FVXX20 KNES 211908
VOLCANIC ASH ADVISORY
ISSUED: 20060721/1907Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2006/467

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

ERUPTION DETAILS: THREE EXPLOSIONS STARTING AT
21/1742Z.

OBS ASH DATE/TIME: 21/1815Z

OBS ASH CLOUD: SFC/FL400 S0127 W07820 - S0143
W07814 - S0143 W07821 - S0138 W07825 - S0129
W07827 - S0127 W07820 MOVING S 5 KNOTS. SFC/FL300
S0120 W07832 - S0120 W07822 - S0126 W07820 -
S0128 W07825 - S0131 W07826 - S0128 W07838 -
S0120 W07832 MOVING NW 5-10 KNOTS. 

FCST ASH CLOUD +6H: 22/0030Z SFC/FL400 S0146
W07814 - S0156 W07806 - S0204 W07807 - S0159
W07814 - S0147 W07820 - S0146 W07814 SFC/FL300
S0116 W07857 - S0129 W07858 - S0130 W07910 -
S0124 W07914 - S0117 W07912 - S0117 W07904 -
S0116 W07857 

FCST ASH CLOUD +12H: 22/0630Z SFC/FL400 S0208
W07810 - S0210 W07759 - S0229 W07755 - S0223
W07804 - S0208 W07810 SFC/FL300 S0116 W07935 -
S0117 W07932 - S0138 W07934 - S0135 W07940 -
S0120 W07944 - S0116 W07935 

FCST ASH CLOUD +18H: 22/1230Z SFC/FL400 NO VA
EXP.SFC/FL300 NO VA EXP.

REMARKS: THE GEOPHYSICAL INSTITUTE REPORTS THREE
SEPERATE EXPLOSIONS STARTING AT 1742Z WITH THE
FIRST EXPLOSION BEING THE LARGEST OF THE THREE. 
THEY ALSO INDICATE ASH WAS SENT 7 KM ABOVE THE
SUMMIT WHICH CORRELATES TO AN ESTIMATED HEIGHT OF
FL400.  PYROCLASTIC FLOWS WERE ASSOCIATED WITH
THE ERUPTION OF TUNGURAHUA.  WE ESTIMATE THE ASH
HEADING SOUTH TO FL400 AND ASH MOVING WEST TO
FL300.  WE WILL ADVISE EARLY IF WE RECEIVE
FURTHER AND NEW INFORMATION. ...KIBLER

NEXT ADVISORY: WILL BE ISSUED BY 20060722/0100Z

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