FVXX21 KWBC 051310 VOLCANIC ASH ADVISORY ISSUED: 2001JUL05/1310Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S 7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2001/90. . INFORMATION SOURCE: GUAYAQUIL METEOROLOGICAL WATCH OFFICE. UPPER AIR FORECAST FROM THE AVIATION MODEL. . ERUPTION DETAILS: OBSERVATION OF ASH OVER VOLCANO AT 05/1245Z. . DETAILS OF ASH CLOUD: THE GEOPHYSICAL INSTITUTE IS REPORTING THAT ASH OVER THE VOLCANO HAS ERUPTED TO FL190. THE LATEST VISIBLE SATELLITE IMAGE AS 05/1245Z DOES SUGGEST A VERY THIN ASH CLOUD OVER AND JUST TO THE SOUTHWEST OF THE SUMMIT. . TRAJECTORY: ANY ASH FROM THE SUMMIT TO FL190 IS EXPECTED TO MOVE TO THE WEST SOUTHWEST AT 10 TO 20 KTS. . OUTLOOK: SEE SIGMETS. . THE NEXT ADVISORY WILL BE ISSUED ASAP AND WILL BE ACCOMPANIED BY A GRAPHIC. . 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. . ORRISON . NNNN