Severe Local Storm Watch and Watch Cancellation Msg
Issued by NWS

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WWUS20 KWNS 230535
SEL4
SPC WW 230535
ILZ000-MOZ000-231200-

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 434
NWS Storm Prediction Center Norman OK
1235 AM CDT Sun Jul 23 2017

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of
  Western Illinois
  Central and eastern Missouri

* Effective this Sunday morning from 1235 AM until 700 AM CDT.

* Primary threats include...
  Scattered damaging winds and isolated significant gusts to 75
    mph possible

SUMMARY...A persistent, well-organized bow echo and associated storm
complex is entering the watch area with a history of severe/damaging
winds in the KC metro.  This risk continues eastward and
east-northeastward as the activity encounters a corridor of
favorable moisture and instability extending past the Mississippi
River.

The severe thunderstorm watch area is approximately along and 60
statute miles north and south of a line from 20 miles northwest of
Columbia MO to 40 miles north northeast of Saint Louis 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 433...

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE and ALOFT
TO 1 INCH. EXTREME TURBULENCE and SURFACE WIND GUSTS TO 65 KNOTS.
A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM MOTION
VECTOR 26035.


...Edwards


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