FVXX20 KNES 261539
VOLCANIC ASH ADVISORY
ISSUED: 2005AUG26/1538Z   VAAC: WASHINGTON

VOLCANO: ANATAHAN 0804-20
LOCATION: N1621E14540   AREA: MARIANA.ISLANDS

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2005/724

INFORMATION SOURCE: GFS MODEL WINDS. RADIOSONDE.
GOES-9. 

ERUPTION DETAILS: CONTINUOUS ASH EMISSIONS

OBS ASH DATE/TIME: 26/1202Z

OBS ASH CLOUD: SFC/FL120 5NM WIDE LINE BETWEEN
N1702E14504 - N1620E14540. ASH IS MOVING NW 15-20
KNOTS. 

FCST ASH CLOUD +6H: 26/1800Z SFC/FL120 5NM WIDE
LINE BETWEEN N1713E14514 - N1649E14534 -
N1620E14540. 

FCST ASH CLOUD +12H: 27/0000Z SFC/FL120 5NM WIDE
LINE BETWEEN N1708E14546 - N1622E14539. 

FCST ASH CLOUD +18H: 27/0600Z SFC/FL120 5NM WIDE
LINE BETWEEN N1703E14553 - N1620E14540. 

REMARKS: UNTIL ABOUT 1202Z A FAINT ASH/STEAM PLUME
COULD BE SEEN EXTENDING FROM THE VOLCANO TOWARD
THE NORTH NORTHWEST.  HOWEVER DUE TO INCREASED
WEATHER CLOUDS THE PLUME CAN NO LONGER BE SEEN IN
THE 1502Z  IMAGE.    THE PLUMES APPEARANCE IN
DIFFERENT INFRARED CHANNELS MIGHT SUGGEST THAT IT
HAD MORE STEAM AND GAS CONTENT THAN ASH CONTENT.  
...

NEXT ADVISORY: WILL BE ISSUED BY 2005AUG26/2145Z

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