Effects of Hurricane Sandy in Maryland and Washington, D.C. Effects of Hurricane Sandy in Maryland and Washington, D.C. The effects of Hurricane Sandy in Maryland and Washington, D.C. included tropical storm force sustained winds with isolated gusts to hurricane force, plus significant mountain snow and coastal flooding. On October 26, Washington, D.C. Mayor Vincent Gray declared a state of emergency. That same day the governors of Pennsylvania, Maryland, and Virginia also declared states of emergency in preparation of the approaching storm. The United States Office of Personnel Management announced federal offices in the Washington, D.C. area would be closed to the public on October 29–30. In addition, Washington, D.C.,
Xfinity Center (College Park, Maryland) in the state of Maryland, it is the second-largest arena in the Washington, D.C. metropolitan area by seating capacity, just behind Capital One Arena in Washington, D.C., which has an official seating capacity of roughly 500 more than Xfinity Center. The facility is also used for concerts, graduation ceremonies including those for the University of Maryland, state high school basketball tournaments, and other special events. Concert seating capacity is nearly 19,000. In addition to the main basketball court, Xfinity Center also features a 1,500-seat gymnasium for volleyball, gymnastics, and wrestling; a 7,000-square-foot academic support center for student-athletes; Heritage Hall, a