FVXX20 KNES 270417 VOLCANIC ASH ADVISORY ISSUED: 2005OCT27/0417Z VAAC: WASHINGTON VOLCANO: NEGRA, SIERRA 1503-05 LOCATION: S0049 W09110 AREA: GALAPAGOS SUMMIT ELEVATION: 4888 FT (1490 M) ADVISORY NUMBER: 2005/21 INFORMATION SOURCE: GOES-12. GFS MODEL WINDS. ERUPTION DETAILS: ONGOING EMISSIONS SINCE 22/2330Z OBS ASH DATE/TIME: 27/0345ZZ OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL150 MOVING TO W 5-10 KNOTS. FCST ASH CLOUD +6H: 27/1000Z FCST ASH CLOUD +12H: 27/1600Z FCST ASH CLOUD +18H: 27/2200Z REMARKS: ASH IS NOT ABLE TO BE DETECTED IN SATELLITE IMAGERY AFTER SUNSET. HOWEVER..A PROMINENT HOTSPOT IS STILL SEEN OVER THE VOLCANO. ASH IS EXPECTED TO CONTINUE TO DRIFT IN A GENERALLY WESTERLY DIRECTION BASED ON MODEL SOUNDINGS. ...RUMINSKI NEXT ADVISORY: WILL BE ISSUED BY 2005OCT27/1015Z NNNN