FVXX22 KNES 181502 VA ADVISORY DTG: 20170818/1502Z VAAC: WASHINGTON VOLCANO: SAN CRISTOBAL 344020 PSN: N1241 W08659 AREA: NICARAGUA SUMMIT ELEV: 5725 FT (1745 M) ADVISORY NR: 2017/004 INFO SOURCE: NON-OPERATIONAL GOES-16. METAR. NWP MODELS. INETER. ERUPTION DETAILS: NEW VA EMS OBS VA DTG: 18/1415Z OBS VA CLD: SFC/FL070 N1244 W08700 - N1240 W08659 - N1226 W08746 - N1242 W08819 - N1244 W08700 MOV W 25-30KT FCST VA CLD +6HR: 18/2030Z SFC/FL070 N1244 W08659 - N1240 W08659 - N1153 W08843 - N1222 W08902 - N1244 W08659 FCST VA CLD +12HR: 19/0230Z SFC/FL070 N1244 W08658 - N1241 W08659 - N1126 W08832 - N1157 W08853 - N1244 W08658 FCST VA CLD +18HR: 19/0830Z SFC/FL070 N1244 W08658 - N1241 W08658 - N1116 W08813 - N1141 W08835 - N1244 W08658 RMK: LATEST IMAGERY NOW SHOWS NEW EMS OF GASES AND POSSIBLE VA MOVING TOWARD THE W AT 25-30KT. EXTIMATED HEIGHT BY INETER IS FL070. ...SCHWARTZ NXT ADVISORY: WILL BE ISSUED BY 20170818/2100Z