WW 508 SEVERE TSTM IL IN KY 012040Z – 020300Z
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 508 NWS Storm Prediction Center Norman OK 340 PM CDT Mon Aug 1 2022 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Southeast Illinois Southern Indiana Northern Kentucky * Effective this Monday afternoon and evening from 340 PM until 1000 PM CDT. * Primary threats include... Scattered damaging winds and isolated significant gusts to 75 mph possible Isolated large hail events to 1.5 inches in diameter possible A tornado or two possible SUMMARY...Scattered thunderstorms should develop along a west/east-oriented confluence zone and grow upscale into a cluster with embedded supercells. The severe thunderstorm watch area is approximately along and 50 statute miles north and south of a line from 65 miles west northwest of Evansville IN to 30 miles east northeast of Louisville KY. 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. && 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 600. Mean storm motion vector 30025. ...Grams