FVXX21 KNES 281232
VOLCANIC ASH ADVISORY
ISSUED: 20070728/1231Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2007/458

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

ERUPTION DETAILS: ONGOING EMISSION OF GASES AND
ASH

OBS ASH DATE/TIME: 28/1145Z

OBS ASH CLOUD: SFC/FL280 S0105 W08026 - S0128
W07825 - S0147 W07831 - S0140 W07943 - S0105
W08026 MOVING W -SW 10-20 KNOTS. 

FCST ASH CLOUD +6H: 28/1800Z SFC/FL280 S0100
W08028 - S0128 W07825 - S0211 W07845 - S0153
W07954 - S0100 W08028 

FCST ASH CLOUD +12H: 29/0000Z SFC/FL280 S0101
W08027 - S0129 W07825 - S0232 W07856 - S0205
W07958 - S0101 W08027 

FCST ASH CLOUD +18H: 29/0600Z SFC/FL280 S0101
W08026 - S0129 W07825 - S0233 W07856 - S0205
W07958 - S0101 W08026 

REMARKS: A SERIES OF EMISSIONS CAN BE SEEN IN
IMAGERY WITH THE FARTHEST SMALL FAINT PUFF
ROUGHLY 97 NM WEST OF THE SUMMIT. WINDS ARE
SLIGHTLY VARIABLE SO THE PUFFS OF ASH ARE FANNING
TO THE WEST AND SOUTHWEST AND DISSIPATING.
MORNING PIREPS HAVE REPORTED ASH TO FL230 HOWEVER
THE ENERGY OF THE EMISSIONS FLUCTUATE SO HEIGHTS
MAY VARY.  ...SWANSON

NEXT ADVISORY: WILL BE ISSUED BY 20070728/1830Z

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