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SEL3 URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 563 NWS Storm Prediction Center Norman OK 845 PM CDT Mon Jul 29 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Northwest Iowa Northeast Nebraska Southeast South Dakota * Effective this Monday night and Tuesday morning from 845 PM until 200 AM CDT. * Primary threats include... Scattered damaging winds and isolated significant gusts to 75 mph likely Isolated large hail events to 1.5 inches in diameter possible SUMMARY...A large cluster of thunderstorms over south-central South Dakota will track east-southeastward, likely posing a continued risk of damaging wind gusts and some hail. The severe thunderstorm watch area is approximately along and 60 statute miles north and south of a line from 50 miles west southwest of Yankton SD to 15 miles east southeast of Storm Lake IA. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU3). 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 561...WW 562... 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 500. Mean storm motion vector 28035. ...Hart