FVXX21 KWBC 082140 . VOLCANIC ASH ADVISORY ISSUED 2140 UTC 08 NOV 1999 BY THE WASHINGTON VAAC . TUNGURAHUA 99-092 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...QUAYAQUIL METEOROLOGICAL WATCH OFFICE SIGMET...12 UTC AVN MODEL SOUNDING DATA. . ERUPTION DETAILS: CONTINUOUS ERUPTION WITH A MORE INTENSE RELEASE OF ASH AND STEAM. A POSSIBLE EXPLOSION OCCURRED AT 08/1947 UTC. . DETAILS OF ASH: THE LATEST QUAYAQUIL MWO SIGMET INDICATES THAT TUNGURAHUA IS ERUPTING WITH MORE INTENSITY. ASH AND STEAM IS NOW REPORTED TO BE AT FL330. MULTISPECTRAL SATELLITE IMAGERY THRU 2115 UTC CONFIRMS THE ASH WHICH IS NOTED TO BE MOVING STEADILY TO THE EAST. . TRAJECTORY: ASH AND STEAM TO FL330 MOVING TO THE EAST AT 10 TO 20 KNOTS. 12 UTC AVN MODEL SOUNDING DATA AND SATELLITE IMAGERY CONFIRM THIS. . 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 SHORTLY ALONG WITH A GRAPHIC. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . ORRISON . NNNN