####018001925####
WWUS20 KWNS 140939

SEL0  

SPC WW 140939

ILZ000-MOZ000-141700-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 40

NWS Storm Prediction Center Norman OK

440 AM CDT Thu Mar 14 2024



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of 

  Central and south-central Illinois

  Central and eastern Missouri



* Effective this Thursday morning from 440 AM until NOON CDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph likely

  Isolated very large hail events to 2 inches in diameter possible



SUMMARY...A line of strong-severe thunderstorms initially over

central/southwestern MO is expected to continue moving rapidly

east-northeastward through the rest of this morning. Accompanying

threats for severe gusts and isolated large hail will include the

St. Louis metro and vicinity, and parts of IL.



The severe thunderstorm watch area is approximately along and 60

statute miles north and south of a line from 60 miles west northwest

of Fort Leonard Wood MO to 40 miles east of Mattoon IL. 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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 38...WW 39...



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 500. Mean storm motion vector

26045.



...Edwards