

521 

WWUS20 KWNS 082252

SEL1

SPC WW 082252

ALZ000-GAZ000-NCZ000-TNZ000-090600-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 31

NWS Storm Prediction Center Norman OK

455 PM CST Wed Feb 8 2017



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Northern Alabama

  Northwest Georgia

  Far western North Carolina

  Middle and eastern Tennessee



* Effective this Wednesday afternoon from 455 PM until Midnight

  CST.



* Primary threats include...

  Isolated damaging wind gusts to 70 mph possible

  Isolated large hail events to 1.5 inches in diameter possible

  A tornado or two possible



SUMMARY...Scattered thunderstorms developing along a cold front from

middle Tennessee into northern Alabama should pose a risk for

isolated severe storms, mainly in the form of damaging winds, this

evening as they spread eastward towards the southern Appalachians.



The severe thunderstorm watch area is approximately along and 110

statute miles east and west of a line from 30 miles north of

Crossville TN to 50 miles south southeast of Huntsville AL. For a

complete depiction of the watch see the associated watch outline

update (WOUS64 KWNS WOU1).



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

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

few cumulonimbi with maximum tops to 450. Mean storm motion vector

27040.



...Grams

