FVXX21 KWBC 131245 VOLCANIC ASH ADVISORY ISSUED: 2001JAN13/1245Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S 7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2001/29 INFORMATION SOURCE: GOES-8 VISIBLE ... INFRARED AND MULTISPECTRAL SATELLITE IMAGERY. GUAYAQUIL METEOROLOGICAL WATCH OFFICE SIGMET. AIRCRAFT REPORT. AVIATION MODEL WINDS. . ERUPTION DETAILS: NEAR SUMMIT ASH EMISSION . DETAILS OF ASH CLOUD: THE GUAYAQUIL METEOROLOGICAL WATCH OFFICE HAS ISSUED A SIGMET FOR ASH OVER THE VOLCANO AND UP TO FL170. SATELLITE IMAGERY THROUGH 1215Z IS INCONCLUSIVE AS TO THE PRESENCE OF AN ASH PLUME. A SUSPICIOUS CLOUD EXTENDS 18 KM (10 NMI) TO THE SOUTHWEST OF THE VOLCANO. THIS CLOUD MAY OR MAY NOT CONTAIN ASH. . TRAJECTORY: UPPER AIR PATTERNS SUGGEST THAT ANY ASH BETWEEN THE SUMMIT AND FL170 WOULD MOVE TO THE WEST SOUTH WEST AT ABOUT 15 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED BY 13/1900Z. . REAL TIME SATELLITE IMAGERY AND VOLCANIC ASH ADVISORIES OFTEN ACCOMPANIED BY A MAP DEPICTING ASH LOCATION ARE AVAILABLE AT INTERNET URL ADDRESS HTTP://WWW.SSD.NOAA.GOV/VAAC/WASHINGTON.HTML (ALL LOWER CASE EXCEPT /VAAC/) . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . NNNN