

983 

WWUS20 KWNS 211931

SEL6

SPC WW 211931

ALZ000-GAZ000-NCZ000-SCZ000-TNZ000-220300-



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

