SPC Severe Thunderstorm Watch 269

WW 269 SEVERE TSTM NE SD WY 021940Z - 030300Z URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 269 NWS Storm Prediction Center Norman OK 140 PM MDT Tue Jun 2 2026 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Northwest Nebraska Western and Central South Dakota Eastern Wyoming * Effective this Tuesday afternoon and evening from 140 PM until 900 PM MDT. * 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...Thunderstorm coverage is expected to increase over the next few hours from eastern Wyoming into northwest Nebraska and western/central South Dakota. Primary threat initially will be large hail, with the threat transitioning to strong to severe gusts as storms move from a more clustered cellular mode to a more linear, bowing segment mode. A few gusts over 70 mph are possible. There is also a low-probability tornado risk if a storm can mature while remaining discrete and cellular. The severe thunderstorm watch area is approximately along and 80 statute miles east and west of a line from 5 miles northeast of Lemmon SD to 35 miles southeast of Scottsbluff NE. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU9). 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. && 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 24025. ...Mosier Read more