

547 

WWUS20 KWNS 232334

SEL0

SPC WW 232334

TXZ000-CWZ000-240400-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 260

NWS Storm Prediction Center Norman OK

640 PM CDT Tue May 23 2017



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  South Texas

  Coastal Waters



* Effective this Tuesday evening from 640 PM until 1100 PM CDT.



* Primary threats include...

  Scattered large hail and isolated very large hail events to 2

    inches in diameter possible

  Isolated damaging wind gusts to 70 mph possible



SUMMARY...Thunderstorms over south-central Texas will track

southeastward across the watch area this evening, posing a risk of

large hail and damaging wind gusts.



The severe thunderstorm watch area is approximately along and 50

statute miles north and south of a line from 25 miles north

northwest of Laredo TX to 45 miles east northeast of Corpus Christi

TX. For a complete depiction of the watch see the associated watch

outline update (WOUS64 KWNS WOU0).



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 258...WW 259...



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 500. Mean storm motion vector

29030.



...Hart

