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WWUS20 KWNS 112002

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URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 164

NWS Storm Prediction Center Norman OK

305 PM CDT Tue May 11 2021



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Parts of east central and southeast Texas



* Effective this Tuesday afternoon and evening from 305 PM until

  900 PM CDT.



* Primary threats include...

  Scattered large hail and isolated very large hail events to 2

    inches in diameter possible

  Scattered damaging wind gusts to 70 mph possible

  A tornado or two possible



SUMMARY...Isolated supercells along a surface front may persist for

another couple of hours, prior to outflow from central Texas

convection overtaking the front and leading to additional storm

development and intensification.  An brief tornado or two may occur

in the short term, but large hail and damaging winds will be the

main threats through the afternoon/evening as storm coverage

increases.



The severe thunderstorm watch area is approximately along and 55

statute miles east and west of a line from 45 miles north northwest

of Lufkin TX to 35 miles southeast of College Station TX. For a

complete depiction of the watch see the associated watch outline

update (WOUS64 KWNS WOU4).



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

few cumulonimbi with maximum tops to 550. Mean storm motion vector

27025.



...Thompson

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