FVXX21 KNES 182140 VOLCANIC ASH ADVISORY ISSUED: 2004OCT18/2139Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/501 INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12. GFS MODEL WINDS. ERUPTION DETAILS: ASH CLOUD OBSERVED AT 18/1500Z AND 18/1745Z. OBS ASH DATE/TIME: NIL OBS ASH CLOUD: FCST ASH CLOUD +6H: NOT AVBL FCST ASH CLOUD +12H: NOT AVBL FCST ASH CLOUD +18H: NOT AVBL REMARKS: NO PLUME CAN BE SEEN AT THE VOLCANO AS OF 18/2115Z IN RELATIVLY CLEAR IMAGERY. A SIGMET REPORTED THAT THE OBSERVATORY COULD SEE A CLOUD RISING OVER THE SUMMIT AT 1745Z. NO HOTSPOT IS DETECTED EITHER. ACTIVITY MUST BE NEAR SUMMIT. WE WILL CONITNUE TO MONITOR AND WILL ISSUED IF ASH IS AGAIN REPORTED OR DETECTED. ... THIS PRODUCTS HEADER WILL CHANGE FROM KWBC TO KNES EFFECTIVE OCT 28, 2004. NEXT ADVISORY: NO FURTHER ADVISORIES NNNN