FVXX20 KWBC 270515 VOLCANIC ASH ADVISORY ISSUED: 2001MAY27/0515Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S 7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2001/66 . INFORMATION SOURCE: GEOPHYSICAL INSTITUTE...GOES 8 INFRARED AND MULTISPECTRAL IMAGERY. . ERUPTION DETAILS: VOLCANIC ASH OVER THE VOLCANO AT 27/0315Z . DETAILS OF ASH CLOUD: THE GEOPHYSICAL INSTITUTE REPORTS THAT THERE IS VOLCANIC ASH OVER THE VOLCANO TO FL230. ACCORDING TO THE OBSERVATION THE ASH IS MOVING TO THE NORTHEAST. SATELLITE IMAGERY SHOWS EXTENSIVE CLOUDS OVER THE AREA MAKING IT DIFFICULT TO DETECT ANY ASH AT THIS TIME. . TRAJECTORY: ACCORDING TO THE AVIATION MODEL ASH TO FL230 SHOULD MOVE TO THE SOUTHWEST AT 10 TO 15 KTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE AT 27/1115Z. . 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