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652 

WWUS20 KWNS 011246

SEL5

SPC WW 011246

KYZ000-TNZ000-VAZ000-WVZ000-011800-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 55

NWS Storm Prediction Center Norman OK

750 AM EST Wed Mar 1 2017



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Eastern Kentucky

  Eastern Tennessee

  Far southwest Virginia

  Southern West Virginia



* Effective this Wednesday morning and afternoon from 750 AM

  until 100 PM EST.



* Primary threats include...

  Widespread damaging winds likely with isolated significant gusts

    to 75 mph possible

  Isolated large hail events to 1 inch in diameter possible

  A tornado or two possible



SUMMARY...An organized line of severe storms will continue rapidly

eastward through the morning, with a continued risk for widespread

damaging winds.  An isolated tornado cannot be ruled out with

embedded circulations within the larger line of storms.



The severe thunderstorm watch area is approximately along and 65

statute miles east and west of a line from 70 miles northeast of

Jackson KY to 35 miles south southwest of Knoxville TN. For a

complete depiction of the watch see the associated watch outline

update (WOUS64 KWNS WOU5).



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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 52...WW 53...WW 54...



AVIATION...A few severe thunderstorms with hail surface and aloft to

1 inch. Extreme turbulence and surface wind gusts to 65 knots. A few

cumulonimbi with maximum tops to 450. Mean storm motion vector

26060.



...Thompson

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