FVXX20 KNES 170751
VA ADVISORY
DTG: 20080217/0749Z   VAAC: WASHINGTON

VOLCANO: ANATAHAN 0804-20
PSN: N1621 E14539   AREA: MARIANA.ISLANDS

SUMMIT ELEV: 2585 FT (788 M)

ADVISORY NR: 2008/031

INFO SOURCE: MTSAT. GFS WINDS. USGS. MODIS

ERUPTION DETAILS: INCREASED STEAM AND ASH
EMISSIONS 17/00Z

OBS VA DTG: 17/0630Z

OBS VA CLD: SFC/FL035 5NM WIDE LINE BETWEEN N1621
E14541 - N1556 E14504. ASH IS MOVING SW 15 KNOTS. 

FCST VA CLD +6HR: 17/1230Z SFC/FL035 5NM WIDE
LINE BETWEEN N1620 E14540 - N1610 E14506. 

FCST VA CLD +12HR: 17/1830Z SFC/FL035 5NM WIDE
LINE BETWEEN N1617 E14505 - N1620 E14541. 

FCST VA CLD +18HR: 18/0030Z NOT AVBL.

RMK: ON 17/00Z BACKGROUND SEISMICITY INCREASED.
TERRA 17/0040Z IMAGERY SHOWS STEAM AND ASH. THE
DENSEST AREA EXTENDS APPROX 30 NM TO THE SW OF
THE SUMMIT.  ...SPAMPATA

NXT ADVISORY: WILL BE ISSUED BY 20080217/1345Z

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