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WWUS20 KWNS 090153

SEL5

SPC WW 090153

COZ000-KSZ000-NEZ000-090800-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 345

NWS Storm Prediction Center Norman OK

855 PM CDT Sat Jun 8 2019



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  East-central Colorado

  Northern and western Kansas

  Southern Nebraska



* Effective this Saturday night and Sunday morning from 855 PM

  until 300 AM CDT.



* Primary threats include...

  Scattered damaging winds likely with isolated significant gusts

    to 80 mph possible

  Scattered large hail and isolated very large hail events to 2.5

    inches in diameter possible

  A tornado or two possible



SUMMARY...Multiple supercells and clusters will likely pose a threat

for isolated significant severe hail and wind this evening. This

activity should consolidate into a large MCS that moves southeast

overnight with primarily a severe wind threat across parts of

western and northern Kansas.



The severe thunderstorm watch area is approximately along and 60

statute miles north and south of a line from 35 miles southeast of

Hastings NE to 25 miles west southwest of Burlington CO. 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 343...WW 344...



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

2.5 inches. Extreme turbulence and surface wind gusts to 70 knots. A

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

29030.



...Grams

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