FVXX21 KWBC 092100 VOLCANIC ASH ADVISORY STATEMENT-CORRECTION TIME OF NEXT VAAS ISSUED 2100 UTC 09 APR 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-422 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. . ERUPTION DETAILS: OCCASIONAL GAS AND ASH EMISSIONS. . DETAILS OF ASH: SATELLITE IMAGERY THROUGH 2015 UTC SHOWS NO SIGNS OF ASH CLOUDS. HOWEVER THE VOLCANO WAS VENTING ASH EARLIER IN THE DAY AT 1030 UTC. AT THIS TIME THERE IS AN INCREASE IN CLOUDINESS FROM THE EAST WHICH WILL BE OBSCURING THE SUMMIT THIS EVENING. THE LAST REPORTS FROM THE GEOPHYSICAL INSTITUTE INDICATE THAT SEISMIC ACTIVITY REMAINS STRONG AND THAT FURTHER ERUPTIONS MAY OCCUR AT ANY TIME. ASH WAS ESTIMATED AS HIGH AS FL320 LAST NIGHT BUT THE GENERAL TENDENCY SHOULD BE FOR NEW ASH TO BE CONFINED MUCH CLOSER TO THE SUMMIT. . TRAJECTORY: ANY ASH THAT MAY EXIST BETWEEN THE SUMMIT AND FL250 IS EXPECTED TO MOVE TO THE SOUTHWEST AT 10 TO 20 KNOTS. ANY ASH FROM FL250 TO FL320 WOULD LIKELY MOVE SOUTH AT 10 TO 20 KNOTS. . OUTLOOK: SEE SIGMETS AND VAFTAD. . THE NEXT STATEMENT WILL BE ISSUED BY 10/0300 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