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WWUS20 KWNS 042136

SEL5

SPC WW 042136

OKZ000-050300-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 165

NWS Storm Prediction Center Norman OK

440 PM CDT Mon May 4 2020



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Parts of central and south central Oklahoma



* Effective this Monday afternoon and evening from 440 PM until

  1000 PM CDT.



* Primary threats include...

  Scattered large hail and isolated very large hail events to 3

    inches in diameter likely

  Scattered damaging wind gusts to 70 mph likely

  A tornado or two possible



SUMMARY...Rapid thunderstorm development appears to be underway

along a cold front moving southeastward into central Oklahoma.  The

storm environment will favor a mix of line segments and supercells,

with a tendency for storms to back-build southwestward along the

front into south central Oklahoma this evening.  Any embedded

supercells will pose a threat for very large hail, while damaging

winds will be possible as storms grow upscale this evening into a

more linear structure.  An isolated tornado cannot be ruled out,

mainly in the early phase of the most intense developing storms on

the front.



The severe thunderstorm watch area is approximately along and 45

statute miles north and south of a line from 45 miles south of

Chickasha OK to 50 miles north northeast of Durant OK. For a

complete depiction of the watch see the associated watch outline

update (WOUS64 KWNS WOU5).



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 163...WW 164...



AVIATION...A few severe thunderstorms with hail surface and aloft to

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

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

32020.



...Thompson

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