FVXX21 KWBC 310220 VOLCANIC ASH ADVISORY STATEMENT ISSUED 0220 UTC 31 MAR 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-380 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE...INFRARED AND MULTISPECTRAL IMAGERY. 31/0000 UTC UPPER WIND FORECAST FROM THE 30/1800 UTC AVN MODEL. . ERUPTION DETAILS: CONTINUOUS GAS EMISSIONS WITH OCCASIONAL ASH EXHALATIONS. . DETAILS OF ASH: GOES-8 IMAGERY THROUGH 0145 UTC SHOWS BROKEN LOW AND MID LEVEL CLOUDS OBSCURING THE VOLCANO FIELD OF VIEW. MULTISPECTRAL IMAGERY DOES NOT INDICATE THE PRESENCE OF ANY ASH AT THIS TIME. IMAGERY DID SHOW THE PRESENCE OF A HOT SPOT ABOUT 30/2245 UTC WHICH LASTED THROUGH 30/2345. A SECOND STRONGER HOT SPOT WAS NOTED AT 0045 UTC AND CONTINUES THROUGH 0145 UTC. . TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH UP TO FL300 TO MOVE WEST AT 10 TO 15 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 31/0830 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. . . NNNN