FVXX21 KNES 291743
VOLCANIC ASH ADVISORY
ISSUED: 20070729/1742Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2007/463

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

ERUPTION DETAILS: ONGOING EMISSIONS OF GASES AND
ASH

OBS ASH DATE/TIME: 29/1715Z

OBS ASH CLOUD: SFC/FL270 S0128 W07844 - S0128
W07826 - S0147 W07836 - S0140 W07853 - S0128
W07844 MOVING W -SW 10-20 KNOTS. 

FCST ASH CLOUD +6H: 29/2330Z SFC/FL270 S0128
W07856 - S0128 W07826 - S0153 W07834 - S0151
W07855 - S0128 W07856 

FCST ASH CLOUD +12H: 30/0530Z SFC/FL270 S0128
W07856 - S0128 W07826 - S0153 W07834 - S0152
W07855 - S0128 W07856 

FCST ASH CLOUD +18H: 30/1130Z SFC/FL270 S0128
W07856 - S0128 W07826 - S0153 W07834 - S0152
W07855 - S0128 W07856 

REMARKS: IN VISIBLE IMAGERY THERE IS A FAINT AREA
OF ASH MOVING WEST FROM THE VOLCANO WHICH IS
ESTIMATED AROUND FL170.  OCCASIONAL PUFFS OF ASH
CAN ALSO BE SEEN FANNING SOUTHWEST AROUND 25 NM
AND DISSIPATING. THESE PUFFS ARE ESTIMATED AROUND
FL250 FROM PIREPS AND THE OBSERVATORY.   
...SWANSON

NEXT ADVISORY: WILL BE ISSUED BY 20070729/2345Z

Full Size Graphic

-Graphic Map Depicting Ash