FVXX21 KWBC 242210 VOLCANIC ASH ADVISORY STATEMENT ISSUED 2210 UTC 24 MAR 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-354 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY...1200 UTC AVIATION MODEL FORECAST SOUNDING DATA. . ERUPTION DETAILS: OCCASIONAL SMALL EXPLOSIONS REPORTED. . DETAILS OF ASH: SATELLITE IMAGERY THROUGH 2115 UTC DOES NOT INDICATE ANY AREAS OF ASH. THERE WAS AN ASH PLUME BELIEVED TO BE PRESENT ABOUT 5 TO 6 HOURS AGO. SINCE THAT TIME THERE HAS BEEN A MULTITUDE OF CLOUD DECKS MOVING THROUGH THE REGION WHICH HAS MADE IT DIFFICULTY TO DETECT ASH. ANY ASH CURRENTLY PRESENT IS STILL BELIEVED TO BE NEAR FL200. . TRAJECTORY: ANY ASH FROM THE SUMMIT TO FL200 SHOULD MOVE WEST TO SOUTHWEST AT ABOUT 10 TO 15 KNOTS. . OUTLOOK: SEE SIGMETS AND VAFTAD. . THE NEXT STATEMENT WILL BE ISSUED BY 25/0400 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. . ORRISON . NNNN