

430 

WWUS20 KWNS 022155

SEL0

SPC WW 022155

NEZ000-SDZ000-030500-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 320

NWS Storm Prediction Center Norman OK

500 PM CDT Sun Jun 2 2019



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Western Nebraska

  Far southwestern South Dakota



* Effective this Sunday afternoon from 500 PM until Midnight CDT.



* Primary threats include...

  Scattered large hail and isolated very large hail events to 2

    inches in diameter possible

  Isolated damaging wind gusts to 70 mph possible



SUMMARY...A lone, long-lived supercell near the Black Hills has

recently weakened, but several other storms will develop to its east

and southwest. A southeastward-moving cluster is anticipated this

evening with a mix of severe hail and wind possible.



The severe thunderstorm watch area is approximately along and 75

statute miles east and west of a line from 70 miles west of North

Platte NE to 65 miles northeast of Chadron NE. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU0).



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 315...WW 316...WW

317...WW 318...WW 319...



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

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

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

30025.



...Grams

