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Tornado Watch 139
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WW0139 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Moderate Low
Severe Wind 65 kt+ Wind
High Low
Severe Hail 2"+ Hail
Moderate Very 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.
   SEL9
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 139
   NWS STORM PREDICTION CENTER NORMAN OK
   220 AM CDT FRI APR 15 2011
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          EASTERN AND SOUTHERN ARKANSAS
          NORTHERN LOUISIANA
          THE MISSOURI BOOTHEEL
          WESTERN AND NORTHERN MISSISSIPPI
          WEST TENNESSEE
          NORTHEAST TEXAS
   
   EFFECTIVE THIS FRIDAY MORNING FROM 220 AM UNTIL 1000 AM 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 105 STATUTE
   MILES EAST AND WEST OF A LINE FROM 40 MILES NORTH NORTHWEST OF
   DYERSBURG TENNESSEE TO 15 MILES SOUTH SOUTHEAST OF NATCHITOCHES
   LOUISIANA.  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...THIS TORNADO WATCH REPLACES TORNADO
   WATCH NUMBER 136...SEVERE THUNDERSTORM WATCH NUMBER 138. WATCH
   NUMBER 136 138 WILL NOT BE IN EFFECT AFTER 220 AM CDT. 
   
   DISCUSSION...AR/NW LA/NE TX QLCS WITH EMBEDDED SUPERCELLS/LEWPS
   EXPECTED TO CONTINUE GENERALLY EWD AT 40 KTS THROUGH MID
   MORNING...WITH SOME DECELERATION/BREAK-UP POSSIBLE TOWARD/AFTER
   SUNRISE.  AHEAD OF THE SQLN...MORE ISOLD...SLIGHTLY ELEVATED STORMS
   MAY CONTINUE TO FORM IN WAA ZONE OVER NRN MS/NEAR/W TN.  OTHER ISOLD
   STORMS...PERHAPS SFC-BASED...MAY FORM IN MOISTENING 50+ KT CONFLUENT
   LOW-LVL FLOW OVER CNTRL MS.  STRENGTH OF LOW-LVL AND DEEP
   SHEAR...DEGREE OF FORCING FOR ASCENT...AND PRESENCE OF EXISTING
   SUSTAINED STORMS SUGGEST CONTINUED LIKELIHOOD FOR SVR SFC
   WINDS...ISOLD TORNADOES...AND POSSIBLY SVR HAIL.
   
   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
   500. MEAN STORM MOTION VECTOR 26040.
   
   
   ...CORFIDI
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Page last modified: April 15, 2011
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