FVXX20 KNES 301221 VA ADVISORY DTG: 20170630/1221Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2017/189 INFO SOURCE: GOES-EAST. EXPERIMENTAL GOES-16. NWP MODELS. VOLCANO WEB CAMERA. ERUPTION DETAILS: SEEN IN STLT AT 30/1145Z AND WEB CAM. OBS VA DTG: 30/1200Z OBS VA CLD: SFC/FL190 N0020 W07747 - S0004 W07738 - S0005 W07740 - N0012 W07756 - N0020 W07747 MOV NW 15-20KT FCST VA CLD +6HR: 30/1800Z SFC/FL190 N0025 W07749 - S0003 W07738 - S0005 W07740 - N0013 W07801 - N0025 W07749 FCST VA CLD +12HR: 01/0000Z SFC/FL190 N0014 W07745 - S0002 W07738 - S0005 W07740 - N0006 W07753 - N0014 W07745 FCST VA CLD +18HR: 01/0600Z SFC/FL190 NO ASH EXP RMK: VA FIRST SEEN IN STLT AT 30/1145Z AND WEB CAM AT 30/1150Z. NWP MODELS HAVE A CONT WNW-NW MOV OVER NEXT 12 HRS. ...KIBLER NXT ADVISORY: WILL BE ISSUED BY 20170630/1815Z