FVXX21 KWBC 040130 VOLCANIC ASH ADVISORY STATEMENT ISSUED 0130 UTC 04 APR 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-397 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE...INFRARED AND MULTISPECTRAL IMAGERY. 04/0000 UTC UPPER WINDS FROM THE 03/1800 UTC AVN MODEL RUN. THE GEOPHYSICAL INSTITUTE IN QUITO. . ERUPTION DETAILS: OCCASIONAL GAS AND ASH EMISSIONS. . DETAILS OF ASH: GOES-8 IMAGE AT 2345 UTC DID NOT SHOW ANY DISCERNABLE ASH DUE TO CLOUD COVER OVER THE VOLCANO. THE GEOPHYSICAL INSTITUTE REPORTED NO SIGNIFICANT EXPLOSIONS TODAY. GOES-8 HAS BEEN IN A RAPID SCAN MODE TO SUPPORT U.S. NATIONAL WEATHER SERVICE OBSERVATIONS. ROUTINE IMAGERY SHOULD RESUME AT 04/0126 UTC. THE LAST CONFIRMED REPORT OF ASH WAS AT 02/2245 UTC FROM GOES-8 SATELLITE ANALYSIS. . TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH TO FL300 WOULD MOVE WEST AT 5 TO 10 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 04/0730 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