FVXX21 KWBC 281900 VOLCANIC ASH ADVISORY STATEMENT ISSUED 1900 UTC 28 JAN 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-114 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE INFRARED AND MULTISPECTRAL SATELLITE IMAGERY. 6 HOUR WIND FORECAST FROM THE 28/1200 UTC AVIATION MODEL. . ERUPTION DETAILS: LAST ERUPTION OCCURRED FROM 27/1721 TO 27/1733 UTC. . DETAILS OF ASH: VISIBLE SATELLITE IMAGERY THROUGH 28/1815 UTC SHOWS DENSE CLOUDINESS AROUND THE VOLCANO MAKING DETECTION OF PAST OR PRESENT ASH IMPOSSIBLE BELOW THE CLOUD DECK. . TRAJECTORY: ANY REMAINING ASH UP TO FL300 WOULD MOVE WESTWARD AT 15 TO 25 KTS. . OUTLOOK: SEE SIGMETS . THE NEXT STATEMENT WILL BE ISSUED BY 29/0100 UTC. . 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/) . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . KARST . NNNN