FVXX21 KNES 280636
VOLCANIC ASH ADVISORY
ISSUED: 20070728/0632Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2007/457

INFORMATION SOURCE: GOES-12. GFS WINDS. GUAYAQUIL
MWO SIGMETS

ERUPTION DETAILS: FREQUENT ASH EMISSIONS

OBS ASH DATE/TIME: 28/0545Z

OBS ASH CLOUD: SFC/FL290 S0124 W07834 - S0125
W07829 - S0132 W07829 - S0127 W07841 - S0124
W07834 MOVING SW 5-15 KNOTS. 

FCST ASH CLOUD +6H: 28/1200Z SFC/FL290 S0126
W07828 - S0143 W07828 - S0147 W07846 - S0128
W07849 - S0126 W07828 

FCST ASH CLOUD +12H: 28/1800Z SFC/FL290 S0128
W07826 - S0141 W07831 - S0152 W07844 - S0134
W07850 - S0128 W07826 

FCST ASH CLOUD +18H: 29/0000Z NOT AVBL

REMARKS: IN THE PAST 6 HOURS GEOPHYSICAL INST
OBSERVERS HAVE REPORTED SEVERAL ASH EMISSIONS
RANGING FROM FL210 TO FL290.  SOME OF THESE
EMISSIONS CAN BE TRACKED IN SATELLITE IMAGERY FOR
AN HOUR OR TWO AS THEY MOVE FROM THE SUMMIT
TOWARD THE WEST OR SOUTHWEST AND THEN DISSIPATE. 
THE MOST RECENT IMAGE AT 0545Z SHOWS A NEW PUFF
JUST WEST OF THE VOLCANO AND THE PREVIOUS PUFF
HAS ALREADY DISSIPATED. ...

NEXT ADVISORY: WILL BE ISSUED BY 20070728/1245Z