Severe Local Storm Watch and Watch Cancellation Msg
Issued by NWS
Issued by NWS
823 WWUS20 KWNS 172205 SEL9 SPC WW 172205 IAZ000-MNZ000-WIZ000-180500- URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 429 NWS Storm Prediction Center Norman OK 505 PM CDT Mon Jun 17 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Northern Iowa Southern Minnesota Southwestern Wisconsin * Effective this Monday afternoon from 505 PM until Midnight CDT. * Primary threats include... Scattered large hail and isolated very large hail events to 2.5 inches in diameter possible Scattered damaging wind gusts to 70 mph possible A tornado or two possible SUMMARY...Thunderstorms are expected to increase in coverage the next few hours near an outflow-reinforced warm front that will shift northward through the watch area. In addition to supercell(s) with large hail and a localized/conditional tornado threat, broader severe-hail and severe-gust threats also are apparent on either side of the boundary. The severe thunderstorm watch area is approximately along and 50 statute miles north and south of a line from 40 miles south southwest of Fairmont MN to 45 miles east southeast of La Crosse WI. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU9). 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 2.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 550. Mean storm motion vector 26025. ...Edwards