FVXX21 KNES 261940
VOLCANIC ASH ADVISORY
ISSUED: 20061026/1940Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2006/657

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

ERUPTION DETAILS: ONGOING EMISSIONS OF GASES AND
ASH.

OBS ASH DATE/TIME: 26/1845Z

OBS ASH CLOUD: SFC/FL210 5NM WIDE LINE BETWEEN
S0128 W07843 - S0128 W07827. ASH IS MOVING W
10-15 KNOTS. 

FCST ASH CLOUD +6H: 27/0100Z SFC/FL210 5NM WIDE
LINE BETWEEN S0130 W07843 - S0129 W07828. 

FCST ASH CLOUD +12H: 27/0700Z SFC/FL210 5NM WIDE
LINE BETWEEN S0131 W07844 - S0128 W07827. 

FCST ASH CLOUD +18H: 27/1300Z SFC/FL210 5NM WIDE
LINE BETWEEN S0130 W07844 - S0128 W07827. 

REMARKS: EXTENT OF ASH PLUME HAS DECREASED OVER
THE PAST 6 HOURS.  A SMALL 5 NMI WIDE PLUME CAN
BE SEEN EXTENDING ABOUT 18 NMI TO THE WEST OF THE
SUMMIT.  HEIGHT LOWERED BASED ON MODEL WINDS AND
1830Z PILOT REPORT.  LITTLE CHANGE IN WIND
DIRECTION AND SPEED EXPECTED DURING THE NEXT 18
HOURS. ...BALDWIN

NEXT ADVISORY: WILL BE ISSUED BY 20061027/0145Z

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