FVXX21 KWBC 122145 VOLCANIC ASH ADVISORY STATEMENT ISSUED 2130 UTC 12 MAR 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-304 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE AND INFRARED AND MULTISPECTRAL IMAGERY. 12/1200 FORECAST UPPER WINDS FROM THE AVIATION MODEL. . ERUPTION DETAILS: OCCASIONAL EMISSIONS OF GASES AND ASH. . DETAILS OF ASH: GOES-8 IMAGERY THROUGH 2115 UTC DOES NOT SHOW ANY ASH DUE TO EXTENSIVE CLOUDS OBSCURING THE VIEW. . TRAJECTORY: UPPER AIR PATTERNS SUGGEST THAT ANY ASH UP TO FL250 TO MOVE WEST AT 10 KNOTS. ASH ABOVE FL250 WOULD MOVE NORTHWEST AT 5 TO 10 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 13/0330 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