SVRALY The National Weather Service in Albany has issued a * Severe Thunderstorm Warning for... North central Columbia County in east central New York... Southeastern Albany County in east central New York... Northeastern Greene County in east central New York... Southwestern Rensselaer County in east central New York... * Until 415 PM EDT. * At 334 PM EDT, a severe thunderstorm was located near Ravena, or 12 miles south of Delmar, moving east at 15 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... New Baltimore, Ravena, Coxsackie, Valatie, Castleton-On-Hudson, Kinderhook, Selkirk, Coeymans, Stuyvesant, Coeymans Hollow, Van Hoesen Station, Spawn Hollow, Dormansville, Rossman, Otter Hook, Climax, South Schodack, West Ghent, Fitchs Wharf, and Newton Hook.