FVXX20 KWBC 221547 VOLCANIC ASH ADVISORY ISSUED: 2003NOV22/1600Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/521 INFORMATION SOURCE: GOES-12 IMAGERY. GEOPHYSICAL INSTITUTE. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: OCCASIONAL ASH EMISSIONS OBS ASH DATE/TIME: 22/1515Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/230 MOVING W 10 KNOTS. FCST ASH CLOUD+6H: SEE SIGMETS REMARKS: ASH CAN NOT BE SEEN ON THE CURRENT SATELLITE IMAGERY THROUGH 22/1515Z DUE TO EXTENSIVE CLOUD COVER OVER THE REGION. ASH WAS OBSERVED BY THE GEOPHYSICAL INSTITUTE AT 22/1420Z AND REPORTED TO A HEIGHT OF FL230. NEXT ADVISORY: WILL BE ISSUED BY 2003NOV22/2200Z NNNN