FVXX21 KWBC 010225 . VOLCANIC ASH ADVISORY STATEMENT ISSUED 0225 UTC 01 NOVEMBER 1999 BY THE WASHINGTON VAAC . TUNGURAHUA 99-056 ECUADOR 1.47S 78.44W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY . ERUPTION DETAILS: NEARLY CONTINUOUS VENTING OF ASH AND STEAM. . DETAILS OF ASH: SATELLITE IMAGERY THROUGH 0115 UTC DID NOT INDICATE ANY ASH. HOWEVER NEAR SUMMIT ACTIVITY MAY BE OCCURRING THAT IS NOT DETECTABLE IN INFRARED AND MULTISPECTRAL IMAGERY. . TRAJECTORY: ANY ASH WOULD MOVE TOWARDS THE WEST SOUTHWEST AT 15 KNOTS AT FL180 BUT TOWARDS THE NORTH NORTHWEST AT 10 KNOTS AT FL240. . REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER VOLCANIC ASH ADVISORY STATEMENTS OFTEN ACCOMPANIED BY A MAP DEPICTING ASH LOCATION ARE AVAILABLE AT INTERNET URL ADDRESS http://www.ssd.noaa.gov/VAAC/washington.html (all lower case except /VAAC/) . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 01/0830 UTC. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . TURK . NNNN