

388 

WWUS20 KWNS 290032

SEL4

SPC WW 290032

TXZ000-290800-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 24

NWS Storm Prediction Center Norman OK

735 PM CDT Wed Mar 28 2018



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  South Texas



* Effective this Wednesday night and Thursday morning from 735 PM

  until 300 AM 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



SUMMARY...Isolated storms including a few supercells may continue to

increase this evening into far South Texas, while a greater coverage

of storms is expected later this evening into the overnight across

remaining portions of the region. Large hail and locally damaging

winds are the primary risks.



The severe thunderstorm watch area is approximately along and 60

statute miles east and west of a line from 35 miles north of

Beeville TX to 15 miles southwest of Mcallen 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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 22...WW 23...



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 550. Mean storm motion vector

24025.



...Guyer

