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Severe Thunderstorm Watch 633
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WW0633 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
High Moderate
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.
   SEL3
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 633
   NWS STORM PREDICTION CENTER NORMAN OK
   810 PM CDT FRI SEP 7 2012
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          EASTERN ARKANSAS
          SOUTHEAST INDIANA
          CENTRAL KENTUCKY
          NORTHERN MISSISSIPPI
          CENTRAL AND SOUTHERN OHIO
          MIDDLE AND WEST TENNESSEE
   
   EFFECTIVE THIS FRIDAY NIGHT AND SATURDAY MORNING FROM 810 PM
   UNTIL 200 AM CDT.
   
   HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
   MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
   
   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 90
   STATUTE MILES EAST AND WEST OF A LINE FROM 35 MILES WEST
   NORTHWEST OF COLUMBUS OHIO TO 20 MILES SOUTHWEST OF OXFORD
   MISSISSIPPI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).
   
   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 630...WW 631...WW 632...
   
   DISCUSSION...A LARGE SQUALL LINE EXTENDS FROM CENTRAL IND
   SOUTHWESTWARD INTO CENTRAL AR.  SEVERAL EMBEDDED BOWING STRUCTURES
   ALONG THE LINE ARE POSING A RISK OF LOCALLY DAMAGING WINDS.  STRONG
   INSTABILITY AHEAD OF THE LINE...COUPLED WITH THE APPROACHING UPPER
   TROUGH WILL MAINTAIN A RISK OF GUSTY/DAMAGING WINDS AND HAIL IN THE
   STRONGER STORMS FOR SEVERAL MORE HOURS.
   
   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 500. MEAN STORM
   MOTION VECTOR 29035.
   
   
   ...HART
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Page last modified: September 08, 2012
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