FVXX20 KNES 171445
VOLCANIC ASH ADVISORY
ISSUED: 20060817/1445Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2006/549

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

ERUPTION DETAILS: LARGE EMISSION AT 17/0400Z TO
FL500 WITH  ONGOING EMISSION TO FL350

OBS ASH DATE/TIME: 17/1415Z

OBS ASH CLOUD: SFC/FL350 S0031 W08127 - S0038
W07947 - S0111 W07828 - S0122 W07825 - S0156
W07817 - S0153 W07923 - S0222 W07929 - S0147
W08116 - S0031 W08127 MOVING W 15-20 KNOTS.
FL350/500 S0115 W07808 - S0143 W07438 - S0217
W07456 - S0249 W07549 - S0218 W07810 - S0115
W07808 MOVING E 15-20 KNOTS. 

FCST ASH CLOUD +6H: 17/2030Z SFC/FL350 N0013
W08327 - S0100 W07835 - S0155 W07828 - S0144
W07949 - S0150 W08129 - S0051 W08323 - N0013
W08327 FL350-500/ S0122 W07715 - S0131 W07413 -
S0249 W07425 - S0230 W07716 - S0122 W07715 

FCST ASH CLOUD +12H: 18/0230Z SFC/FL350 S0007
W08241 - S0102 W07833 - S0153 W07830 - S0105
W08252 - S0007 W08241 

FCST ASH CLOUD +18H: 18/0830Z SFC/FL350 N0005
W08321 - S0102 W07830 - S0153 W07829 - S0058
W08316 - N0005 W08321 

REMARKS: IMAGERY INDICATES A LARGE EMISSION AT
ABOUT 17/0400Z.  TUNGURAHUA OBSERVATORY UNABLE TO
REPORT RELIABLE HEIGHT DUE TO DARKNESS AND CLOUDS
BUT BASED ON EASTWARD MOVEMENT ASH IS ESTIMATED
AS HIGH AS FL500.  AT THIS TIME GEOPHISYCAL
INSTITUTE REPORTS CONTINOUS EMISSIONS TO FL350
MOVING  WEST WITH SOME STEAM TO FL300 MOVING EAST
...SCHWARTZ

NEXT ADVISORY: WILL BE ISSUED BY 20060817/2045Z

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