FVXX20 KWBC 162342 VOLCANIC ASH ADVISORY ISSUED: 2003OCT17/0000Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/375 INFORMATION SOURCE: GOES-12 IMAGERY. GEOPHYSICAL INSTITUTE. GFS MODEL WINDS FORECAST. GUAYAQUIL MWO SIGMET ERUPTION DETAILS: CONTINUED ASH AND GAS EMISSIONS. OBS ASH DATE/TIME: 16/2315Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/250 MOVING NW 5 TO 10 KNOTS. FCST ASH CLOUD+6H: SEE SIGMETS REMARKS: ASH IS NO LONGER VISIBLE IN SATELLITE IMAGERY. AN OCCASIONAL HOT SPOT HAS BEEN DETECTED IN SHORTWAVE IMAGERY. THE LAST OBSERVATION OF ASH FROM THE INSTITUTE WAS AT 1637Z. NEXT ADVISORY: WILL BE ISSUED BY 2003OCT17/0600Z NNNN