FVXX20 KNES 190956 VA ADVISORY DTG: 20210519/0956Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/376 INFO SOURCE: GOES-16. WEBCAM. ERUPTION DETAILS: VA NOT OBS. OBS VA DTG: 19/0930Z OBS VA CLD: NO VA EXP FCST VA CLD +6HR: 19/1530Z NO VA EXP FCST VA CLD +12HR: 19/2130Z NO VA EXP FCST VA CLD +18HR: 20/0330Z NO VA EXP RMK: VA NOT OBS IN SAT OR WEBCAM IN PAST FEW HRS. NO NEW RPTS OF VA EMS RECEIVED SINCE PREV ADVISORY. SOME STEAM AND GAS EMS CONT TO BE OBS. ...CLARK NXT ADVISORY: NO FURTHER ADVISORIES