FVXX20 KWBC 301400 VOLCANIC ASH ADVISORY ISSUED: 2002JAN30/1400Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M). . ADVISORY NUMBER: 2002/036 . INFORMATION SOURCE: GOES-8 VISIBLE INFRARED AND MULTISPECTRAL IMAGERY. NWS NUMERICAL MODEL WINDS FORECAST. THE GEOPHYSICAL INSTITUTE IN QUITO. . ERUPTION DETAILS: PROBABLE VOLCANIC ASH CLOUD AT 30/0700Z. . OBS ASH DATE/TIME: 30/1345Z . OBS ASH CLOUD: SFC/FL250 MOVING SW 10 KNOTS ASH NOT IDENTIFIABLE FROM SATELLITE DATA . FCST ASH CLOUD+6H: SEE SIGMETS . REMARKS: GOES IMAGERY THROUGH 1345Z DOES NOT INDICATE ASH DUE TO THE PRESENCE OF MULTILAYERED WATER CLOUDS AROUND VOLCANO. THE GEOPHYSICAL INSTITUTE REPORTS NO NEW ACTIVITY SINCE A SMALL GAS EMISSION AROUND 30/0700Z. ANALYST HUGHES. . NEXT ADVISORY: NO FURTHER ADVISORIES. . NNNN