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WWUS20 KWNS 261744

SEL3

SPC WW 261744

ILZ000-MOZ000-270000-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 163

NWS Storm Prediction Center Norman OK

1245 PM CDT Wed Apr 26 2017



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Southern Illinois

  Southeast Missouri



* Effective this Wednesday afternoon and evening from 1245 PM

  until 700 PM CDT.



* Primary threats include...

  Scattered large hail and isolated very large hail events to 2

    inches in diameter possible

  Scattered damaging wind gusts to 70 mph possible



SUMMARY...A line of thunderstorms over southeast MO will likely

intensify and track northeastward across the watch area.  Damaging

winds and hail will be the main threats with these storms.



The severe thunderstorm watch area is approximately along and 40

statute miles east and west of a line from 40 miles north northeast

of Salem IL to 25 miles south of Poplar Bluff MO. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU3).



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 161...WW 162...



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 450. Mean storm motion vector

24030.



...Hart

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