FVXX22 KWBC 170045 VOLCANIC ASH ADVISORY ISSUED: 2001MAR17/0045Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S 7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2001/37 . INFORMATION SOURCE: GOES-8 VISIBLE..INFRARED AND MULTISPECTRAL IMAGERY. GUAYAQUIL METEOROLOGICAL WATCH OFFICE SIGMET . ERUPTION DETAILS: ASH EMISSION AT 16/2256Z. . DETAILS OF ASH CLOUD: THE GEOPHYSICAL INSTITUTE OBSERVED AN ASH EMISSION TO FL290 AT 2256Z. THE ASH MOVED TOWARD THE EAST NORTHEAST. THE LATEST GOES-8 SATELLITE IMAGERY THROUGH 17/0015Z SHOWS DENSE WEATHER CLOUDS IN THE VICINITY OF THE VOLCANO. NO ASH IS VISIBLE. . TRAJECTORY: ASH IS REPORTED TO BE MOVING TO THE EAST NORTHEAST. UPPER AIR PATTERNS SUGGEST THAT ASH NEAR FL290 WOULD MOVE AT ABOUT 15 TO 20 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT ADVISORY WILL BE ISSUED BY 17/0700Z. . 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. . BROWN . NNNN