WW 477 TORNADO IL IN LM 122050Z – 130300Z
URGENT - IMMEDIATE BROADCAST REQUESTED Tornado Watch Number 477 NWS Storm Prediction Center Norman OK 350 PM CDT Wed Jul 12 2023 The NWS Storm Prediction Center has issued a * Tornado Watch for portions of Northern Illinois Extreme northwest Indiana Lake Michigan * Effective this Wednesday afternoon and evening from 350 PM until 1000 PM CDT. * Primary threats include... A few tornadoes and a couple intense tornadoes possible Scattered damaging wind gusts to 70 mph possible Isolated very large hail events to 2 inches in diameter possible SUMMARY...Isolated supercell severe thunderstorms are expected to develop and move east-southeast with a risk for a few tornadoes, large hail and damaging thunderstorm wind gusts. The potential also exists for a strong tornado or two to occur. The tornado watch area is approximately along and 45 statute miles north and south of a line from 35 miles southwest of Rockford IL to 10 miles north northeast of Valparaiso IN. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU7). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A Tornado Watch means conditions are favorable for tornadoes and 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. && AVIATION...Tornadoes and 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 450. Mean storm motion vector 28030. ...Bunting
