FVXX20 KWBC 030600 VOLCANIC ASH ADVISORY ISSUED: 2001APR03/0600 VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S 7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2001/49 . INFORMATION SOURCE: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. GEOPHYSICAL INSTITUTE IN QUITO. UPPER WINDS FORECAST FROM THE AVIATION MODEL. . ERUPTION DETAILS: EMISSION AT 02/2246Z. . DETAILS OF ASH CLOUD: NO ASH WAS DETECTED IN SATELLITE IMAGERY THROUGH 03/0345Z ALTHOUGH EXTENSIVE MIDLEVEL CLOUDS EXIST NEAR THE SUMMIT. THE GEOPHYSICAL INSTITUTE REPORTED AN ASH EMISSION AT 02/2246Z TO FL210 MOVING WEST. . TRAJECTORY: ANY ASH PRESENT FROM SUMMIT LEVEL TO FL210 WOULD MOVE WEST AT 10 TO 15 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED BY 03/1200Z. . 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. . CLARK NNNN