

532 

WWUS20 KWNS 181832

SEL7

SPC WW 181832

ARZ000-MOZ000-TNZ000-190100-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 517

NWS Storm Prediction Center Norman OK

1235 PM CST Sat Nov 18 2017



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Northeast Arkansas

  Missouri Bootheel

  Western and Middle Tennessee



* Effective this Saturday afternoon and evening from 1235 PM

  until 700 PM CST.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph likely

  Isolated large hail events to 1.5 inches in diameter possible

  A tornado or two possible



SUMMARY...Thunderstorms are intensifying over eastern Arkansas, and

will track eastward across the watch area this afternoon and early

evening.  Damaging winds will be the primary threat, although the

strongest storms may produce hail or an isolated tornado.



The severe thunderstorm watch area is approximately along and 145

statute miles east and west of a line from 55 miles northwest of

Nashville TN to 60 miles southeast of Jackson TN. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU7).



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 516...



AVIATION...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 400. Mean storm motion vector

27040.



...Hart

