FVXX24 KWBC 301907 VOLCANIC ASH ADVISORY ISSUED: 2003APR30/1915Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/045 INFORMATION SOURCE: GUAYAQUIL MWO SIGMET. PILOT REPORT. GEOPHYSICAL INSTITUTE. GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: ERUPTION AT 1734Z. OBS ASH DATE/TIME: 30/1845Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL280 MOVING W 20 KNOTS. FCST ASH CLOUD+6H: SEE SIGMETS. REMARKS: GUAYAQUIL SENT TWO SIGMETS REGARDING AN ERUPTION OF TUNGURAHUA. THE SECOND INCREASED THE ASH HEIGHT TO 28000 FT. HOWEVER...GOES-12 IMAGERY DOES NOT SHOW ANY ASH AT THIS TIME DUE TO CLOUDINESS IN THE REGION...GALLINA/KARST NEXT ADVISORY: WILL BE ISSUED BY 2003MAY01/0115Z. NNNN