Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for Watch Status Reports.
SEL2 URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 652 NWS Storm Prediction Center Norman OK 550 PM CDT Mon Aug 26 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Northwest Iowa Southwest Minnesota Northeast Nebraska Far Southeast South Dakota * Effective this Monday afternoon and evening from 550 PM until 1100 PM CDT. * Primary threats include... Scattered large hail and isolated very large hail events to 2.5 inches in diameter likely Scattered damaging winds and isolated significant gusts to 75 mph possible A tornado or two possible SUMMARY...Supercell thunderstorms should continue to move eastward across northeast Nebraska and vicinity while posing a threat for large hail around 1.5-2.5 inches in diameter. Severe winds mainly around 60-70 mph may also occur, with additional intense thunderstorms possibly developing over the next few hours along a surface boundary into northwest Iowa and southwest Minnesota. The severe thunderstorm watch area is approximately along and 35 statute miles north and south of a line from 50 miles southwest of Yankton SD to 10 miles east southeast of Spencer IA. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU2). 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 648...WW 649...WW 650...WW 651... AVIATION...A few severe thunderstorms with hail surface and aloft to 2.5 inches. Extreme turbulence and surface wind gusts to 65 knots. A few cumulonimbi with maximum tops to 600. Mean storm motion vector 27030. ...Gleason