FVXX21 KWBC 220100 VOLCANIC ASH ADVISORY STATEMENT COR ISSUED 0100 UTC 22 APR 2000 BY THE WASHINGTON VAAC . CORRECTION SENT FOR EVENT NUMBER . TUNGURAHUA 00-471 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. 22/0000 UTC FORECAST UPPER WINDS FROM THE 21/1800 UTC AVN MODEL. . ERUPTION DETAILS: OCCASIONAL ASH EMISSIONS. . DETAILS OF ASH: GOES-8 IMAGERY THROUGH 22/0145 UTC DOES NOT SHOW ANY ASH NEAR THE SUMMIT. HOWEVER AN OCCASIONAL HOT SPOT CAN BE SEEN IN THE SHORTWAVE INFRARED AND REFLECTIVITY CHANNELS INDICATING A POSSIBLE INCREASE IN ACTIVITY IN TUNGURAHUA. . TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH UP TO FL250 WOULD MOVE WEST AT 10 TO 15 KNOTS. ANY ASH ABOVE FL250 WOULD MOVE SOUTHWEST AT 15 TO 20 KNOTS. . THE NEXT STATEMENT WILL BE ISSUED BY 22/0700 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