SPC Severe Thunderstorm Watch 273

WW 273 SEVERE TSTM SD 042225Z - 050600Z URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 273 NWS Storm Prediction Center Norman OK 525 PM CDT Thu Jun 4 2026 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Central and Eastern South Dakota * Effective this Thursday afternoon and Friday morning from 525 PM until 100 AM CDT. * Primary threats include... Scattered large hail and isolated very large hail events to 2 inches in diameter possible Scattered damaging wind gusts to 70 mph possible A tornado or two possible SUMMARY...Severe storms including a few supercells may develop through early evening across central and east-central South Dakota, mostly north of the I-90 corridor. Additional severe storms, potentially as an organized line of storms, may move into the region by late evening and the early overnight with damaging wind/hail potential. The severe thunderstorm watch area is approximately along and 75 statute miles north and south of a line from 50 miles west southwest of Pierre SD to 15 miles south southeast of Brookings SD. 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 272... AVIATION...A few severe thunderstorms with hail surface and aloft to 2 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean storm motion vector 27025. ...Guyer Read more