FVXX20 KNES 162352 VA ADVISORY DTG: 20210716/2352Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/557 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: INTMT VA CLD EMS. OBS VA DTG: 16/2320Z OBS VA CLD: SFC/FL160 S0002 W07748 - S0004 W07739 - S0005 W07739 - S0007 W07749 - S0002 W07748 MOV W 20KT FCST VA CLD +6HR: 17/0530Z SFC/FL160 S0001 W07759 - S0004 W07739 - S0005 W07739 - S0009 W07758 - S0001 W07759 FCST VA CLD +12HR: 17/1130Z SFC/FL160 S0003 W07801 - S0004 W07739 - S0005 W07739 - S0013 W07759 - S0003 W07801 FCST VA CLD +18HR: 17/1730Z SFC/FL160 S0001 W07801 - S0004 W07740 - S0005 W07740 - S0008 W07801 - S0001 W07801 RMK: VA CLD EM OBSD ON WEBCAM AT 2304Z. VA SIG OBSD MOVG W FM SUMMIT BY G16 STLT. FURTHER ACT LKLY. NWP MDLS FCST LTLCG IN WINDS THRU T+18HRS. ...HOSLEY NXT ADVISORY: WILL BE ISSUED BY 20210717/0545Z