AI Summary

WW 439 SEVERE TSTM SD 021900Z - 030200Z URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 439 NWS Storm Prediction Center Norman OK 200 PM CDT Thu Jul 2 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 evening from 200 PM until 900 PM CDT. * Primary threats include... Scattered damaging winds and isolated significant gusts to 75 mph likely Scattered large hail and isolated very large hail events to 2.5 inches in diameter likely A tornado or two possible SUMMARY...Thunderstorms are rapidly intensifying over central South Dakota near a surface boundary. These storms will track slowly eastward through the watch area during the afternoon, with a risk of large hail and damaging wind gusts. The severe thunderstorm watch area is approximately along and 45 statute miles north and south of a line from 40 miles west southwest of Pierre SD to 30 miles north northeast of Brookings SD. 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. && OTHER WATCH INFORMATION...CONTINUE...WW 437...WW 438... 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 550. Mean storm motion vector 26025. ...Hart Read more

AI summaries can be wrong sometimes—always verify important details using the source article.