FVXX21 KNES 311309
VOLCANIC ASH ADVISORY
ISSUED: 20070731/1300Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2007/471

INFORMATION SOURCE: GOES-12. GFS WINDS. GUAYAQUIL
MWO SIGMETS

ERUPTION DETAILS: CONTINUOUS WEAK EMISSIONS

OBS ASH DATE/TIME: 31/1215Z

OBS ASH CLOUD: SFC/FL230 4NM WIDE LINE BETWEEN
S0119 W07850 - S0128 W07826. ASH IS MOVING W 10
KNOTS. 

FCST ASH CLOUD +6H: 31/1830Z NOT AVBL.

FCST ASH CLOUD +12H: 01/0030Z NOT AVBL.

FCST ASH CLOUD +18H: 01/0630Z NOT AVBL.

REMARKS: VISIBLE SATELLITE IMAGERY SHOWS A FAINT
AND FAIRLY NARROW ASH PLUME EXTENDING FROM THE
SUMMIT TOWARD THE WEST NORTHWEST.  THE OBSERVED
PLUME DIRECTION DOES NOT MATCH MODEL GUIDANCE SO
EVEN JUST A 6 HR FORECAST WOULD BE UNRELIABLE.  
...

NEXT ADVISORY: WILL BE ISSUED BY 20070731/1915Z

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