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Tornado Watch 118
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WW0118 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Moderate Low
Severe Wind 65 kt+ Wind
Moderate 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.
   SEL8

   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 118
   NWS STORM PREDICTION CENTER NORMAN OK
   355 PM CDT TUE APR 29 2014

   THE NWS STORM PREDICTION CENTER HAS ISSUED A

   * TORNADO WATCH FOR PORTIONS OF 
     CENTRAL AND NORTHERN ALABAMA
     A SMALL PART OF SOUTHERN MIDDLE TENNESSEE

   * EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 355 PM UNTIL
     1000 PM CDT.

   * PRIMARY THREATS INCLUDE...
     A COUPLE TORNADOES POSSIBLE
     ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
     ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE

   THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 75 STATUTE
   MILES NORTH AND SOUTH OF A LINE FROM 40 MILES WEST NORTHWEST OF
   TUSCALOOSA ALABAMA TO 30 MILES NORTHEAST OF GADSDEN ALABAMA.  FOR
   A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
   OUTLINE UPDATE (WOUS64 KWNS WOU8).

   PRECAUTIONARY/PREPAREDNESS ACTIONS...

   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 116...WW 117...

   DISCUSSION...SCATTERED THUNDERSTORMS HAVE DEVELOPED ALONG THE WIND
   SHIFT ACROSS CENTRAL/NRN MS...IN CONJUNCTION WITH AN EJECTING
   MID-UPPER JET STREAK.  RECOVERY FROM THE MORNING MCS HAS BEEN SLOWED
   BY CONTINUED STORM DEVELOPMENT ALONG THE GULF COAST...AND LAPSE
   RATES ALOFT REMAIN RELATIVELY POOR PER 18Z BMX AND 20Z UAH
   SOUNDINGS.  ADDITIONALLY...THE WIND PROFILES ARE CHARACTERIZED BY
   MODEST LOW-LEVEL SHEAR AND VERY STRONG SPEED SHEAR ALOFT...IN THE
   ZONE OF POOR LAPSE RATES.  THERE ARE A FEW CONCERNS REGARDING ANY
   HIGHER-END SEVERE WEATHER THREAT...BUT STILL SOME POTENTIAL FOR
   SUPERCELLS AND/OR EVOLUTION OF STORMS INTO A CLUSTER LATER.  A
   COUPLE OF TORNADOES ARE STILL POSSIBLE...ALONG WITH LARGE HAIL AND
   DAMAGING WINDS.

   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 25035.


   ...THOMPSON
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Page last modified: April 30, 2014
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