FVXX21 KWBC 251900 VOLCANIC ASH ADVISORY ISSUED: 2001JUL25/1900Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S 7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2001/122 . INFORMATION SOURCE: GOES-8 VISIBLE..MULTISPECTRAL AND INFRARED SATELLITE IMAGERY. SIX HOUR WIND FORECAST FROM THE 25/1200Z AVIATION MODEL. . ERUPTION DETAILS: ASH OBSERVED AT 25/1104Z. . DETAILS OF ASH CLOUD: THE ASH PLUME SEEN EARLIER THIS MORNING HAS DISSIPATED. ASH CONTINUES NOT TO BE DETECTED IN THE SATELLITE IMAGERY THROUGH 25/1815Z. . TRAJECTORY: ANY REMAINING ASH AT FL300 WILL MOVE TOWARDS THE SOUTHWEST AT 15-20 KNOTS. . OUTLOOK: SEE SIGMETS . THE NEXT ADVISORY WILL BE ISSUED BY 26/0100Z. . REAL TIME SATELLITE IMAGERY AND VOLCANIC ASH ADVISORIES OFTEN ACCOMPANIED BY A MAP DEPICTING ASH LOCATION ARE AVAILABLE AT INTERNET URL ADDRESS HTTP://WWW.SSD.NOAA.GOV/VAAC/WASHINGTON.HTML (ALL LOWER CASE EXCEPT /VAAC/) . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . WALTER . NNNN