FVXX21 KWBC 010830 . VOLCANIC ASH ADVISORY STATEMENT ISSUED 0830 UTC 01 NOVEMBER 1999 BY THE WASHINGTON VAAC . TUNGURAHUA 99-057 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...NATIONAL WEATHER SERVICE NUMERICAL WEATHER PREDICTION MODELS QUITO GEOPHYSICAL INSTITUTE REPORT ERUPTION DETAILS EXPLOSIVE ERUPTION THE VOLCANO AT ABOUT 0730 UTC DETAILS OF ASH: SATELLITE IMAGERY THROUGH 0745 UTC INDICATES A ENHANCED AREA OF ASH NEAR THE VOLCANO. THE QUITE GEOPHYSICAL INSTITUTE CONFIRMS AN EXPLOSIVE EVENT. . TRAJECTORY: ANY ASH ABOVE FL200 WOULD MOVE GENERALLY TOWARD THE WEST AT 15-20 KT. . 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 WHEN MORE INFORMATION IS AVAILABLE. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . SCHWARTZ . NNNN