FVXX22 KWBC 171300 VOLCANIC ASH ADVISORY ISSUED: 2001MAR17/1300Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S 7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2001/39 . INFORMATION SOURCE: GOES-8 VISIBLE AND INFRARED AND MULTISPECTRAL IMAGERY. GUAYAQUIL METEOROLOGICAL WATCH OFFICE SIGMET. WIND FORECAST FROM THE 17/0600Z AVIATION MODEL. . ERUPTION DETAILS: ASH EMISSION AT 16/2256Z. . DETAILS OF ASH CLOUD: THE LAST REPORT OF AN ASH EMISSION FROM THE VOLCANO WAS AT 16/2256Z. EXTENSIVE CLOUDINESS COVERS THE REGION AROUND THE VOLCANO MAKING ANY DETECTION OF ASH DIFFICULT. . TRAJECTORY: ASH AT FL290 WILL MOVE TO THE WEST-NORTHWEST AT 5 TO 10 KTS. . OUTLOOK: SEE SIGMETS. . THE NEXT ADVISORY WILL BE ISSUED BY 17/2000Z. . 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. . KARST . NNNN