FVXX20 KNES 252219
VOLCANIC ASH ADVISORY
ISSUED: 2005OCT25/2217Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 4888 FT (1490 M)

ADVISORY NUMBER: 2005/16

INFORMATION SOURCE: GOES-12. GFS MODEL WINDS. 

ERUPTION DETAILS: ONGOING EMISSION SINCE 22/2330Z

OBS ASH DATE/TIME: 25/2145Z

OBS ASH CLOUD: SFC/FL150 S0042 W09117 - S0049
W09110 - S0049 W09109 - S0304 W09418 - S0143
W09509 - S0052 W09433 - S0042 W09117 MOVING SW
15-20 KNOTS. 

FCST ASH CLOUD +6H: 26/0400Z SFC/FL S0041 W09119 -
S0049 W09110 - S0050 W09110 - S0306 W09420 - S0145
W09510 - S0050 W09434 - S0041 W09119 

FCST ASH CLOUD +12H: 26/1000Z SFC/FL S0041 W09116
- S0048 W09110 - S0050 W09109 - S0305 W09426 -
S0140 W09515 - S0047 W09434 - S0041 W09116 

FCST ASH CLOUD +18H: 26/1600Z SFC/FL S0040 W09120
- S0048 W09110 - S0051 W09109 - S0306 W09427 -
S0132 W09515 - S0044 W09430 - S0040 W09120 

REMARKS: LARGER PLUME OF ASH AND STEAM OBSERVED
WITH LOWER SUN ANGLE ON IN THE GOES-12 IMAGERY AT
2145Z. THE PLUME EXTENDS APPROXIMATELY 250 NMI
SOUTHWEST OF THE SUMMIT. ...BROWN

NEXT ADVISORY: WILL BE ISSUED BY 2005OCT26/0415Z

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