579th MDG severe weather closures Published Nov. 19, 2014 By Melanie Moore 79th Medical Wing JOINT BASE ANACOSTIA - BOLLING, Washington, District of Columbia -- When there is snow or inclement weather, the Joint Base Anacostia - Bolling Medical and Dental Clinic follow the federal government, Office of Personnel Management closure and delayed reporting directives. If the federal government is closed, all clinic appointments will be cancelled. Similarly, if an appointment time is before 9:30 a.m. on a delayed reporting day, those appointments will also be cancelled. If you have a need to be seen on a day when the clinics are closed or otherwise delayed, the Joint Base Andrews Emergent Care Center as well as the Emergency Rooms at Fort Belvoir and Walter Reed National Military Medical Center will continue to provide 24-hour care for urgent and emergency care. Clinic staff will assist patients to reschedule appointments when the clinic reopens.