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649 

WWUS20 KWNS 260010

SEL6

SPC WW 260010

IAZ000-ILZ000-MOZ000-260500-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 246

NWS Storm Prediction Center Norman OK

715 PM CDT Sat May 25 2019



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Southeast Iowa

  West-central and northwest Illinois

  Northeast Missouri



* Effective this Saturday night from 715 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 65 mph possible

  A tornado or two possible



SUMMARY...Splitting discrete cells will pose a threat for primarily

large hail this evening as they develop east from north-central

Missouri.



The severe thunderstorm watch area is approximately along and 70

statute miles north and south of a line from 65 miles west southwest

of Burlington IA to 60 miles east southeast of Burlington IA. For a

complete depiction of the watch see the associated watch outline

update (WOUS64 KWNS WOU6).



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 238...WW 240...WW

241...WW 242...WW 243...WW 244...WW 245...



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

2 inches. Extreme turbulence and surface wind gusts to 55 knots. A

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

28030.



...Grams

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