate Moderate
Severe Wind 65 kt+ Wind
Moderate Moderate
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.
   SEL9
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 309
   NWS STORM PREDICTION CENTER NORMAN OK
   740 PM EDT FRI MAY 15 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          PARTS OF CENTRAL AND NORTHERN INDIANA
          WEST CENTRAL AND SOUTHWEST OHIO
   
   EFFECTIVE THIS FRIDAY NIGHT AND SATURDAY MORNING FROM 740 PM
   UNTIL 200 AM EDT.
   
   TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND
   GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
   AREAS.
   
   THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 65 STATUTE
   MILES NORTH AND SOUTH OF A LINE FROM 25 MILES WEST SOUTHWEST OF
   LAFAYETTE INDIANA TO 40 MILES EAST NORTHEAST OF DAYTON OHIO.  FOR
   A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
   OUTLINE UPDATE (WOUS64 KWNS WOU9).
   
   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 305...WW 306...WW
   307...WW 308...
   
   DISCUSSION...STRONG/SEVERE STORMS CONTINUE MOVING EWD ACROSS IL
   INVOF W-E WARM FRONT...WHILE ADDITIONAL CELLS CONTINUE TO INTENSIFY
   AS THEY SPREAD NWD ACROSS SRN INDIANA AND SOUTHWEST OHIO.  FAVORABLE
   DEEP-LAYER SHEAR EITHER SIDE OF THE WARM FRONT -- AND ENHANCED
   LOW-LEVEL SHEAR NEAR THE BOUNDARY -- ALONG WITH FAVORABLY-UNSTABLE
   ENVIRONMENT SUGGESTS THAT THE THREATS FOR DAMAGING WINDS AND LARGE
   HAIL WILL CONTINUE....ALONG WITH THE POSSIBILITY OF ISOLATED
   TORNADOES.
   
   AVIATION...TORNADOES AND 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 23035.
   
   
   ...GOSS
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