

420 

WWUS20 KWNS 242218

SEL0

SPC WW 242218

NDZ000-250400-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 400

NWS Storm Prediction Center Norman OK

520 PM CDT Fri Jul 24 2020



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Central and eastern North Dakota



* Effective this Friday afternoon and evening from 520 PM until

  1100 PM CDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph possible

  Scattered large hail events to 1.5 inches in diameter possible



SUMMARY...Multiple clusters should develop northeast from

north-central South Dakota across parts of south-central into

eastern North Dakota through this evening. Scattered severe hail and

wind will be possible.



The severe thunderstorm watch area is approximately along and 70

statute miles east and west of a line from 65 miles southeast of

Bismarck ND to 30 miles east northeast of Devils Lake ND. 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 399...



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 550. Mean storm motion vector

23025.



...Grams

