FVXX21 KNES 290641 VA ADVISORY DTG: 20190729/0641Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2019/813 INFO SOURCE: GOES-EAST. WEB CAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: VA EM OBS OBS VA DTG: 29/0620Z OBS VA CLD: SFC/FL150 N0003 W07800 - S0004 W07739 - S0005 W07740 - S0004 W07803 - N0003 W07800 MOV W 10-15KT FCST VA CLD +6HR: 29/1230Z SFC/FL150 N0003 W07802 - S0005 W07739 - S0005 W07739 - S0007 W07804 - N0003 W07802 FCST VA CLD +12HR: 29/1830Z SFC/FL150 NO ASH EXP FCST VA CLD +18HR: 30/0030Z NO ASH EXP RMK: THIN VA EM VISIBLE IN STLT IMAGERY MOV W FM SUMMIT FL150. NWP MODEL GUIDANCE AGREES WELL WITH OBS TRAJECTORY. ...BOLL NXT ADVISORY: WILL BE ISSUED BY 20190729/1245Z