SVRMKX The National Weather Service in Milwaukee/Sullivan has issued a * Severe Thunderstorm Warning for... Western Columbia County in south central Wisconsin... Southwestern Marquette County in south central Wisconsin... Northeastern Sauk County in south central Wisconsin... * Until 815 PM CDT. * At 729 PM CDT, severe thunderstorms were located along a line extending from near Wisconsin Dells to 9 miles northeast of Lake Delton to 10 miles north of Portage, moving south at 30 mph. HAZARD...Ping pong ball size hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Baraboo, Portage, Lake Wisconsin, Poynette, Merrimac, Harmony Grove, Interstate 90/94 Interchange, Okee, Briggsville, and Devils Lake St Park. Other landmarks included are the following Locations Pine Island State Wildlife Area and Alliant Energy Portage Power Plant.