FVXX21 KNES 181358 VA ADVISORY DTG: 20220418/1358Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2022/440 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: VA CLDS OBS IN STLT IMAGERY OBS VA DTG: 18/1330Z OBS VA CLD: SFC/FL230 S0138 W07834 - S0159 W07819 - S0202 W07821 - S0152 W07844 - S0138 W07834 MOV NW 10KT FCST VA CLD +6HR: 18/1930Z SFC/FL230 S0140 W07847 - S0159 W07819 - S0202 W07819 - S0159 W07851 - S0140 W07847 FCST VA CLD +12HR: 19/0130Z SFC/FL230 S0140 W07849 - S0159 W07819 - S0204 W07819 - S0200 W07852 - S0140 W07849 FCST VA CLD +18HR: 19/0730Z NO VA EXP RMK: VA CLDS OBS IN STLT AND WEBCAM MOVG NW FM SUMMIT. VA DIR FM STLT. VA HGT FM VOLCAT. NWP MDLS SHOWS A NW-LY TO WNW-LY MOVMT TREND THRU T+12. ...SAMBUCCI NXT ADVISORY: WILL BE ISSUED BY 20220418/2000Z