FVXX21 KNES 111200 VA ADVISORY DTG: 20210311/1200Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/271 INFO SOURCE: GOES-16. NWP MODELS. HYSPLIT. GEOPHYSICAL INST. ERUPTION DETAILS: EXPLOSIVE ERUPTION FM 0815Z TO 1045Z OBS VA DTG: 11/1120Z OBS VA CLD: SFC/FL410 S0122 W07911 - S0125 W07801 - S0228 W07800 - S0229 W07919 - S0122 W07911 MOV W 20KT FCST VA CLD +6HR: 11/1730Z SFC/FL220 S0149 W07753 - S0151 W07659 - S0222 W07657 - S0220 W07752 - S0149 W07753 SFC/FL250 S0211 W07801 - S0226 W07756 - S0235 W07838 - S0218 W07834 - S0211 W07801 SFC/FL450 S0054 W08138 - S0150 W07836 - S0240 W07852 - S0145 W08156 - S0054 W08138 FCST VA CLD +12HR: 11/2330Z SFC/FL220 S0116 W07751 - S0228 W07541 - S0253 W07551 - S0225 W07745 - S0116 W07751 SFC/FL250 S0206 W07922 - S0237 W07716 - S0308 W07837 - S0240 W07934 - S0206 W07922 SFC/FL450 S0004 W08304 - S0201 W07934 - S0229 W07939 - S0220 W08237 - S0022 W08356 - S0004 W08304 FCST VA CLD +18HR: 12/0530Z SFC/FL220 S0059 W07636 - S0214 W07427 - S0328 W07559 - S0332 W07832 - S0253 W07934 - S0059 W07636 SFC/FL250 NO VA EXP SFC/FL450 N0042 W08522 - S0200 W08014 - S0252 W08023 - S0243 W08325 - N0002 W08602 - N0042 W08522 RMK: VA CLD CONT TO EXP IN ALL QUADS FM SUMMIT...47 NM W, 32 NM N, 23 NM E AND 29 NM S. FCST BASED ON HYSPLIT AND HGT BASED ON NWP MODELS. ...TURK NXT ADVISORY: WILL BE ISSUED BY 20210311/1800Z