FVXX21 KNES 101334 VA ADVISORY DTG: 20180810/1334Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2018/756 INFO SOURCE: GOES-EAST. NWP MODELS. CIMSS VOLCAT. SEISMIC DETECTION. GEOPHYSICAL INST. ERUPTION DETAILS: ERUPTION AT 1226Z. OBS VA DTG: 10/1300Z OBS VA CLD: SFC/FL170 N0004 W07757 - S0005 W07739 - S0006 W07741 - S0000 W07759 - N0004 W07757 MOV W 25-30KT FCST VA CLD +6HR: 10/1900Z SFC/FL170 N0029 W08002 - N0028 W07952 - N0018 W07953 - N0017 W08003 - N0029 W08002 SFC/FL170 N0007 W07759 - S0005 W07739 - S0005 W07740 - S0001 W07801 - N0007 W07759 FCST VA CLD +12HR: 11/0100Z SFC/FL170 NO ASH EXP FCST VA CLD +18HR: 11/0700Z NO ASH EXP RMK: VA EM OBS BY STLT TO 20 NM WNW OF SUMMIT. GEOPHYSICAL INST LAV4 SEISMOGRAM SHOWS MAJOR SEISMIC ACTIVITY AT 1226Z WITH VA OBS IN STLT BY 1230Z. NWP MDLS INDICATE LTLCG IN WIND SPEED OR DIRECTION THRU T+6HRS. ...HOSLEY NXT ADVISORY: WILL BE ISSUED BY 20180810/1930Z