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WWUS20 KWNS 091422

SEL7

SPC WW 091422

OKZ000-091800-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 347

NWS Storm Prediction Center Norman OK

925 AM CDT Sun Jun 9 2019



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  South central Oklahoma



* Effective this Sunday morning and afternoon from 925 AM until

  100 PM CDT.



* Primary threats include...

  Scattered damaging winds and isolated significant gusts to 75

    mph possible

  Scattered large hail events to 1.5 inches in diameter possible



SUMMARY...A small convective system, though initially elevated, is

producing a substantial cold pool and downdraft with damaging gusts,

as well as large hail.  The storm environment could support the

storms persisting at least to the Red River through midday.



The severe thunderstorm watch area is approximately along and 60

statute miles east and west of a line from 55 miles north northwest

of Ardmore OK to 35 miles south southwest of Ardmore OK. For a

complete depiction of the watch see the associated watch outline

update (WOUS64 KWNS WOU7).



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

1.5 inches. Extreme turbulence and surface wind gusts to 65 knots. A

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

33035.



...Thompson

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