FVXX20 KWBC 210644 VOLCANIC ASH ADVISORY ISSUED: 2004JAN21/0700Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/072 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: GAS AND ASH EMISSIONS. OBS ASH DATE/TIME: 21/0615Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/210 MOVING TO SW 5-10 KNOTS. FCST ASH CLOUD+6H: NOT AVBL FCST ASH CLOUD+12H: NOT AVBL FCST ASH CLOUD+18H: NOT AVBL REMARKS: ASH COULD NOT BE DETECTED IN SATELLITE IMAGERY THROUGH 0615Z DUE TO CLOUD COVER. THE GEOPHYSICAL INSTITUTES DAILY REPORT FOR TUESDAY INDICATED THAT TWO ERUPTIONS OCCURRED WHICH SENT ASH TO FL210. TURK NEXT ADVISORY: WILL BE ISSUED BY 2004JAN21/1300Z. NNNN