FVXX21 KWBC 111950 VOLCANIC ASH ADVISORY ISSUED: 2001JAN11/1950Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S 7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2001/26 INFORMATION SOURCE: GOES-8 VISIBLE...INFRARED AND MULTISPECTRAL SATELLITE IMAGERY. GUAYAQUIL METEOROLOGICAL WATCH OFFICE SIGMET. WIND FORECAST FROM AVIATION MODEL. . ERUPTION DETAILS: OCCASIONAL REPORTS OF ASH BY THE GEOPHYSICAL INSTITUTE. . DETAILS OF ASH CLOUD: LOW AND MIDDLE LEVEL CLOUDINESS IN THE VICINITY OF THE VOLCANO IS MAKING THE DETECTION OF ASH DIFFICULT IN SATELLITE IMAGERY. AT 11/1605Z THE GEOPHYSICAL INSTITUTE REPORTED ASH OVER THE VOLCANO TO FL230. . TRAJECTORY: UPPER AIR DATA SUGGEST ASH TO FL230 WOULD MOVE TOWARD THE WEST AT 6 TO 12 KTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUE BY 12/0200Z. . 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