FVXX20 KNES 120829 VA ADVISORY DTG: 20190512/0829Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2019/526 INFO SOURCE: GOES-EAST. WEB CAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: POSS ONGOING VA EM OBS VA DTG: 12/0810Z OBS VA CLD: SFC/FL170 N0000 W07755 - S0005 W07738 - S0005 W07740 - S0009 W07755 - N0000 W07755 MOV W 10KT FCST VA CLD +6HR: 12/1400Z SFC/FL170 N0000 W07757 - S0004 W07739 - S0005 W07739 - S0010 W07757 - N0000 W07757 FCST VA CLD +12HR: 12/2000Z SFC/FL170 N0001 W07759 - S0004 W07739 - S0005 W07738 - S0009 W07759 - N0001 W07759 FCST VA CLD +18HR: 13/0200Z SFC/FL170 NO ASH EXP RMK: VA NOT VISIBLE IN STLT IMAGERY DUE TO MET CLD NEAR SUMMIT. HOTSPOT PRESENT AND ACT SEEN IN WEB CAM. OBS BASED ON NWP MODEL GUIDANCE. ...BOLL NXT ADVISORY: WILL BE ISSUED BY 20190512/1430Z