FVXX20 KNES 120236 VA ADVISORY DTG: 20080212/0236Z VAAC: WASHINGTON VOLCANO: ANATAHAN 0804-20 PSN: N1621 E14539 AREA: MARIANA.ISLANDS SUMMIT ELEV: 2585 FT (788 M) ADVISORY NR: 2008/018 INFO SOURCE: GFS WINDS. USGS ERUPTION DETAILS: STEAM AND POSSIBLE ASH EMISSIONS OBS VA DTG: 11/0130Z OBS VA CLD: SFC/FL050 N1623 E14541 - N1620 E14546 - N1616 E14543 - N1618 E14538 - N1623 E14541 MOVING SE 0-5 KNOTS. SFC/FL050 N1631 E14535 - N1623 E14541 - N1617 E14538 - N1622 E14531 - N1631 E14535 MOVING NW 0-5 KNOTS. SFC/FL050 N1623 E14541 - N1622 E14543 - N1622 E14541 - N1623 E14541 - N1623 E14541 MOVING NW 0-5 KNOTS. FCST VA CLD +6HR: 11/0730Z SFC/FL N1629 E14534 - N1621 E14549 - N1614 E14546 - N1623 E14532 - N1629 E14534 FCST VA CLD +12HR: 11/1330Z SFC/FL050 N1630 E14534 - N1621 E14550 - N1614 E14546 - N1623 E14531 - N1630 E14534 FCST VA CLD +18HR: 11/1930Z SFC/FL050 N1630 E14534 - N1621 E14550 - N1613 E14547 - N1623 E14531 - N1630 E14534 RMK: IMAGERY SHOWS SLIGHTLY THICKER EMISSIONS SPREADING BOTH NORTHWEST AND SOUTHEAST OF THE SUMMIT. ESTIMATED HEIGHT IS AT OR BELOW FL050. SEISMIC ACTITIVITY REMAINS LOW. ...SCHWARTZ NXT ADVISORY: WILL BE ISSUED BY 20080212/0830Z NNNN