FVXX20 KNES 232125 VA ADVISORY DTG: 20200523/2125Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2020/506 INFO SOURCE: GOES-EAST. NWP MODELS. VOLCAT. ERUPTION DETAILS: VA EMS OBS BEGINNING 23/2000Z OBS VA DTG: 23/Z OBS VA CLD: SFC/FL200 S0159 W07819 - S0201 W07819 - S0211 W07841 - S0202 W07843 - S0159 W07819 MOV W 15-20KT FCST VA CLD +6HR: 24/0300Z SFC/FL200 S0157 W07843 - S0158 W07819 - S0201 W07819 - S0214 W07842 - S0157 W07843 FCST VA CLD +12HR: 24/0900Z NO ASH EXP FCST VA CLD +18HR: 24/1500Z NO ASH EXP RMK: MULTIPLE DISCRETE VA CLDS OBS IN SAT IMAGERY MOV WSW FM SUMMIT TO 17 NM BFR DSIPTG. OBS FL BASED ON VOLCAT ALERT 2040Z. NWP MDLS INDICATE CONTD WSW-LY MVMT THRU T+6. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20200524/0330Z