FVXX21 KWBC 261345 VOLCANIC ASH ADVISORY ISSUED 1345 UTC 26 SEP 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-1112 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE INFRARED AND MULTISPECTRAL IMAGERY. THE GEOPHYSICAL INSTITUTE IN QUITO. WIND FORECAST FROM THE AVIATION MODEL. . ERUPTION DETAILS: SEVERAL EMISSIONS . DETAILS OF ASH: THE GEOPHYSICAL INSTITUTE IN QUITO REPORTS THAT THE VOLCANO IS CURRENTLY VERY QUIET. HOWEVER THEY INDICATED THAT THERE WERE TWO EXTREMELY SMALL ASH EMISSIONS OVERNIGHT. CLOUDY CONDITIONS ARE HAMPERING SATELLITE DETECTION AND GROUND OBSERVATION OF VOLCANIC ASH. NO ASH IS OBSERVED IN SATELLITE IMAGERY THROUGH 1315 UTC DUE TO CLOUDS. . TRAJECTORY: UPPER AIR PATTERNS SUGGEST THAT IF THERE IS ANY REMAINING ASH BETWEEN SUMMIT LEVEL AND FL270 IT WOULD MOVE TOWARD THE WEST AT 15 TO 20 KNOTS. . OUTLOOK: SEE SIGMETS. . THIS WILL BE THE LAST ADVISORY ON THIS EVENT UNLESS NEW INFORMATION IS RECEIVED. . REAL TIME SATELLITE IMAGERY AND VOLCANIC ASH ADVISORIES 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/) . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . NNNN