FVXX20 KNES 311240 VA ADVISORY DTG: 20181231/1240Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2018/1245 INFO SOURCE: GOES-EAST. VOLCANO WEB CAMERA. NWP MODELS. CIMSS VOLCAT. ERUPTION DETAILS: VA EM AT 1055Z. OBS VA DTG: 31/1215Z OBS VA CLD: SFC/FL170 N0012 W07755 - N0009 W07751 - N0004 W07755 - N0007 W07759 - N0012 W07755 MOV NW 15-20KT FCST VA CLD +6HR: 31/1830Z SFC/FL170 N0013 W07755 - S0004 W07739 - S0005 W07740 - N0007 W07759 - N0013 W07755 FCST VA CLD +12HR: 01/0030Z SFC/FL170 NO ASH EXP FCST VA CLD +18HR: 01/0630Z NO ASH EXP RMK: VA EM OBS ON WEBCAM AT 10155Z. VA APPEARS ON STLT AT 1115Z. VA IS ABT 20NM NW OF SUMMIT. NWP MDLS FCST LTLCG IN WINDS THRU T+6. ...HOSLEY NXT ADVISORY: WILL BE ISSUED BY 20181231/1845Z