FVXX20 KNES 281004
VOLCANIC ASH ADVISORY
ISSUED: 2005OCT28/1004Z   VAAC: WASHINGTON

VOLCANO: NEGRA, SIERRA 1503-05
LOCATION: S0049 W09109   AREA: GALAPAGOS

SUMMIT ELEVATION: 4888 FT (1490 M)

ADVISORY NUMBER: 2005/026

INFORMATION SOURCE: GOES-12. GFS MODEL WINDS. 

ERUPTION DETAILS: ONGOING EMISSIONS SINCE 22/2330Z

OBS ASH DATE/TIME: 28/0945Z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE
DATA. WINDS SFC/FL150 MOVING TO SW 5-10 KNOTS.

FCST ASH CLOUD +6H: 28/1600Z 

FCST ASH CLOUD +12H: 28/2200Z 

FCST ASH CLOUD +18H: 29/0400Z 

REMARKS: ASH AND GAS EMISSIONS ARE NOT DISCERNABLE
IN SATELLITE IMAGERY. THE LAST VISIBLE IMAGES
DEPICTED ASH FANNING OUT FROM THE SUMMIT CLOCKWISE
FROM SOUTHWEST TO NORTHWEST OF THE VOLCANO. MODEL
FORECAST WINDS INDICATE ASH WOULD MOVE TO THE
SOUTH..HOWEVER BASED ON LATEST OBSERVED PLUME FEEL
THAT ASH WILL MOVE TOWARD THE SOUTHWEST AT 5-10
KNOTS. ...RUMINSKI

NEXT ADVISORY: WILL BE ISSUED BY 2005OCT28/1600Z

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