FVXX21 KNES 291215
VOLCANIC ASH ADVISORY
ISSUED: 20070729/1214Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2007/462

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

ERUPTION DETAILS: ONGOING EMISSION OF GASES AND
ASH

OBS ASH DATE/TIME: 29/1145Z

OBS ASH CLOUD: SFC/FL250 8NM WIDE LINE BETWEEN
S0128 W07825 - S0140 W07856. ASH IS MOVING SW
10-15 KNOTS. 

FCST ASH CLOUD +6H: 29/1800Z SFC/FL270 10NM WIDE
LINE BETWEEN S0128 W07825 - S0152 W07917. 

FCST ASH CLOUD +12H: 30/0000Z SFC/FL270 10NM WIDE
LINE BETWEEN S0128 W07824 - S0152 W07917. 

FCST ASH CLOUD +18H: 30/0600Z SFC/FL270 10NM WIDE
LINE BETWEEN S0128 W07824 - S0152 W07916. 

REMARKS: IN MULTISPECTRAL IMAGERY A HINT OF A
FAINT NARROW PLUME  EXTENDED SOUTHWEST AROUND 27
NM FROM THE SUMMIT.  BASES ON WIND DIRECTION IT
IS ESTIMATED AROUND FL250.  IF MORE ASH IS SEEN
IN VISIBLE IMAGERY AND UPDATE WILL BE ISSUED
SOONER.   ...SWANSON

NEXT ADVISORY: WILL BE ISSUED BY 20070729/1815Z

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