FVXX20 KNES 060638 VA ADVISORY DTG: 20200906/0638Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2020/849 INFO SOURCE: GOES-EAST. NWP MODELS. ERUPTION DETAILS: PSBL CONTG VA EMS. OBS VA DTG: 06/0610Z OBS VA CLD: SFC/FL220 S0159 W07820 - S0202 W07819 - S0211 W07854 - S0200 W07855 - S0159 W07820 MOV W 25-30KT FCST VA CLD +6HR: 06/1200Z SFC/FL220 S0159 W07819 - S0202 W07818 - S0217 W07922 - S0201 W07920 - S0159 W07819 FCST VA CLD +12HR: 06/1800Z NO VA EXP FCST VA CLD +18HR: 07/0000Z NO VA EXP RMK: VA CLDS FM PREV ADVISORY RAPIDY DSIPTD OVER LAST FEW HRS. VA NOT CURRENTLY OBS NEAR SUMMIT DUE TO WX CLD OBSCN BUT CONTG VA EMS STILL PSBL. OBS VA AREA ESTD FM NWP MDLS. ANY NEW AV EMS EXP TO MOV QUICKLY W-WARD. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20200906/1245Z