FVXX21 KNES 181034
VOLCANIC ASH ADVISORY
ISSUED: 20070418/1034Z   VAAC: WASHINGTON

VOLCANO: HUILA 1501-05
LOCATION: N0255 W07603   AREA: COLOMBIA

SUMMIT ELEVATION: 17602 FT (5365 M)

ADVISORY NUMBER: 2007/006

INFORMATION SOURCE: GOES-12. GFS WINDS. PILOT
REPORT. GOES-10. 

ERUPTION DETAILS: ERUPTION AT 17/0815

OBS ASH DATE/TIME: 18/958Z

OBS ASH CLOUD: SFC/FL300 20NM WIDE LINE BETWEEN
N0255 W07603 - N0225 W07624. ASH IS MOVING SW
5-10 KNOTS. SFC/FL370 10NM WIDE LINE BETWEEN
N0255 W07602 - N0259 W07525. ASH IS MOVING E 0-5
KNOTS. 

FCST ASH CLOUD +6H: 18/1600Z SFC/FL300 25NM WIDE
LINE BETWEEN N0235 W07616 - N0146 W07659.
FL300/370 NO ASH EXP.

FCST ASH CLOUD +12H: 18/2200Z SFC/FL300 NO ASH
EXP.SFC/FL300 NO ASH EXP.

FCST ASH CLOUD +18H: 19/0400Z NO ASH EXP.

REMARKS: REPORT FROM COLOMBIA REPORTED A PILOT
REPORT OF ASH FROM HUILA VOLCANO.  GOES-10 SPLIT
WINDOW IMAGERY SHOWED AN ERUPTION STARTING AT
0815Z WITH A CLOUD APPROXIMATED AT FL370 MOVING
TOWARD THE EAST WHICH HAS ALMOST FULLY DISSIPATED
AT THIS TIME.  HOWEVER A SECOND LINE OF ASH COULD
BE SEEN MOVING SW ALONG THE SPINE OF MOUNTAINS.  
HEIGHT OF ASH CLOUD IS ESTIMATED AND THERE IS LOW
CONFIDENCE...IF YOU HAVE INFORMATION ON ASH
HEIGHTS PLEASE MAKE AVAILABLE... 
...GALLINA/BALDWIN

NEXT ADVISORY: WILL BE ISSUED BY 20070418/1630Z

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