FVXX20 KNES 200624 VA ADVISORY DTG: 20180720/0624Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2018/689 INFO SOURCE: GOES-EAST. NWP MODELS. CIMSS VOLCAT. SEISMOGRAM. ERUPTION DETAILS: PSBL CONT VA EMS. OBS VA DTG: 20/0600Z OBS VA CLD: SFC/FL170 S0002 W07747 - S0007 W07747 - S0007 W07750 - S0003 W07751 - S0002 W07747 MOV W 15-20KT FCST VA CLD +6HR: 20/1200Z SFC/FL170 S0004 W07739 - S0005 W07739 - S0008 W07753 - S0004 W07755 - S0004 W07739 FCST VA CLD +12HR: 20/1800Z SFC/FL170 NO ASH EXP FCST VA CLD +18HR: 21/0000Z NO ASH EXP RMK: EARLIER VA EMS HAVE DISP. NEW PSBL VA EM OBS IN STLT IMAGERY SEISMOGRAM SUGGESTS MINOR ACT AT ABT 0540Z SUPPORTING SIGNATURE IS VA. NWP MDLS SUGGEST LTLCG IN WINDS THRU T+6HRS. ...HOSLEY NXT ADVISORY: WILL BE ISSUED BY 20180720/1230Z