WW 198 SEVERE TSTM IA IL MO 072110Z – 080500Z
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 198
NWS Storm Prediction Center Norman OK
410 PM CDT Sun May 7 2023
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Southern and Eastern Iowa
Northwest Illinois
Far Northeast Missouri
* Effective this Sunday afternoon from 410 PM until Midnight CDT.
* Primary threats include...
Scattered damaging winds likely with isolated significant gusts
to 75 mph possible
Scattered large hail likely with isolated very large hail events
to 3 inches in diameter possible
A tornado or two possible
SUMMARY...A cluster of storms across east-central Illinois as of 4pm
CDT is expected to continue to intensify and organize as it moves
across eastern Iowa into northwest Illinois, while additional storms
are expected to develop near a boundary across southern Iowa. Large
hail and damaging winds are the primary hazard, although at least
some tornado potential may increase this evening, along with a more
widespread damaging wind threat.
The severe thunderstorm watch area is approximately along and 60
statute miles north and south of a line from 55 miles west of Des
Moines IA to 45 miles north northeast of Peoria IL. 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 195...WW 196...WW 197...
AVIATION...A few severe thunderstorms with hail surface and aloft to
3 inches. Extreme turbulence and surface wind gusts to 65 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
29025.
...Guyer
