FVXX21 KNES 131242
VOLCANIC ASH ADVISORY
ISSUED: 20070213/1242Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2007/001

INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12. GFS
WINDS. GEOPHYSICAL INST. 

ERUPTION DETAILS: MINOR ASH PLUME.

OBS ASH DATE/TIME: 13/1215Z

OBS ASH CLOUD: FL165/FL230 5NM WIDE LINE BETWEEN
S0129 W07845 - S0129 W07828. ASH IS MOVING W 10
KNOTS. 

FCST ASH CLOUD +6H: 13/1830Z FL165/FL230 5NM WIDE
LINE BETWEEN S0133 W07846 - S0129 W07828. 

FCST ASH CLOUD +12H: 14/0030Z ASH NOT
IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL
MOVING TO SW 10 KNOTS.

FCST ASH CLOUD +18H: 14/0630Z ASH NOT
IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL
MOVING TO SW 10 KNOTS.

REMARKS: THE INSTITUTE REPORTED AN ASH CLOUD TO
FL230 AT 13/1156Z.  EARLY MORNING VISIBLE IMAGERY
SHOWS A 4 NMI PLUME EXTENDING ABOUT 12 NMI TO THE
WEST OF THE VOLCANO.  SEISMIC ACTIVITY HAS
INCREASED SINCE AFTER 0315Z.  MODEL WINDS SUGGEST
THE PLUME WILL DRIFT MORE TO THE WESTSOUTHWEST
OVER TIME.  NO HOTSPOT OR ASH SIGNATURE IS SEEN
ON MULTISPECTRAL IMAGERY SO DETECTION WILL BE
DIFFICULT AFTER DARK. ...BALDWIN

NEXT ADVISORY: WILL BE ISSUED BY 20070213/1845Z

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