FVXX20 KNES 122246 VA ADVISORY DTG: 20080212/2243Z VAAC: WASHINGTON VOLCANO: ANATAHAN 0804-20 PSN: N1621 E14539 AREA: MARIANA.ISLANDS SUMMIT ELEV: 2585 FT (788 M) ADVISORY NR: 2008/022 INFO SOURCE: MTSAT. GFS WINDS. ERUPTION DETAILS: ONGOING EMISSIONS OF GASES AND POSSIBLE ASH OBS VA DTG: 12/2157Z OBS VA CLD: SFC/FL050 N1811 E14542 - N1809 E14558 - N1745 E14554 - N1744 E14541 - N1811 E14542 MOVING S 0-5 KNOTS. FCST VA CLD +6HR: 13/0400Z SFC/FL050 N1810 E14547 - N1807 E14603 - N1725 E14552 - N1734 E14520 - N1810 E14547 FCST VA CLD +12HR: 13/1000Z NOT AVBL. FCST VA CLD +18HR: 13/1600Z NOT AVBL. RMK: FIRST VISIBLE IMAGES OF THE DAY SHOWS THE THICKEST GAS AND POSSIBLE ASH EXTENDING 25 NMI TO THE SOUTH OF THE SUMMIT. VOG IS OBSERVED 200 NMI TO THE SW OF THE SUMMIT. NO FORECAST BEYOND 6 HRS DUE TO MODELS NOT CAPTURING INITIAL CONDITIONS. ...SCHWARTZ NXT ADVISORY: WILL BE ISSUED BY 20080213/0445Z NNNN