FVXX21 KNES 271630
VA ADVISORY
DTG: 20071127/1624Z   VAAC: WASHINGTON

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

SUMMIT ELEV: 16480 FT (5023 M)

ADVISORY NR: 2007/831

INFO SOURCE: GOES-12. GFS WINDS. SIGMET CITING
PILOT REPORT

ERUPTION DETAILS: ONGOING EMISSIONS OF ASH AND
STEAM

OBS VA DTG: 27/1545Z

OBS VA CLD: SFC/FL280 8NM WIDE LINE BETWEEN S0132
W07853 - S0128 W07826. ASH IS MOVING W 10 KNOTS. 

FCST VA CLD +6HR: 27/2200Z SFC/FL280 8NM WIDE
LINE BETWEEN S0128 W07853 - S0129 W07825. 

FCST VA CLD +12HR: 28/0400Z SFC/FL280 8NM WIDE
LINE BETWEEN S0132 W07853 - S0130 W07826. 

FCST VA CLD +18HR: 28/1000Z SFC/FL280 8NM WIDE
LINE BETWEEN S0135 W07853 - S0129 W07826. 

RMK: A SIGMET CITES A PILOT REPORT OF ASH
FL260/280. SAT IMAGERY SHOWS A FAINT ASH PLUME
EXTENDING FROM VOLCANO TOWARD WEST.  A HOTSPOT
IS ALSO SEEN.  HIGH FCST UNCERTAINTY DUE
TO LARGE VERTICAL WIND SHEAR AT AND ABV
RPTD ASH LEVEL.

NXT ADVISORY: WILL BE ISSUED BY 20071127/2230Z

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