FVXX20 KNES 011007 VA ADVISORY DTG: 20210501/1007Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/429 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: VA AND GASES SEEN IN SAT OBS VA DTG: 01/0940Z OBS VA CLD: SFC/FL210 S0151 W07901 - S0159 W07820 - S0202 W07820 - S0202 W07901 - S0151 W07901 MOV W 15KT FCST VA CLD +6HR: 01/1530Z SFC/FL210 S0149 W07911 - S0159 W07820 - S0202 W07821 - S0202 W07910 - S0149 W07911 FCST VA CLD +12HR: 01/2130Z NO VA EXP FCST VA CLD +18HR: 02/0330Z NO VA EXP RMK: VA AND GAS PLUME EXTDG ARND 35 NM FM SUMMIT. DIFFICULT TO DETERMINE HOW MUCH OF PLUME IS GAS AND ASH. MODEL GUIDANCE SHOWS A CONT W/WNW MOV THRU T+6 HRS. ...KIBLER NXT ADVISORY: WILL BE ISSUED BY 20210501/1600Z