FVXX20 KNES 230854
VOLCANIC ASH ADVISORY
ISSUED: 2005OCT23/0853Z   VAAC: WASHINGTON

VOLCANO: NEGRA, SIERRA 1503-05
LOCATION: S0049 W09110   AREA: GALAPAGOS

SUMMIT ELEVATION: 4888 FT (1490 M)

ADVISORY NUMBER: 2005/004

INFORMATION SOURCE: GOES-12. GFS MODEL WINDS.
VAFTAD. 

ERUPTION DETAILS: LARGE ERUPTION AT 22/2245Z

OBS ASH DATE/TIME: 23/0815Z

OBS ASH CLOUD: SFC/FL420 S0033 W09532 - S0036
W09528 - S0201 W09413 - S0303 W09509 - S0202
W09625 - S0046 W09615 - S0033 W09532 MOVING SW
25-30 KNOTS. SFC/FL200 S0033 W09219 - S0043 W09110
- S0055 W09110 - S0053 W09229 - S0033 W09219
MOVING W 10-15 KNOTS. 

FCST ASH CLOUD +6H: 23/1430Z SFC/FL420 S0115
W09653 - S0136 W09619 - S0311 W09542 - S0435
W09609 - S0414 W09655 - S0249 W09746 - S0115
W09653 SFC/FL200 S0025 W09244 - S0043 W09109 -
S0057 W09110 - S0046 W09249 - S0025 W09244 

FCST ASH CLOUD +12H: 23/2030Z SFC/FL420 S0226
W09811 - S0504 W09635 - S0609 W09646 - S0621
W09813 - S0311 W09857 - S0226 W09811 SFC/FL200
N0004 W09258 - S0044 W09108 - S0052 W09111 - S0023
W09258 - N0004 W09258 

FCST ASH CLOUD +18H: 24/0230Z SFC/FL420 NO ASH
EXP. SFC/FL200 N0005 W09303 - S0042 W09108 - S0050
W09111 - S0023 W09305 - N0005 W09303 

REMARKS: THE AREA OF ASH TO FL420 IS NO LONGER
CONNECTED TO THE SUMMIT.  THE LINE OF ASH
EXTENDING FROM THE VOLCANO IS ESTIMATED TO FL200
MOVING WEST AT 10-15 KNOTS.  A WELL DEFINED
HOTSPOT CONTINUE TO BE SEEN IN SATELLITE IMAGERY. 
WE WILL CONTINUE TO CLOSELY MONITOR AND ADVISE AS
NEEDED. ...KIBLER

NEXT ADVISORY: WILL BE ISSUED BY 2005OCT23/1500Z

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