WW 228 SEVERE TSTM DC MD PA VA WV CW 052200Z – 060400Z
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 228 NWS Storm Prediction Center Norman OK 600 PM EDT Mon May 5 2025 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of District Of Columbia Maryland Southern Pennsylvania Northern and Eastern Virginia Eastern Panhandle West Virginia Coastal Waters * Effective this Monday night from 600 PM until Midnight EDT. * Primary threats include... Scattered damaging wind gusts to 70 mph possible Scattered large hail events to 1.5 inches in diameter possible A tornado or two possible SUMMARY...Scattered linear clusters of strong to severe thunderstorms will likely develop and move northward into the Watch area this evening. A few of the stronger cellular storms will pose a risk for large hail (1 to 1.5 inches in diameter). A transient supercell or two is possible in addition to a couple of line segments. Strong to severe gusts capable of wind damage will be the primary hazard with these storms, but a brief tornado is possible mainly early this evening with this activity. The severe thunderstorm watch area is approximately along and 60 statute miles east and west of a line from 35 miles east northeast of Hagerstown MD to 25 miles southwest of Patuxent River MD. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU8). 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 223...WW 224...WW 225...WW 226...WW 227... AVIATION...A few severe thunderstorms with hail surface and aloft to 1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 400. Mean storm motion vector 19030. ...Smith