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WWUS20 KWNS 221913

SEL7

SPC WW 221913

NCZ000-VAZ000-CWZ000-230100-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 157

NWS Storm Prediction Center Norman OK

305 PM EDT Sat Apr 22 2017



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Northern North Carolina

  Southern Virginia





* Effective this Saturday afternoon and evening from 305 PM until

  900 PM EDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph possible

  Isolated large hail events to 1.5 inches in diameter possible

  A tornado or two possible



SUMMARY...A line of strong storms is moving eastward into south

central Virginia and northwest North Carolina, while new storms are

developing in advance of the squall line.  Storms are expected to

gradually intensify and produce a threat for damaging wind gusts and

large hail.



The severe thunderstorm watch area is approximately along and 80

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

of South Hill VA to 40 miles south of Danville VA. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU7).



PRECAUTIONARY/PREPAREDNESS ACTIONS...







&&



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

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

few cumulonimbi with maximum tops to 450. Mean storm motion vector

26030.



...Weiss

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