FVXX20 KNES 171845 VA ADVISORY DTG: 20080217/1843Z VAAC: WASHINGTON VOLCANO: ANATAHAN 0804-20 PSN: N1621 E14540 AREA: MARIANA.ISLANDS SUMMIT ELEV: 2585 FT (788 M) ADVISORY NR: 2008/033 INFO SOURCE: MTSAT. GFS WINDS. TERRA ERUPTION DETAILS: ONGOING LOW LEVEL STEAM AND ASH EMISSIONS OBS VA DTG: 17/1730Z OBS VA CLD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL040 MOVING FROM E 10-20 KNOTS. FCST VA CLD +6HR: 17/2330Z FCST VA CLD +12HR: 18/0530Z FCST VA CLD +18HR: 18/1130Z RMK: NO ASH OR HOTSPOTS CAN BE SEEN IN NIGHTTIME SAT IMAGERY. DURING LOCAL DAYLIGHT TERRA IMAGE SUGGESTED POSSIBLE LOW LEVEL ASH SO CONTINUING TO ISSUE VAA. NXT ADVISORY: WILL BE ISSUED BY 20080218/0045Z NNNN