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Tornado Watch 180
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WW0180 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Moderate Low
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.
   SEL0
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 180
   NWS STORM PREDICTION CENTER NORMAN OK
   445 PM CDT SUN APR 15 2012
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          WESTERN ILLINOIS
          EASTERN MISSOURI
   
   EFFECTIVE THIS SUNDAY AFTERNOON FROM 445 PM UNTIL MIDNIGHT CDT.
   
   TORNADOES...HAIL TO 1.5 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 60 STATUTE
   MILES EAST AND WEST OF A LINE FROM 40 MILES EAST SOUTHEAST OF
   WEST PLAINS MISSOURI TO 20 MILES NORTH NORTHEAST OF QUINCY
   ILLINOIS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).
   
   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 177...WW 178...WW 179...
   
   DISCUSSION...TSTMS IN PROGRESS OVER CNTRL MO ARE EXPECTED TO
   INTENSIFY AS LARGE-SCALE FORCING FOR ASCENT INCREASES ACROSS THE
   REGION THIS EVENING.  WHILE INSTABILITY WILL REMAIN MARGINAL WITH
   MLCAPE OF GENERALLY LESS 500 J/KG...THE PRESENCE OF STRONG VERTICAL
   SHEAR AND INCREASED FORCING FOR ASCENT INDICATE A RISK OF EMBEDDED
   SUPERCELLS AND BOWING STRUCTURES CAPABLE OF DAMAGING WINDS AND A
   COUPLE OF TORNADOES.
   
   AVIATION...TORNADOES AND 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 22040.
   
   
   ...MEAD
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Page last modified: April 16, 2012
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