FVXX20 KNES 280906 VA ADVISORY DTG: 20200528/0906Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2020/515 INFO SOURCE: GOES-EAST. NWP MODELS. VOLCAT. ERUPTION DETAILS: VA CLDS OBS IN STLT IMAGERY OBS VA DTG: 28/0840Z OBS VA CLD: SFC/FL190 S0153 W07838 - S0156 W07820 - S0204 W07819 - S0210 W07838 - S0153 W07838 MOV W 10-15KT FCST VA CLD +6HR: 28/1430Z SFC/FL190 S0150 W07844 - S0156 W07819 - S0205 W07818 - S0214 W07844 - S0150 W07844 FCST VA CLD +12HR: 28/2030Z SFC/FL190 S0151 W07843 - S0156 W07818 - S0204 W07818 - S0213 W07844 - S0151 W07843 FCST VA CLD +18HR: 29/0230Z SFC/FL190 S0150 W07845 - S0156 W07818 - S0205 W07818 - S0214 W07845 - S0150 W07845 RMK: VA CLDS CONT OBS IN STLT MOVG W FM SUMMIT. LOW CONF WITH VA EXT DUE TO WX CLDS. VA HGT/DIR FM STLT/NWP MDLS SHOWS CONT W-LY MOVMT THRU T+18. ...SAMBUCCI NXT ADVISORY: WILL BE ISSUED BY 20200528/1500Z