FVXX22 KNES 110552 VA ADVISORY DTG: 20190411/0552Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2019/391 INFO SOURCE: GOES-EAST. WEB CAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: DISCRETE VA EMS OBS VA DTG: 11/0520Z OBS VA CLD: SFC/FL160 N0007 W07801 - S0004 W07739 - S0005 W07739 - S0007 W07804 - N0007 W07801 MOV W 10-15KT FCST VA CLD +6HR: 11/1130Z SFC/FL160 N0013 W07809 - S0004 W07738 - S0005 W07740 - S0010 W07811 - N0013 W07809 FCST VA CLD +12HR: 11/1730Z SFC/FL160 NO ASH EXP FCST VA CLD +18HR: 11/2330Z NO ASH EXP RMK: DISCRETE VA EMS OBS IN STLT IMAGERY MOV W FM SUMMIT FL160. FCST T+6HRS BASED ON NWP MODEL GUIDANCE. ...BOLL NXT ADVISORY: WILL BE ISSUED BY 20190411/1145Z