FVXX27 KNES 241314 VA ADVISORY DTG: 20150324/1314Z VAAC: WASHINGTON VOLCANO: USER MESSAGE PSN: XX AREA: XX RMK: THE AIR FORCE WEATHER AGENCY IS ISSUING THIS MESSAGE ON BEHALF OF THE WASHINGTON VAAC. AFWA AND THE WASHINGTON VAAC ARE CONDUCTING A COORDINATED OPERATIONAL BACKUP TEST FROM 24/1300Z - 24/1900Z. PLEASE BE AWARE THAT AFWA WILL ISSUE ANY NECESSARY VOLCANIC ASH ADVISORIES ON BEHALF OF THE WASHINGTON VAAC DURING THIS TIME FRAME.