FVXX20 KWBC 302059
VOLCANIC ASH ADVISORY
ISSUED: 2003AUG30/2100Z VAAC: WASHINGTON
VOLCANO: TUNGURAHUA 1502-08
LOCATION: S0128W07826 AREA: ECUADOR
SUMMIT ELEVATION: 16480 FT (5023 M)
ADVISORY NUMBER: 2003/188
INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS
FORECAST. GUAYAQUIL SIGMET.
ERUPTION DETAILS: ONGOING ERUPTION SINCE 20/1745Z.
OBS ASH DATE/TIME: 30/2015Z
OBS ASH CLOUD: SFC/FL270 S0128W07826 S0103W08044 S0017W08004
MOVING W AND NW AT 10-15 KNOTS. SFC/FL270 10 NM WIDE LINE OF
ASH BETWEEN S0128W07826 S0118W07850 MOVING WEST AT 10-15
KNOTS.
FCST ASH CLOUD+6H: SEE SIGMETS AND VAFTAD.
REMARKS: SATELLITE IMAGERY THROUGH 2015Z SHOWS A BROAD AREA
OF DISPERSING ASH EXTENDING UP TO 125 NM FROM THE SUMMIT.
THE SOUTHERN PORTION IS MOVING WEST AND THE NORTHERN PORTION
IS MOVING WEST NORTHWEST. WITHIN THIS AREA A THICKER PLUME
IS SEEN EXTENDING 25 NM TO THE WEST NORTHWEST OF THE SUMMIT.
THE GUAYAQUIL MWO REPORTS THAT LOCAL AIRCRAFT INDICATE THAT
THE ASH IS AT FL270.
NEXT ADVISORY: WILL BE ISSUED BY 2003AUG31/0300Z.
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"Attached Graphic Map Depicting Ash Only"
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