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133 

WWUS20 KWNS 271705

SEL9

SPC WW 271705

ARZ000-KYZ000-MOZ000-MSZ000-TNZ000-280100-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 89

NWS Storm Prediction Center Norman OK

1205 PM CDT Mon Mar 27 2017



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Eastern Arkansas

  Western Kentucky

  Missouri Bootheel

  Northern Mississippi

  Western Tennessee



* Effective this Monday afternoon and evening from 1205 PM until

  800 PM CDT.



* Primary threats include...

  Scattered large hail and isolated very large hail events to 2.5

    inches in diameter possible

  Scattered damaging wind gusts to 70 mph possible

  A tornado or two possible



SUMMARY...Severe thunderstorms will continue to develop within an

increase moist and unstable air mass across the region. Mostly

linear bands of severe thunderstorms will spread east-northeastward

across northwest Tennessee into west-central Kentucky, while more

isolated storms are expected across northern Mississippi into

west-central Tennessee. Large hail and damaging winds can be

expected, and at least some tornado risk could gradually increase

through the afternoon.



The severe thunderstorm watch area is approximately along and 70

statute miles east and west of a line from 30 miles south southwest

of Oxford MS to 50 miles north northwest of Fort Campbell KY. For a

complete depiction of the watch see the associated watch outline

update (WOUS64 KWNS WOU9).



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

2.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A

few cumulonimbi with maximum tops to 500. Mean storm motion vector

25030.



...Guyer

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