FVXX20 KWBC 190400 VOLCANIC ASH ADVISORY ISSUED: 2001AUG19/0400Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S 7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2001/190 . INFORMATION SOURCE: GOES-8..INFRARED..MULTISPECTRAL IMAGERY. GUAYAQUIL METEOROLOGICAL WATCH OFFICE. 12 HOUR WIND FORECAST FROM THE 18/1800Z AVIATION MODEL. . ERUPTION DETAILS: NEARLY CONTINUOUS ERUPTION SINCE 06/1203Z. . DETAILS OF ASH CLOUD: SATELLITE IMAGERY THROUGH 19/0315Z DOES NOT SHOW A WELL DEFINED PLUME ALTHOUGH THERE ARE INDICATIONS OF SOME ASH MAINLY WEST OF THE SUMMIT. THE ASH HEIGHT IS ESTIMATED TO BE AT FL220 BASED ON EARLIER REPORTS. . TRAJECTORY: WINDS FROM THE SUMMIT LEVEL TO FL220 ARE LIGHT AND VARIABLE. . OUTLOOK: SEE SIGMETS AND VAFTAD. . THE NEXT ADVISORY WILL BE ISSUED BY 19/1000Z. . 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