

715 

WWUS20 KWNS 171916

SEL9

SPC WW 171916

TXZ000-180400-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 9

NWS Storm Prediction Center Norman OK

220 PM CDT Sat Mar 17 2018



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  North-central and Northeast Texas



* Effective this Saturday afternoon and evening from 220 PM until

  1100 PM CDT.



* Primary threats include...

  Scattered large hail likely with isolated very large hail events

    to 3 inches in diameter possible

  Isolated damaging wind gusts to 70 mph possible

  A tornado or two possible



SUMMARY...Strong to severe thunderstorms will continue to increase

this afternoon, initially across the North-central Texas Big Country

and then spreading generally eastward toward parts of east/northeast

Texas through early evening. Large hail will be the most common

hazard. Damaging wind potential could somewhat increase later this

afternoon into evening if a semi-organized storm cluster evolves.



The severe thunderstorm watch area is approximately along and 70

statute miles north and south of a line from 30 miles south of

Abilene TX to 30 miles south of Tyler TX. 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

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

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

24025.



...Guyer

