SPC Severe Thunderstorm Watch 664


WW0664 Radar

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The expiration time in the watch graphic is amended if the watch is
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 SEL4 URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 664 NWS Storm Prediction Center Norman OK 750 PM CDT Thu Aug 29 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Extreme northeast Iowa Extreme southeast Minnesota Southwest and west central Wisconsin * Effective this Thursday evening from 750 PM until 1100 PM CDT. * Primary threats include... Scattered damaging wind gusts to 70 mph possible Isolated large hail events to 1 inch in diameter possible A tornado or two possible SUMMARY...A line of storms with a history of wind damage will continue eastward for the next few hours before weakening. An isolated tornado or two, as well as marginally severe hail, will also be possible with the more intense/embedded segments. The severe thunderstorm watch area is approximately along and 25 statute miles east and west of a line from 105 miles north northeast of La Crosse WI to 55 miles south of La Crosse WI. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU4). 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 662...WW 663... AVIATION...A few severe thunderstorms with hail surface and aloft to 1 inch. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean storm motion vector 26030. ...Thompson