FVXX21 KWBC 221110 VOLCANIC ASH ADVISORY ISSUED: 2001SEP22/1110 VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S 7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2001/271 . INFORMATION SOURCE: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. 22/1200Z UPPER FORECAST WINDS FROM THE 22/0600Z AVIATION MODEL. . ERUPTION DETAILS: OBSERVATION OF PROBABLE ASH AT 22/0312Z. . DETAILS OF ASH CLOUD: GOES-8 DATA THROUGH 1045Z DOES NOT INDICATE THE PRESENCE OF ASH AND THE VOLCANO HAS BEEN UNDER RELATIVELY CLEAR SKIES. THE VOLCANO REMAINS IN AN ACTIVE STATE AND COULD PRODUCE NEAR SUMMIT ASH AT ANYTIME. . TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH FROM SUMMIT LEVEL TO FL200 WOULD MOVE WEST AT 5 TO 10 KNOTS. . OUTLOOK: SEE SIGMETS. . THIS WILL BE THE LAST ADVISORY ISSUED ON THIS EVENT. . INTERNET URLS... MESSAGE LISTSERV WWW.SSD.NOAA.GOV/VAAC/SUBSCRIBE.HTML MESSAGES GRAPHICS AND IMAGERY WWW.SSD.NOAA.GOV/VAAC/WASHINGTON.HTML (ALL LOWERCASE EXCEPT /VAAC/) . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . HUGHES . NNNN