"It just seemed like a good day," he told reporters. "The weather was clear, the clouds parted and I just came in."
According to the FlightAware online flight tracking service, Raese flew to Charleston from Palm Beach International Airport in his Cessna Citation jet, arriving at Yeager Airport at 3:34 p.m.
Shortly after filing, he departed for Morgantown Municipal Airport.
Raese's ownership of a house in an upscale section of Palm Beach became a campaign issue in 2010 -- particularly since his wife, Liz, is a resident of Florida.
Liz Raese accompanied her husband to the secretary of state's office Thursday.
Manchin's Senate press officials declined comment Thursday.
Reach Phil Kabler at ph...@wvgazette.com or 304-348-1220.