

454 

WWUS20 KWNS 031016

SEL9

SPC WW 031016

OKZ000-TXZ000-031600-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 69

NWS Storm Prediction Center Norman OK

520 AM CDT Thu May 3 2018



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  southern Oklahoma

  north Texas



* Effective this Thursday morning from 520 AM until 1100 AM 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...A line of severe thunderstorms will continue to develop

eastward across northwest into north Texas, and across the Red River

into Oklahoma. Damaging winds are likely, with a brief tornado or

two possible.



The severe thunderstorm watch area is approximately along and 85

statute miles east and west of a line from 45 miles south southeast

of Wichita Falls TX to 40 miles north northwest of Ardmore OK. 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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 68...



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

25545.



...Jewell

