

633 

WWUS20 KWNS 191908

SEL0

SPC WW 191908

ARZ000-ILZ000-INZ000-KYZ000-MOZ000-TNZ000-200200-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 400

NWS Storm Prediction Center Norman OK

210 PM CDT Wed Jun 19 2019



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Northeast Arkansas

  Southern Illinois

  Southwest Indiana

  Western Kentucky

  Southeast Missouri

  Northwest Tennessee



* Effective this Wednesday afternoon and evening from 210 PM

  until 900 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...Multiple clusters of storms including multicells/linear

segments and perhaps a couple of supercells (as shear continues to

increase through late afternoon/early evening) will pose a severe

risk across the region.



The severe thunderstorm watch area is approximately along and 80

statute miles north and south of a line from 15 miles south of

Poplar Bluff MO to 20 miles south southeast of Owensboro KY. For a

complete depiction of the watch see the associated watch outline

update (WOUS64 KWNS WOU0).



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

25025.



...Guyer

