FVXX21 KNES 090556 VA ADVISORY DTG: 20190709/0556Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2019/735 INFO SOURCE: GOES-EAST. NWP MODELS. VOLCAT. ERUPTION DETAILS: VA EXHALATIONS MOV W OBS VA DTG: 09/0540Z OBS VA CLD: SFC/FL160 N0004 W07757 - S0004 W07739 - S0005 W07739 - S0002 W07758 - N0004 W07757 MOV W 15KT FCST VA CLD +6HR: 09/1130Z SFC/FL160 N0007 W07803 - S0004 W07739 - S0005 W07739 - S0002 W07803 - N0007 W07803 FCST VA CLD +12HR: 09/1730Z SFC/FL160 NO ASH EXP FCST VA CLD +18HR: 09/2330Z NO ASH EXP RMK: MULTIPLE VA PUFFS DETECTED IN STLT MOV W EXTND APRX 20 NM FROM SUMMIT. FL ESTIMATED FRM MODEL DATA AND DERIVED PRODUCT IN AGREEMENT WITH VA DIR AND TYPICAL ACT FRM THI VOLCANO. ...VELASCO NXT ADVISORY: WILL BE ISSUED BY 20190709/1200Z