FVXX20 KWBC 220945 VOLCANIC ASH ADVISORY ISSUED: 2003NOV22/1000Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/520 INFORMATION SOURCE: GOES-12 IMAGERY. GEOPHYSICAL INSTITUTE. UPPER AIR SOUNDING. ERUPTION DETAILS: OCCASIONAL ASH EMISSIONS OBS ASH DATE/TIME: 22/0915Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/200 MOVING W 10 KNOTS. FCST ASH CLOUD+6H: SEE SIGMETS REMARKS: ASH CAN NOT BE SEEN ON THE CURRENT SATELLITE IMAGERY THROUGH 22/0915Z DUE TO EXTENSIVE CLOUD COVER OVER THE REGION. THE LAST OBSERVATION OF ASH BY THE GEOPHYSICAL INSTITUTE WAS AT 22/0511Z....WALTER NEXT ADVISORY: WILL BE ISSUED BY 2003NOV22/1600Z NNNN