FVXX21 KWBC 191330 VOLCANIC ASH ADVISORY ISSUED: 2001SEP19/1330 VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S 7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2001/259 . INFORMATION SOURCE: GOES-8 VISIBLE INFRARED AND MULTISPECTRAL IMAGERY. UPPER AIR WIND FORECAST FROM THE 06Z AVIATION MODEL. . ERUPTION DETAILS: ASH REPORTED AT 19/1256Z TO FL210. . DETAILS OF ASH CLOUD: SATELLITE IMAGERY THROUGH 1245Z SHOWS POSSIBLE INDICATIONS OF ASH NEAR OR JUST WEST OF THE SUMMIT ALTHOUGH THERE ARE EXTENSIVE CLOUDS PRESENT. THE GUAYAQUIL MWO REPORTS THAT LOCAL AIRCRAFT INDICATE THE ASH AT FL210 MOVING WEST. . TRAJECTORY: UPPER AIR PATTERNS SUGGEST ASH AT FL250 WOULD MOVER WEST AT ABOUT 10 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT ADVISORY WILL BE ISSUED BY 19/1930Z . 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. . . NNNN