FVXX21 KNES 182229 VA ADVISORY DTG: 20180918/2229Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2018/080 INFO SOURCE: GOES-EAST. NWP MODELS. CIMSS VOLCAT. ERUPTION DETAILS: ONGOING VA EMS OBS VA DTG: 18/2145Z OBS VA CLD: SFC/FL190 S0200 W07819 - S0202 W07819 - S0219 W07846 - S0205 W07850 - S0200 W07819 MOV W 10-15KT FCST VA CLD +6HR: 19/0400Z SFC/FL190 S0200 W07820 - S0201 W07819 - S0220 W07846 - S0206 W07851 - S0200 W07820 FCST VA CLD +12HR: 19/1000Z SFC/FL190 S0201 W07820 - S0202 W07819 - S0220 W07846 - S0207 W07851 - S0201 W07820 FCST VA CLD +18HR: 19/1600Z SFC/FL190 S0200 W07819 - S0202 W07819 - S0214 W07850 - S0201 W07853 - S0200 W07819 RMK: VA EM OBS IN STLT IMAGERY MV WSW FM SUMMIT AT 10-15 KTS. NWP MODEL GUIDANCE AGREES WELL WITH OBS DIR. LTLCG FCST. ...BOLL NXT ADVISORY: WILL BE ISSUED BY 20180919/0430Z