FVXX20 KWBC 192200 VOLCANIC ASH ADVISORY ISSUED: 2001AUG19/2200Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S 7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2001/193 . INFORMATION SOURCE: GOES-8 VISIBLE..INFRARED..MULTISPECTRAL IMAGERY. 12 HOUR WIND FORECAST FROM THE 19/1200Z AVIATION MODEL. GUAYAQUIL METEOROLOGICAL WATCH OFFICE. . ERUPTION DETAILS: NEARLY CONTINUOUS ERUPTION SINCE 06/1203Z. . DETAILS OF ASH CLOUD: VISIBLE SATELLITE IMAGERY THROUGH 19/2115Z SHOWS SOME FAINT ASH OVER THE SUMMIT. A PILOT REPORT AT 19/2120Z INDICATED ASH OVER THE SUMMIT TO FL250. . TRAJECTORY: WINDS FROM SUMMIT LEVEL TO FL250 ARE LIGHT AND VARIABLE. . OUTLOOK: SEE SIGMETS AND VAFTAD. . THE NEXT ADVISORY WILL BE ISSUED BY 20/0400Z. . 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. . WALTER . NNNN