FVXX20 KWBC 192357 VOLCANIC ASH ADVISORY ISSUED: 2003NOV20/0000Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/510 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: ASH OBSERVED AT 19/1115Z OBS ASH DATE/TIME: 19/2315Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/220 MOVING S AT 5-10 KNOTS. FCST ASH CLOUD+6H: SEE SIGMETS REMARKS: THE LAST OBSERVED ASH FROM SATELLITE WAS AT 19/1115Z. IT IS DIFFICULT TO DETECT ASH AT THIS TIME DUE TO WIDESPREAD CLOUDS OVER THE VOLCANO. WE WILL CONTINUE TO MONITOR THE VOLCANO. NEXT ADVISORY: WILL BE ISSUED BY 2003NOV20/0600Z. NNNN