FVXX21 KNES 170242 VA ADVISORY DTG: 20190617/0242Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2019/041 INFO SOURCE: GOES-EAST. NWP MODELS. VOLCAT. ERUPTION DETAILS: UPDATED VA LOCATION OBS VA DTG: 17/0220Z OBS VA CLD: SFC/FL200 S0156 W07917 - S0158 W07819 - S0201 W07819 - S0212 W07908 - S0223 W07933 - S0214 W07940 - S0156 W07917 MOV W 15-20KT FCST VA CLD +6HR: 17/0830Z SFC/FL200 S0154 W08010 - S0159 W07820 - S0201 W07820 - S0207 W07930 - S0222 W08023 - S0214 W08032 - S0154 W08010 FCST VA CLD +12HR: 17/1430Z SFC/FL200 NO ASH EXP FCST VA CLD +18HR: 17/2030Z NO ASH EXP RMK: VA VISIBLE IN STLT IMAGERY MOV W FROM SUMMIT FL200. NWP MODEL GUIDANCE AGREES WELL WITH OBS TRAJECTORY ...BOLL NXT ADVISORY: WILL BE ISSUED BY 20190617/0845Z