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Tornado Watch 140
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WW0140 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood High Moderate
Severe Wind 65 kt+ Wind
High Low
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
   TORNADO WATCH NUMBER 140
   NWS STORM PREDICTION CENTER NORMAN OK
   735 AM CDT FRI APR 15 2011
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          WESTERN AND NORTHERN ALABAMA
          CENTRAL AND EASTERN LOUISIANA
          CENTRAL AND SOUTHERN MISSISSIPPI
   
   EFFECTIVE THIS FRIDAY MORNING AND AFTERNOON FROM 735 AM UNTIL 300
   PM CDT.
   
   TORNADOES...HAIL TO 2 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 95 STATUTE
   MILES EAST AND WEST OF A LINE FROM 25 MILES NORTHEAST OF MUSCLE
   SHOALS ALABAMA TO 45 MILES SOUTH OF NATCHEZ MISSISSIPPI.  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 139...
   
   DISCUSSION...NE-SW MS/LA SQLN EXPECTED TO CONTINUE GENERALLY EWD
   THROUGH EARLY AFTERNOON.  SYSTEM MAY BREAK INTO MORE SEMI-DISCRETE
   STORMS/LINE SEGMENTS...AND ADDITIONAL STORMS MAY FORM IN
   CONFLUENT/MOISTENING LOW-LVL FLOW AHEAD OF LINE...AS SFC HEATING
   FURTHER DESTABILIZES REGION.  12Z KJAN SOUNDING AND UPSTREAM WIND
   PROFILES SUGGEST WW AREA WILL HAVE THERMODYNAMIC AND WIND
   ENVIRONMENT SUPPORTIVE OF SUSTAINED SUPERCELLS AND LEWPS.  THESE MAY
   YIELD A COUPLE STRONG TORNADOES...IN ADDITION TO DMGG WIND AND HAIL.
   STORMS IN NRN AL MAY REMAIN SLIGHTLY ELEVATED...BUT WILL STILL HAVE
   THE POTENTIAL TO PRODUCE LOCALLY DMGG WIND AND PERHAPS ISOLD
   TORNADOES.
   
   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
   WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
   550. MEAN STORM MOTION VECTOR 25040.
   
   
   ...CORFIDI
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Page last modified: April 15, 2011
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