SPC Severe Thunderstorm Watch 445

By Newsroom America Feeds at 10 Aug 2017

WW 445 SEVERE TSTM IA IL WI LM 101945Z - 110200Z
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 445 NWS Storm Prediction Center Norman OK 245 PM CDT Thu Aug 10 2017 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Eastern Iowa Northern Illinois Southeast Wisconsin Lake Michigan * Effective this Thursday afternoon and evening from 245 PM until 900 PM CDT. * Primary threats include... Isolated damaging wind gusts to 70 mph possible Isolated large hail events to 1.5 inches in diameter possible SUMMARY...Isolated to scattered storms -- capable of producing locally damaging winds and large hail -- will continue moving east across the watch area this afternoon and early this evening. The severe thunderstorm watch area is approximately along and 55 statute miles east and west of a line from 20 miles west northwest of Manitowoc WI to 45 miles east southeast of Moline IL. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU5). 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 443...WW 444... AVIATION...A few severe thunderstorms with hail surface and aloft to 1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean storm motion vector 27035. ...Goss Read more



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