FVXX22 KWBC 131400 VOLCANIC ASH ADVISORY ISSUED 1400 UTC 13 OCT 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-1133 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE AND INFRARED AND MULTISPECTRAL IMAGERY. GEOPHYSICAL INSTITUTE AT QUITO. UPPER WIND DATA FROM THE AVIATION MODEL. . ERUPTION DETAILS: OCCASIONAL ASH EMISSIONS. . DETAILS OF ASH CLOUD: THE GEOPHYSICAL INSTITUTE REPORTED VOLCANIC ASH OVER THE VOLCANO ABOVE FL220 AT 13/1056 UTC. SATELLITE IMAGERY THROUGH 13/1315 UTC SHOWS LOW AND MID LEVEL CLOUDS OVER THE REGION MAKING IT DIFFICULT TO DETECT ANY ASH AT THIS TIME. . TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH UP TO FL220 TO MOVE TOWARDS THE WEST AT 10 TO 15 KTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED AT 13/2000 UTC. . 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. . KARST . NNNN