FVXX21 KNES 221835 VOLCANIC ASH ADVISORY ISSUED: 20070722/1835Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2007/432 INFORMATION SOURCE: GOES-12. INFRASOUND DETECTION. GEOPHYSICAL INST. ERUPTION DETAILS: ONGOING EMISSIONS OBS ASH DATE/TIME: 22/1745Z OBS ASH CLOUD: VA NOT IDENTIFIABLE FROM SATELLITE DATA. FCST ASH CLOUD +6H: NOT AVBL FCST ASH CLOUD +12H: NOT AVBL FCST ASH CLOUD +18H: NOT AVBL REMARKS: THE ONGOING EMISSIONS PLUME HAS FADED WITHIN THE LAST 2 HOURS AND IS NO LONGER VISIBLE IN SATELLITE IMAGERY EVEN THOUGH THE AREA IS RELATIVELY CLOUD FREE. SEISMIC ACTIVITY HAS GONE BACK TO NORMAL LEVELS OF WEAK OUTGASING WITH ONLY THE ONE EXPLOSION DETECTED AROUND 12Z USING INFRASOUND DETECTION. ...GALLINA NEXT ADVISORY: NO FURTHER ADVISORIES