FVXX20 KWBC 041445 VOLCANIC ASH ADVISORY . ISSUED: 2002JAN04/1445Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S 7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2002/005 . INFORMATION SOURCE: GOES-8 VISIBLE..INFRARED AND MULTISPECTRAL IMAGERY. SIGMET FROM GUAYAQUIL METEOROLOGICAL WATCH OFFICE. AVIATION MODEL WIND FORECAST. . ERUPTION DETAILS: ASH OBSERVED AT 1400Z. . DETAILS OF ASH CLOUD: STATION OBSERVED ASH TO FL160 AT 1400Z. NO ASH CAN BE SEEN IN SATELLITE IMAGERY THROUGH 1415Z. HOWEVER A HOTSPOT CAN BE SEEN. . TRAJECTORY: ASH IS REPORTED TO BE MOVING NORTH. UPPER AIR PATTERNS SUGGEST THAT THE ASH SHOULD BE MOVING AT LESS THAN 10 KNOTS. . OUTLOOK: SEE SIGMETS. . NEXT ADVISORY: NO FURTHER ADVISORIES. . NNNN