FVXX20 KNES 020713 VOLCANIC ASH ADVISORY ISSUED: 2005AUG02/0712Z VAAC: WASHINGTON VOLCANO: ANATAHAN 0804-20 LOCATION: N1621E14540 AREA: MARIANA.ISLANDS SUMMIT ELEVATION: 2585 FT (788 M) ADVISORY NUMBER: 2005/620 INFORMATION SOURCE: GUAM WFO. GFS MODEL WINDS. GOES-9. EMO. USGS ERUPTION DETAILS: ONGOING ASH EMISSIONS OBS ASH DATE/TIME: 02/0625Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL030 MOVING TO S 5-10 KNOTS. FL050/FL120 MOVING TO SE 5-20 KNOTS. FL140/FL260 MOVING TO E 10-15 KNOTS. FCST ASH CLOUD +6H: 02/1230Z FCST ASH CLOUD +12H: 02/1830Z FCST ASH CLOUD +18H: 03/0030Z REMARKS: NO ASH OR HOTSPOTS CAN BE DETECTED IN SATELLITE IMAGERY BUT IT IS LIKELY THAT MID-LEVEL WEATHER CLOUDS ARE HAMPERING ASH DETECTION. NO ASH IS SEEN ABOVE OR BETWEEN CLOUDS AND THUS ASH HAS BEEN ASSUMED TO BE BELOW FL150. HOWEVER A 0430Z PILOT REPORT FROM NEAR THE VOLCANO CITES ASH FL250-FL260. ... NEXT ADVISORY: WILL BE ISSUED BY 2005AUG02/1315Z NNNN