FVXX21 KWBC 070130 VOLCANIC ASH ADVISORY STATEMENT ISSUED 0130 UTC 07 APR 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-409 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE...INFRARED AND MULTISPECTRAL IMAGERY. GEOPHYSICAL INSTITUTE REPORT. . ERUPTION DETAILS: OCCASIONAL GAS AND ASH EMISSIONS. . DETAILS OF ASH: NO ASH IS VISIBLE IN THE LATEST GOES-8 SATELLITE IMAGERY THROUGH 2345 UTC. A SURFACE REPORT AT 2100 UTC FROM CHIMBORAZO SERB REORTS VOLCANIC ASH OVER THE VOLCANO AT SUMMIT LEVEL AT FL160. . TRAJECTORY: ANY VOLCANIC ASH PRESENT UP TO FL200 WOULD MOVE WEST AT 15 TO 20 KTS. . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 07/0730 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. . KARST . NNNN