FVXX21 KWBC 190715 VOLCANIC ASH ADVISORY ISSUED: 2001SEP19/0715 VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S 7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2001/258 . INFORMATION SOURCE: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. UPPER AIR WIND FORECAST FROM THE AVIATION MODEL. . ERUPTION DETAILS: ASH REPORTED AT 1900Z AND 2038Z. . DETAILS OF ASH CLOUD: SATELLITE IMAGERY THROUGH 0645Z SHOWS NO INDICATION OF A CURRENT ASH PLUME. THERE ARE SOME LOW LEVEL CLOUDS IN THE VICINITY OF THE VOLCANO THAT MAY BE OBSCURING ASH. THE LAST REPORT OF ASH FROM THE GEOPHYSICAL INSTITUTE OCCURRED AT 18/2038 AND WAS ESTIMATED TO A HEIGHT OF FL240. . TRAJECTORY: UPPER AIR PATTERNS SUGGEST ASH AT OR NEAR SUMMIT LEVEL TO FL250 WOULD MOVE WEST AT 10 TO 15 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT ADVISORY WILL BE ISSUED BY 19/1330Z . 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