SPC Severe Thunderstorm Watch 187
WW 187 SEVERE TSTM AR IL MO 291355Z - 292000Z



URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 187
NWS Storm Prediction Center Norman OK
855 AM CDT Tue Apr 29 2025

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of
Northern Arkansas
Southwest Illinois
Southern Missouri

* Effective this Tuesday morning and afternoon from 855 AM until
300 PM CDT.

* Primary threats include...
Scattered damaging winds likely with isolated significant gusts
to 75 mph possible
Scattered large hail events to 1.5 inches in diameter possible
A tornado or two possible

SUMMARY...A fast-moving line of thunderstorms over southwest
Missouri and northwest Arkansas will track eastward across the watch
today. Locally damaging wind gusts and hail are possible with this
activity.

The severe thunderstorm watch area is approximately along and 65
statute miles north and south of a line from 40 miles northwest of
Harrison AR to 20 miles south of Carbondale IL. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU7).

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 186...

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
25035.

...Hart


Read more
https://www.spc.noaa.gov/products/watch/ww0187.html