FVXX20 KNES 042027 VOLCANIC ASH ADVISORY ISSUED: 2005JUL04/2026Z VAAC: WASHINGTON VOLCANO: ANATAHAN 0804-20 LOCATION: N1621E14540 AREA: MARIANA.ISLANDS SUMMIT ELEVATION: 2585 FT (788 M) ADVISORY NUMBER: 2005/496 INFORMATION SOURCE: GOES-9. USGS. ERUPTION DETAILS: NEW ERUPTION MAYBE TO FL300 OBS ASH DATE/TIME: /Z OBS ASH CLOUD: FCST ASH CLOUD +6H: FCST ASH CLOUD +12H: FCST ASH CLOUD +18H: REMARKS: WE HAVE BEEN INFORMED BY THE USGS THAT THERE HAS BEEN A STRONGER SEISMIC SIGNAL REPORTED AT THE VOLCANO THAT COULD TRANSLATE TO AN ERUPTION CLOUD TO MAYBE AT LEAST FL300. THE WINDS FORECAST WOULD MOVE ASH UP TO FL300 TO THE SOUTHWEST AROUND 10-15 KNTOS. THE LASTEST SATELLITE IMAGE AT 2002 DOES NOT YET CAPTURE THE ERUPTION. ...SWANSON NEXT ADVISORY: WILL BE ISSUED AS SOON AS IMAGERY OR MORE INFORMATION BECOMES AVAILABLE NNNN