SPC Severe Thunderstorm Watch 446

WW 446 SEVERE TSTM SD 031815Z - 040200Z URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 446 NWS Storm Prediction Center Norman OK 1215 PM MDT Fri Jul 3 2026 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Southwest South Dakota * Effective this Friday afternoon and evening from 1215 PM until 800 PM MDT. * Primary threats include... Scattered large hail likely with isolated very large hail events to 2.5 inches in diameter possible Scattered damaging wind gusts to 70 mph possible A tornado or two possible SUMMARY...Thunderstorms will continue to intensify over the Black Hills and track southeastward through the afternoon. Very large hail and damaging winds are possible. The severe thunderstorm watch area is approximately along and 50 statute miles north and south of a line from 50 miles west southwest of Rapid City SD to 75 miles east southeast of Philip SD. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU6). 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 445... AVIATION...A few severe thunderstorms with hail surface and aloft to 2.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean storm motion vector 28025. ...Hart Read more