

991 

WWUS20 KWNS 030407

SEL8

SPC WW 030407

ARZ000-ILZ000-KSZ000-MOZ000-031200-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 68

NWS Storm Prediction Center Norman OK

1110 PM CDT Wed May 2 2018



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Northwestern and extreme northern Arkansas

  Western Illinois

  Extreme southeastern Kansas

  Southwestern through eastern Missouri



* Effective this Wednesday night and Thursday morning from 1110

  PM until 700 AM CDT.



* Primary threats include...

  Scattered damaging winds likely with isolated significant gusts

    to 75 mph possible

  Isolated large hail events to 1.5 inches in diameter possible

  A tornado or two possible



SUMMARY...Two complexes of severe thunderstorms should maintain some

damaging-wind threat as they move through the watch area -- the

first over western through north-central MO moving eastward, the

second over eastern OK moving northeastward.  See SPC mesoscale

discussion 327 for initial meteorological details.



The severe thunderstorm watch area is approximately along and 115

statute miles north and south of a line from 40 miles southwest of

Monett MO to 10 miles east southeast of Saint Louis MO. For a

complete depiction of the watch see the associated watch outline

update (WOUS64 KWNS WOU8).



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 64...WW 65...WW 66...WW

67...



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE and ALOFT

TO 1.5 INCHES. EXTREME TURBULENCE and SURFACE WIND GUSTS TO 65

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 24040.





...Edwards

