FVXX20 KNES 251540
VOLCANIC ASH ADVISORY
ISSUED: 2005AUG25/1540Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2005/720

INFORMATION SOURCE: GFS MODEL WINDS. GOES-9. 

ERUPTION DETAILS: ONGOING ASH EMISSIONS

OBS ASH DATE/TIME: 25/1502Z

OBS ASH CLOUD: SFC/FL220 10NM WIDE LINE BETWEEN
N1622E14540 - N1602E14428. ASH IS MOVING SW 20-25
KNOTS. 

FCST ASH CLOUD +6H: 25/2100Z SFC/FL220 20NM WIDE
LINE BETWEEN N1622E14540 - N1548E14330. 

FCST ASH CLOUD +12H: 26/0300Z SFC/FL220 20NM WIDE
LINE BETWEEN N1621E14540 - N1528E14414. 

FCST ASH CLOUD +18H: 26/0900Z SFC/FL220 20NM WIDE
LINE BETWEEN N1621E14540 - N1539E14404. 

REMARKS: IR AND MULTISPECTRAL  IMAGERY AFTER
ECLIPSE INDICATES A NARROW PLUME TO THE WSW OF THE
VOLCANO.  CLOUDY CONDITIONS SW OF THE PLUME MAKE
IT DIFFICULT TO DETERMINE WHERE IT ENDS.  STRONG
NE WINDS SHOULD CONTINUE TO TRANSPORT ASH TO THE
SW OVER THE NEXT DAY OR SO.  ...GALLINA

NEXT ADVISORY: WILL BE ISSUED BY 2005AUG25/2145Z

NNNN
Full Size Graphic


-