FVXX20 KNES 140341 VOLCANIC ASH ADVISORY ISSUED: 2005JUL14/0341Z VAAC: WASHINGTON VOLCANO: ANATAHAN 0804-20 LOCATION: N1621E14540 AREA: MARIANA.ISLANDS SUMMIT ELEVATION: 2585 FT (788 M) ADVISORY NUMBER: 2005/540 INFORMATION SOURCE: GUAM WFO. HONOLULU MWO. GFS MODEL WINDS. GOES-9. USGS. ERUPTION DETAILS: ONGOING ASH EMISSIONS OBS ASH DATE/TIME: 14/0302Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL170 MOVING TO NE 5-15 KNOTS. SFC/FL310 MOVING TO W 5-10 KNOTS. FCST ASH CLOUD +6H: 14/0900Z WINDS SFC/FL070 MOVING TO NE 15 KNOTS. FL070/FL200 MOVING TO N 10-15 KNOTS. FL200/FL310 MOVING TO W 5-10 KNOTS. FCST ASH CLOUD +12H: 14/1500Z WINDS SFC/FL200 MOVING TO N 10-20 KNOTS. FL200/FL310 MOVING TO W 5-10 KNOTS. FCST ASH CLOUD +18H: 14/2100Z WINDS SFC/FL270 MOVING TO N 5-15 KNOTS. FL270/FL310 MOVING TO W 0-5 KNOTS. REMARKS: GUAM WFO ANALYSTS SUGGESTED THAT ASH WAS NOW REACHING FL310 BASED ON LONG RANGE RADAR. VISIBLE IMAGERY INDICATES IT MAY BE MORE OF A THUNDERSTORM...BUT DEFINATELY CAPABLE OF TRANSPORTING ASH TO A HIGHER LEVEL. WINDS WILL BEGIN TO SHIFT IN THE LOW LEVELS FROM SW TO S BY THE END OF THE FORECAST PERIOD...HIGHEST LEVEL ASH SHOULD CONTINUE TO DRIFT W THROUGHOUT THE PERIOD ...GALLINA NEXT ADVISORY: WILL BE ISSUED BY 2005JUL14/0945Z NNNN