FVXX22 KNES 291724 VA ADVISORY DTG: 20100529/1723Z VAAC: WASHINGTON VOLCANO: SARIGAN 0804-191 PSN: N1642 E14546 AREA: MARIANA.IS-C.PACIFIC SUMMIT ELEV: 1765 FT (538 M) ADVISORY NR: 2010/003 INFO SOURCE: MTSAT. GFS WINDS. RADIOSONDE. USGS. HYSPLIT ERUPTION DETAILS: BRIEF ERUPTION AT 1147Z OBS VA DTG: 29/1530Z OBS VA CLD: SFC/FL400 N1519 E14422 - N1517 E14531 - N1420 E14521 - N1402 E14459 - N1422 E14443 - N1519 E14422 MOV S 30KT FCST VA CLD +6HR: 29/2130Z SFC/FL420 N1252 E14202 - N1232 E14446 - N1059 E14440 - N1126 E14131 - N1252 E14202 FCST VA CLD +12HR: 30/0330Z SFC/FL420 NO ASH EXP FCST VA CLD +18HR: 30/0930Z NO ASH EXP RMK: ERUPTION FROM UNDERSEA PORTION OF SARIGAN NOT ANATAHAN NOW VERIFIED. HIGH CLOUD HAS A LOT OF WATER VAPOR AND IS DISPG AS IT MOV S. SOME LGT ASHFALL RPRTD ON SARIGAN BUT LOW CLD MOVG N NOT SEEN IN IMAGERY. ...SWANSON NXT ADVISORY: WILL BE ISSUED BY 20100529/2330Z NNNN