Severe Local Storm Watch and Watch Cancellation Msg
Issued by NWS

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WWUS20 KWNS 211922
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URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 502
NWS Storm Prediction Center Norman OK
225 PM CDT Sat Oct 21 2017

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of
  Eastern Kansas
  Northwestern Missouri

* Effective this Saturday afternoon and evening from 225 PM until
  1000 PM CDT.

* Primary threats include...
  Scattered damaging wind gusts to 70 mph possible
  Isolated large hail events to 1.5 inches in diameter possible
  A tornado or two possible

SUMMARY...Thunderstorms will increase in coverage and intensity
through late afternoon along and immediately ahead of a cold front.
The stronger storms initially could pose a large hail threat, though
storm mergers should lead to the formation of a squall line with
damaging winds by this evening.  An isolated tornado could occur
with embedded circulations in the line.

The severe thunderstorm watch area is approximately along and 70
statute miles east and west of a line from 55 miles north northwest
of Chillicothe MO to 50 miles south southeast of Wichita KS. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU2).

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.

&&

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
23040.

...Thompson



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