FVXX21 KWBC 032230 . VOLCANIC ASH ADVISORY ISSUED 2230 UTC 03 NOVEMBER 1999 BY THE WASHINGTON VAAC . TUNGURAHUA 99-070 ECUADOR 1.47S 78.44W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE INFRARED AND MULTISPECTRAL IMAGERY...GUAYAQUIL METEOROLOGICAL WATCH OFFICE...INSTITUTO GEOFISICO IN ECUADOR...AVIATION MODEL WIND FORECAST DATA FROM THE U.S. NATIONAL WEATHER SERVICE. . ERUPTION DETAILS: THE NOVEMBER 2 BULLETIN OF THE INSTITUTO GEOFISICO DESCRIBES A CONTINUOUS ASH GRAY EMISSION FROM THE VOLCANO AS WELL AS INTERMITTENT EXPLOSIONS. . DETAILS OF ASH: NO ASH CAN BE DETECTED ON SATELLITE IMAGERY THROUGH 03/2115 UTC. . TRAJECTORY: MODEL DATA AND 1200 UTC WIND DATA SUGGEST ANY ASH MOVING TOWARD THE SOUTHEAST WOULD BE ABOVE FL340 POSSIBLY NEAR FL390. IF ASH WERE AT FL240/280/310 IT WOULD MOVE MORE EASTERLY AT 10-20KT. . 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 AND VAFTAD. . THE NEXT STATEMENT WILL BE ISSUED BY 04/0430 UTC. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . WALTER/SAB/NOAA/NESDIS NNNN