FVXX20 KNES 042343
VOLCANIC ASH ADVISORY
ISSUED: 20071004/2342Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2007/621

INFORMATION SOURCE: GOES-12. GFS WINDS.
INFRASOUND DETECTION. GEOPHYSICAL INST. 

ERUPTION DETAILS: ONGOING EMISSIONS

OBS ASH DATE/TIME: 04/2315Z

OBS ASH CLOUD: FL165/FL200 4NM WIDE LINE BETWEEN
S0116 W07843 - S0128 W07828. ASH IS MOVING NW 15
KNOTS. 

FCST ASH CLOUD +6H: 05/0530Z ASH NOT IDENTIFIABLE
FROM SATELLITE DATA. WINDS FL165/FL200 MOVING TO
NW 10-15 KNOTS.

FCST ASH CLOUD +12H: 05/1130Z ASH NOT
IDENTIFIABLE FROM SATELLITE DATA. WINDS
FL165/FL200 MOVING TO W 5-15 KNOTS.

FCST ASH CLOUD +18H: 05/1730Z ASH NOT
IDENTIFIABLE FROM SATELLITE DATA. WINDS
FL165/FL200 MOVING TO W 5-15 KNOTS.

REMARKS: ONCE AGAIN, LATE-DAY VISIBLE IMAGERY
SHOWS A 4 NMI WIDE PLUME EXTENDING ABOUT 18 NMI
TO THE NORTHWEST OF THE SUMMIT.  THE INSTITUTE
REPORTED AT 1734Z ASH TO FL200.  SPORADIC SEISMIC
ACTIVITY IS NOTED. ...BALDWIN

NEXT ADVISORY: WILL BE ISSUED BY 20071005/0545Z

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