FVXX21 KWBC 220530 VOLCANIC ASH ADVISORY STATEMENT ISSUED 0530 UTC 22 MAR 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-343 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8/10 INFRARED AND MULTISPECTRAL IMAGERY. 22/0600 UTC UPPER WIND FORECAST FROM THE 21/1800 UTC AVIATION MODEL. . ERUPTION DETAILS: OCCASIONAL ASH EMISSIONS. . DETAILS OF ASH: GOES-10 IMAGERY THROUGH 0500 UTC DOES NOT SHOW ANY ASH AROUND TUNGURAHUA AT THIS TIME. GOES-8 SHORTWAVE AND REFLECTIVITY IMAGERY UP TO 0345 UTC DID SHOW AN OCCASIONAL HOT SPOT AT THE VOLCANO LOCATION INDICATING THAT THERE IS AN ACTIVE LAVA DOME PRESENT. . TRAJECTORY: UPPER AIR PATTERNS SUGGEST THAT ANY ASH THAT MIGHT EXIST BETWEEN THE SUMMIT AND FL300 WOULD MOVE TOWARDS THE WEST AT 15 TO 20 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 22/1130 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. . HUGHES . NNNN