FVXX20 KWBC 300215 VOLCANIC ASH ADVISORY ISSUED: 2001MAY30/0215Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S 7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2001/68 . INFORMATION SOURCE: GEOPHYSICAL INSTITUTE...GOES 8 VISIBLE AND INFRARED AND MULTISPECTRAL IMAGERY. . ERUPTION DETAILS: VOLCANIC ASH OVER THE VOLCANO AT 30/0121Z . DETAILS OF ASH CLOUD: THE GEOPHYSICAL INSTITUTE REPORTED THAT THERE WAS VOLCANIC ASH OVER THE VOLCANO TO FL270. SATELLITE IMAGERY THROUGH 0145Z SHOWS EXTENSIVE LOW AND MID LEVEL CLOUDS OVER THE VOLCANO MAKING IT DIFFICULT TO DETECT ANY ASH AT THIS TIME. . TRAJECTORY: ACCORDING TO THE AVIATION MODEL ASH FROM THE SUMMIT TO FL270 WILL MOVE TOWARDS THE WEST AT 15 TO 20 KTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED AT 30/0815Z. . 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