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WWUS20 KWNS 151755

SEL4

SPC WW 151755

NCZ000-SCZ000-CWZ000-152300-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 274

NWS Storm Prediction Center Norman OK

200 PM EDT Tue Jun 15 2021



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Southern to eastern North Carolina

  Central to eastern South Carolina

  Coastal Waters



* Effective this Tuesday afternoon and evening from 200 PM until

  700 PM EDT.



* Primary threats include...

  Scattered damaging winds and isolated significant gusts to 75

    mph possible

  Isolated very large hail events to 2 inches in diameter possible



SUMMARY...Multiple supercells may consolidate into one or more

clusters towards the Carolina Coast this afternoon.



The severe thunderstorm watch area is approximately along and 55

statute miles north and south of a line from 5 miles north northeast

of Cape Hatteras NC to 20 miles southwest of Orangeburg SC. 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.



&&



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

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

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

29030.



...Grams

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