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Tornado Watch 374
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WW0374 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Moderate Moderate
Severe Wind 65 kt+ Wind
Moderate Moderate
Severe Hail 2"+ Hail
High High

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
   TORNADO WATCH NUMBER 374
   NWS STORM PREDICTION CENTER NORMAN OK
   320 PM CDT WED MAY 25 2011
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          SOUTHERN ARKANSAS
          NORTHERN LOUISIANA
          NORTHWEST MISSISSIPPI
          EASTERN TEXAS
   
   EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 320 PM UNTIL
   1100 PM CDT.
   
   TORNADOES...HAIL TO 3 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 85 STATUTE
   MILES EAST AND WEST OF A LINE FROM 30 MILES NORTH OF MONTICELLO
   ARKANSAS TO 5 MILES EAST SOUTHEAST OF LUFKIN TEXAS.  FOR A
   COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
   UPDATE (WOUS64 KWNS WOU4).
   
   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 368...WW 369...WW
   370...WW 371...WW 372...WW 373...
   
   DISCUSSION...TSTM DEVELOPMENT IS EXPECTED WITHIN THE NEXT ONE TO TWO
   HOURS ALONG COLD FRONT OVER SWRN AR/NERN TX AS WELL AS FARTHER E
   WITHIN OPEN WARM SECTOR.  AIR MASS IS EXTREMELY UNSTABLE THIS
   AFTERNOON OWING TO A HOT AND VERY MOIST BOUNDARY LAYER WITH MLCAPE
   VALUES OF 3000-3500 J/KG.  WHEN COUPLED WITH 40-50 KT OF DEEP WLY
   SHEAR...SETUP WILL FAVOR THE DEVELOPMENT OF SUPERCELLS CAPABLE OF
   VERY LARGE HAIL.  A FEW TORNADOES WILL ALSO BE POSSIBLE OWING TO AN
   ENHANCED BAND OF SWLY WINDS ASSOCIATED WITH THE SRN EXTENSION OF
   LLJ.
   
   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
   WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
   600. MEAN STORM MOTION VECTOR 27030.
   
   
   ...MEAD
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Page last modified: May 26, 2011
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