FVXX21 KWBC 190425 VOLCANIC ASH ADVISORY STATEMENT ISSUED 0425 UTC 19 FEB 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-211 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: THE GEOPHYSICAL INSTITUTE IN QUITO. GUAYAQUIL MWO. GOES-8..INFRARED AND MULTISPECTRAL IMAGERY. 6 HOUR WIND FORECAST FROM THE 18/1800 UTC AVIATION MODEL. . ERUPTION DETAILS: REPORTED EXPLOSION WITH ASH AT 19/0244 UTC. . DETAILS OF ASH: THE GEOPHYSICAL INSTITUTE REPORTED TWO EXPLOSIONS OF THE VOLCANO. THE FIRST OCCURRED AT 19/0244 UTC WITH ASH TO A HEIGHT OF 3 TO 4 KM MOVING TO THE NORTHWEST. A LATER EXPLOSION HAD ASH TO A HEIGHT OF 2 KM ABOVE THE SUMMIT. THE LATEST MULTISPECTRAL SATELLITE IMAGERY AT 19/0345 UTC SHOWED ASH MOVING WESTWARD. . TRAJECTORY: ASH AT FL250 TO FL300 WOULD MOVE TOWARD THE NORTHWEST AT 15-20 KNOTS. . OUTLOOK: SEE SIGMETS AND VAFTAD. . THE NEXT STATEMENT WILL BE ISSUED BY 19/1030 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. . BROWN . NNNN