Tuesday, March 21, 2017

SEVERE THUNDERSTORM WATCH IN EFFECT

 URGENT - IMMEDIATE BROADCAST REQUESTED
   Severe Thunderstorm Watch Number 76
   NWS Storm Prediction Center Norman OK
   330 PM EDT Tue Mar 21 2017

   The NWS Storm Prediction Center has issued a

   * Severe Thunderstorm Watch for portions of 
     Northern Alabama
     Northern Georgia
     Western North Carolina
     Western South Carolina
     Middle and Southeast Tennessee

   * Effective this Tuesday afternoon and evening from 330 PM until
     1100 PM EDT.

   * Primary threats include...
     Widespread large hail likely with isolated very large hail
       events to 2 inches in diameter possible
     Scattered damaging wind gusts to 70 mph likely

   SUMMARY...Strong to severe Thunderstorms are expected to develop
   across the watch area this afternoon and spread southeastward
   through the early evening.  Large hail is the main threat, but an
   increasing risk of damaging winds will also develop by late
   afternoon.

   The severe thunderstorm watch area is approximately along and 65
   statute miles north and south of a line from 60 miles south
   southwest of Clarksville TN to 20 miles southeast of Anderson SC.
   For a complete depiction of the watch see the associated watch
   outline update (WOUS64 KWNS WOU6).

   PRECAUTIONARY/PREPAREDNESS ACTIONS...

   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.

   &&

   AVIATION...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 450. Mean storm motion vector
   28030.

   ...Hart
 
 

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