FVXX24 KNES 060430 VA ADVISORY DTG: 20210406/0430Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/336 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: CONTG VA EMS. OBS VA DTG: 06/0410Z OBS VA CLD: SFC/FL190 S0149 W07908 - S0159 W07819 - S0201 W07820 - S0158 W07910 - S0149 W07908 MOV W 15KT FCST VA CLD +6HR: 06/1000Z SFC/FL190 S0156 W07913 - S0159 W07820 - S0201 W07819 - S0205 W07914 - S0156 W07913 FCST VA CLD +12HR: 06/1600Z SFC/FL190 S0155 W07913 - S0159 W07820 - S0202 W07819 - S0205 W07913 - S0155 W07913 FCST VA CLD +18HR: 06/2200Z NO VA EXP RMK: FQT DISCRETE VA EMS OBS MOV W UP TO 50 NM FM SUMMIT. OBS VA FL BASED ON NWP MDLS. FL WINDS FCST TO BACK SLIGHTLY BY T+6 THRU T+12 HRS. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20210406/1030Z