FVXX23 KNES 311957 VA ADVISORY DTG: 20080731/1957Z VAAC: WASHINGTON VOLCANO: ANATAHAN 0804-20 PSN: N1621 E14540 AREA: MARIANA.ISLANDS SUMMIT ELEV: 2585 FT (788 M) ADVISORY NR: 2008/130 INFO SOURCE: MTSAT. GFS WINDS. ERUPTION DETAILS: ONGOING EMISSIONS OF GAS AND PSBL VA OBS VA DTG: 31/1800Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL060 90/10KT FCST VA CLD +6HR: 01/0000Z FCST VA CLD +12HR: 01/0600Z FCST VA CLD +18HR: 01/1200Z RMK: VA NOT OBSERVED IN EVENING IMAGERY. ...SALEMI NXT ADVISORY: WILL BE ISSUED BY 20080801/0200Z NNNN