FVXX20 KWBC 180430 VOLCANIC ASH ADVISORY ISSUED: 2001JUN18/0430Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S 7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2001/81 . INFORMATION SOURCE: GEOPHYSICAL INSTITUTE...GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. AVIATION MODEL WIND FORECAST. VAFTAD. . ERUPTION DETAILS: THE GEOPHYSICAL INSTITUTE REPORTED AN ERUPTION AT 17/2100Z WITH ASH AT LOWER LEVELS MOVING TO THE WEST AND AT HIGHER LEVELS TO THE EAST. . DETAILS OF ASH CLOUD: NO ASH CAN BE SEEN IN SATELLITE IMAGERY THROUGH 18/0415Z. VAFTAD MODEL DATA SUGGESTS THAT ANY REMAINING ASH WOULD BE WEST, SOUTHWEST, SOUTH OR SOUTHEAST OF THE VOLCANO. . TRAJECTORY: ANY REMAINING ASH BELOW FL340 WOULD MOVE TOWARD THE SOUTHEAST AT 20 TO 50 KNOTS AND BELOW FL280 WOULD MOVE TOWARD THE SOUTHWEST AT LESS THAN 20 KNOTS. . OUTLOOK: SEE SIGMETS AND VAFTAD. . THIS WILL BE THE FINAL ADVISORY ON THIS EVENT. . 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