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Severe Thunderstorm Watch 110
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WW0110 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Moderate 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.
   SEL0
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 110
   NWS STORM PREDICTION CENTER NORMAN OK
   355 PM CDT THU APR 2 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          EASTERN ARKANSAS
          EXTREME NORTHEAST LOUISIANA
          NORTHWEST MISSISSIPPI
   
   EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 355 PM UNTIL
   900 PM 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 60
   STATUTE MILES EAST AND WEST OF A LINE FROM 55 MILES NORTHEAST OF
   LITTLE ROCK ARKANSAS TO 60 MILES SOUTH SOUTHWEST OF GREENWOOD
   MISSISSIPPI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).
   
   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...THIS SEVERE THUNDERSTORM WATCH REPLACES
   TORNADO WATCH NUMBER 105. WATCH NUMBER 105 WILL NOT BE IN EFFECT
   AFTER 355 PM CDT. CONTINUE...WW 107...WW 108...WW 109...
   
   DISCUSSION...A SMALL ARC OF LOW-TOPPED STORMS WILL LIKELY INCREASE A
   LITTLE IN COVERAGE/INTENSITY AS THE SYNOPTIC CYCLONE MOVES EWD FROM
   CENTRAL AR TOWARD NW MS THIS EVENING.  A NARROW CORRIDOR OF SURFACE
   HEATING IN THE WAKE OF EARLIER STORMS...AND STEEP LAPSE RATES NEAR
   THE MID LEVEL COLD CORE...WILL SUPPORT SUFFICIENTLY STRONG UPDRAFTS
   FOR AT LEAST ISOLATED LARGE HAIL.  THERE WILL ALSO BE SOME THREAT
   FOR SMALL SUPERCELLS WITHIN THE ARC OF STORMS...GIVEN SOME RESPONSE
   IN THE LOW-LEVEL FLOW TO PRESSURE FALLS...AND DEEP LAYER VERTICAL
   SHEAR BENEATH THE CYCLONIC SIDE OF THE MID LEVEL JET.
   
   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 400. MEAN STORM
   MOTION VECTOR 25035.
   
   
   ...THOMPSON
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Page last modified: April 03, 2009
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