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963 

WWUS20 KWNS 012322

SEL5

SPC WW 012322

NEZ000-SDZ000-020600-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 485

NWS Storm Prediction Center Norman OK

525 PM MDT Wed Sep 1 2021



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Western Nebraska

  Southwest and Central South Dakota



* Effective this Wednesday afternoon from 525 PM until Midnight

  MDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph possible

  Scattered large hail events to 1.5 inches in diameter possible

  A tornado or two possible



SUMMARY...Thunderstorms are expected to increase in coverage and

intensity this evening from the Nebraska Panhandle/northwest

Nebraska northeastward into southwest/central South Dakota.

Instances of large hail and damaging winds will be possible.



The severe thunderstorm watch area is approximately along and 65

statute miles east and west of a line from 30 miles south southwest

of Alliance NE to 55 miles east northeast of Philip 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 483...WW 484...



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

23020.



...Guyer

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