FVXX20 KWBC 051815 VOLCANIC ASH ADVISORY ISSUED: 2001JUN05/1815Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S 7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2001/73 . INFORMATION SOURCE: SIGMET FROM GUAYAQUIL METEOROLOGICAL WATCH OFFICE. GOES-8 VISIBLE AND INFRARED AND MULTISPECTRAL IMAGERY. SIX HOUR WIND FORECAST FROM THE 05/1200Z AVIATION MODEL WIND FORECAST. . ERUPTION DETAILS: VOLCANIC ASH OBSERVED AT 05/1700Z . DETAILS OF ASH CLOUD: THE GEOPHYSICAL INSTITUTE REPORTED ASH TO FL230 OVER THE VOLCANO MOVING WEST. CONSIDERABLE CLOUDINESS OVER AND AROUND THE SUMMIT MAKE IT DIFFICULT TO DETECT ANY ASH IN SATELLITE IMAGERY. . TRAJECTORY: ASH UP TO FL230 WILL MOVE WEST AT 10 KNOTS. . OUTLOOK: SEE SIGMETS. . THIS WILL BE THE ONLY STATEMENT ON THIS EVENT UNLESS ADDITIONAL INFORMATION IS RECEIVED. . 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