FVXX23 KNES 060054
VOLCANIC ASH ADVISORY
ISSUED: 20070406/0054Z   VAAC: WASHINGTON

VOLCANO: TUNGURAHUA 1502-08
LOCATION: S0128 W07826   AREA: ECUADOR

SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2007/181

INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12. GFS
WINDS. INFRASOUND DETECTION. PILOT REPORT. 

ERUPTION DETAILS: ONGOING EMISSIONS.

OBS ASH DATE/TIME: 06/0015Z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM
SATELLITE DATA. WINDS FL200/FL280 MOVING TO W
5-10 KNOTS.

FCST ASH CLOUD +6H: 06/0630Z 

FCST ASH CLOUD +12H: 06/1230Z 

FCST ASH CLOUD +18H: 06/1830Z 

REMARKS: A WEAK HOTSPOT WAS SEEN ON MULTISPECTRAL
IMAGERY BETWEEN 2215Z AND 2245Z BUT NO ASH CAN BE
DETECTED FOR CERTAIN.  LATE-DAY VISIBLE IMAGERY
AT 2245Z MAY HAVE SHOWN A PLUME EXTENDING ABOUT
15-20 NMI TO THE WEST OF THE VOLCANO.  PILOT
REPORTS AT 2124Z AND 2343Z OBSERVED AN ASH CLOUD
TO BETWEEN FL250 AND FL280.  INFRASOUND
DETECTIONS ALSO SHOWED TREMORS ESPECIALLY AFTER
2230Z.  MODEL WINDS SUGGEST ANY ASH EMITTED AT
AROUND FL280 SHOULD MOVE WEST THROUGH THE NEXT 12
HOURS.  WILL CONTINUE TO MONITOR. ...BALDWIN

NEXT ADVISORY: WILL BE ISSUED BY 20070406/0700Z