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613 

WWUS20 KWNS 130057

SEL6

SPC WW 130057

NEZ000-130700-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 506

NWS Storm Prediction Center Norman OK

700 PM MDT Fri Jul 12 2019



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  West Central Nebraska



* Effective this Friday night and Saturday morning from 700 PM

  until 100 AM MDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph possible

  Isolated large hail events to 1.5 inches in diameter possible



SUMMARY...Thunderstorms will spread eastward across the watch area

this evening into an extremely unstable air mass.  Storm mergers may

result in a few severe storms capable of damaging wind gusts and

hail.



The severe thunderstorm watch area is approximately along and 50

statute miles east and west of a line from 5 miles west of Mullen NE

to 25 miles east southeast of Imperial NE. For a complete depiction

of the watch see the associated watch outline update (WOUS64 KWNS

WOU6).



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 60 knots. A

few cumulonimbi with maximum tops to 500. Mean storm motion vector

25025.



...Hart

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