
WW 125 SEVERE TSTM IL KS MO 181755Z – 190100Z
 
URGENT – IMMEDIATE BROADCAST REQUESTED
 Severe Thunderstorm Watch Number 125
 NWS Storm Prediction Center Norman OK
 1255 PM CDT Thu Apr 18 2024
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
 Central and Southern Illinois
 Extreme Southeast Kansas
 Central and Southern Missouri
* Effective this Thursday afternoon and evening from 1255 PM
 until 800 PM CDT.
* Primary threats include…
 Scattered large hail and isolated very large hail events to 2
 inches in diameter likely
 Scattered damaging wind gusts to 70 mph likely
 A tornado or two possible
SUMMARY…Thunderstorm coverage and intensity is expected to
 increase over the next few hours along and ahead of a cold front
 moving southeastward through the region. Environmental conditions
 support strong to severe storms. Storms along the front will likely
 grow into a convective line, with damaging gusts from 45 to 65 mph
 as the primary hazard. More cellular development is possible ahead
 of the line, with large hail up to 2″ in diameter as the primary
 hazard. A tornado or two is also possible, particularly within
 intense portions of the convective line.
The severe thunderstorm watch area is approximately along and 70
 statute miles north and south of a line from 20 miles north
 northwest of Joplin MO to 20 miles east southeast of Salem IL. For a
 complete depiction of the watch see the associated watch outline
 update (WOUS64 KWNS WOU5).
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
 2 inches. Extreme turbulence and surface wind gusts to 60 knots. A
 few cumulonimbi with maximum tops to 500. Mean storm motion vector
 25035.
…Mosier
