

332 

WWUS20 KWNS 202059

SEL4

SPC WW 202059

IAZ000-ILZ000-KSZ000-MOZ000-210400-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 294

NWS Storm Prediction Center Norman OK

400 PM CDT Sun Jun 20 2021



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Southern Iowa

  West Central Illinois

  Northeast Kansas

  Northern Missouri



* Effective this Sunday afternoon and evening from 400 PM until

  1100 PM CDT.



* Primary threats include...

  Scattered large hail and isolated very large hail events to 2

    inches in diameter likely

  Scattered damaging wind gusts to 70 mph likely

  A tornado or two possible



SUMMARY...Thunderstorms will continue to develop along a cold front

extending across western Iowa into northwest Missouri.  These storms

will track eastward across the watch through the evening, posing a

risk of damaging wind gusts and hail.



The severe thunderstorm watch area is approximately along and 80

statute miles east and west of a line from 45 miles north of Cedar

Rapids IA to 25 miles east of Kansas City MO. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU4).



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 293...



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

28030.



...Hart

