

957 

WWUS20 KWNS 172136

SEL5

SPC WW 172136

NEZ000-SDZ000-180500-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 175

NWS Storm Prediction Center Norman OK

440 PM CDT Fri May 17 2019



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Northern Nebraska

  Southern South Dakota



* Effective this Friday afternoon from 440 PM until Midnight CDT.



* Primary threats include...

  Widespread large hail and isolated very large hail events to 2.5

    inches in diameter likely

  Scattered damaging wind gusts to 70 mph likely

  A tornado or two possible



SUMMARY...Severe thunderstorms capable of large hail will track

northward across the watch area this evening.



The severe thunderstorm watch area is approximately along and 60

statute miles north and south of a line from 110 miles west of

Valentine NE to 25 miles east of Mitchell SD. 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 171...WW 172...WW

173...WW 174...



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

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

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

23035.



...Hart

