WW 423 SEVERE TSTM IL IN KY MO 302050Z – 010400Z
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 423
NWS Storm Prediction Center Norman OK
350 PM CDT Fri Jun 30 2023
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Southern Illinois
Southwest Indiana
Western Kentucky
East-central to southeast Missouri
* Effective this Friday afternoon and evening from 350 PM until
1100 PM CDT.
* Primary threats include...
Scattered damaging winds likely with isolated significant gusts
to 80 mph possible
Scattered large hail and isolated very large hail events to 2.5
inches in diameter possible
SUMMARY...Multiple multicell clusters with transient supercell
structures will likely develop into the early evening.
The severe thunderstorm watch area is approximately along and 55
statute miles north and south of a line from 50 miles north
northwest of Vichy MO to 35 miles north northeast of Fort Campbell
KY. For a complete depiction of the watch see the associated watch
outline update (WOUS64 KWNS WOU3).
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 422...
AVIATION...A few severe thunderstorms with hail surface and aloft to
2.5 inches. Extreme turbulence and surface wind gusts to 70 knots. A
few cumulonimbi with maximum tops to 600. Mean storm motion vector
29025.
...Grams
