FVXX20 KNES 211410 VA ADVISORY DTG: 20150921/1410Z VAAC: WASHINGTON VOLCANO: COLIMA 341040 PSN: N1930 W10337 AREA: MEXICO SUMMIT ELEV: 12631 FT (3850 M) ADVISORY NR: 2015/496 INFO SOURCE: GOES-EAST. MEXICO CITY MWO. RADIOSONDE. ERUPTION DETAILS: ONGOING EMISSIONS OBS VA DTG: 21/1345Z OBS VA CLD: SFC/FL180 N1934 W10337 - N1927 W10337 - N1920 W10408 - N1929 W10408 - N1934 W10337 MOV W 15KT SFC/FL180 N1919 W10448 - N1858 W10449 - N1821 W10505 - N1816 W10531 - N1906 W10534 - N1914 W10510 - N1919 W10448 MOV W 15KT FCST VA CLD +6HR: 21/2000Z SFC/FL180 N1932 W10338 - N1926 W10335 - N1834 W10530 - N1921 W10532 - N1932 W10338 FCST VA CLD +12HR: 22/0200Z SFC/FL180 N1940 W10537 - N1934 W10334 - N1928 W10335 - N1839 W10536 - N1940 W10537 FCST VA CLD +18HR: 22/0800Z SFC/FL180 N1940 W10537 - N1932 W10337 - N1926 W10334 - N1853 W10540 - N1940 W10537 RMK: IMAGERY SHOWS OCCNL PUFFS OF VA CONTINUING TO OCCUR. DISSIPATING VA FROM EARLIER EMISSION IS SEEN UP TO 130 WSW FROM THE VOLCANO. THICKER PUFFS OF VA IS SEEN 30 NMI W OF VOLCANO. FORECAST IS FOR POSSIBLE FUTURE EMISSIONS. MORNING RADIOSONDE PLACES VA AT ABOUT FL180. ...SCHWARTZ NXT ADVISORY: WILL BE ISSUED BY 20150921/2015Z