FVXX20 KWBC 070030 VOLCANIC ASH ADVISORY . ISSUED: 2002JAN07/0030Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S 7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2002/010 . INFORMATION SOURCE: GOES-8 VISIBLE INFRARED AND MULTISPECTRAL IMAGERY. AVIATION MODEL WIND FORECAST. GUAYAQUIL METEOROLOGICAL WATCH OFFICE SIGMET . ERUPTION DETAILS: ASH OBSERVED AT 2315Z. . DETAILS OF ASH CLOUD: GUAYAQUIL ISSUED A SIGMET INDICATING THAT ASH WAS OBSERVED OVER THE VOLCANO. NO HEIGHT OR DIRECTION OF ASH WAS NOTED. SATELLITE IMAGERY THROUGH 07/0015Z SHOWS NO DETECTABLE ASH OR HOTSPOT ACTIVITY. . TRAJECTORY: ASH FROM THE SUMMIT TO FL250 WOULD MOVE NORTHWEST AT 5 TO 10 KNOTS. . OUTLOOK: SEE SIGMETS. . NEXT ADVISORY: WILL BE ISSUED BY 2002JAN07/0630Z. . NNNN