FVXX21 KWBC 141730 VOLCANIC ASH ADVISORY ISSUED: 2001SEP14/1730Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S 7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2001/239 . INFORMATION SOURCE: GOES-8 VISIBLE/INFRARED/MULTISPECTRAL IMAGERY. 6 HOUR WIND FORECAST FROM THE 14/1200Z AVIATION MODEL. THE GEOPHYSICAL INSTITUTE. . ERUPTION DETAILS: ASH FIRST REPORTED AT 13/2206Z. . DETAILS OF ASH CLOUD: CONVECTIVE DEBRIS IS OBSCURING THE SOUTHERN PORTION OF ECUADOR...AND THEREFORE NO ASH CAN BE DETECTED. AN OBSERVATION FROM THE GEOPHYSICAL INSTITUTE REPORTED ASH OVER THE VOLCANO TO FL220 AT 1506Z. . TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH FROM SUMMIT LEVEL TO FL250 WOULD MOVE WEST AT 15 TO 20 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT ADVISORY WILL BE ISSUED BY 14/2330Z. . 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