FVXX20 KNES 302223
VA ADVISORY
DTG: 20090930/2222Z

VAAC: WASHINGTON

VOLCANO: GALERAS 1501-08
PSN: N0113 W07722

AREA: COLOMBIA

SUMMIT ELEV: 14029 FT (4276 M)

ADVISORY NR: 2009/027

INFO SOURCE: GOES-12. GFS WINDS. SEISMIC
DETECTION. PILOT REPORT. CO2 SLICING TECHNIQUE

ERUPTION DETAILS: EXPLOSIVE ERUPTION AT 30/1414Z 

OBS VA DTG: 30/2145Z

OBS VA CLD: SFC/FL450 N0435 W07659 - N0429 W07548
- N0335 W07617 - N0346 W07704 - N0435 W07659 MOV
N 20-25KT 

FCST VA CLD +6HR: 01/0400Z SFC/FL450 NO ASH EXP

FCST VA CLD +12HR: 01/1000Z NO ASH EXP

FCST VA CLD +18HR: 01/1600Z NO ASH EXP

RMK: LOWER LEVEL ASH COULD NOT BE DISCERNED WHILE
HIGHER LEVEL ASH WAS BECOMING DIFFICULT TO DETECT
AS IT BECAME MORE DIFFUSE AND CO-LOCATED WITH
TSTORM ACTIVITY AT 2145Z. CO2 SLICING SUGGESTS
ASH TO FL450 WAS POSSIBLE. ...

NXT ADVISORY: WILL BE ISSUED BY 20091001/0415Z

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