FVXX21 KNES 160829 VA ADVISORY DTG: 20191016/0829Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2019/984 INFO SOURCE: GOES-EAST. WEB CAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: POSS ONGOING VA EMS OBS VA DTG: 16/0816Z OBS VA CLD: SFC/FL220 N1911 W09853 - N1901 W09837 - N1900 W09837 - N1905 W09855 - N1911 W09853 MOV NW 15-20KT FCST VA CLD +6HR: 16/1430Z SFC/FL150 NO ASH EXP FCST VA CLD +12HR: 16/2030Z NO ASH EXP FCST VA CLD +18HR: 17/0230Z NO ASH EXP RMK: VA NOT VISIBLE IN STLT IMAGERY OR SEEN IN WEB CAM DUE TO HVY WX CLDS IN AREA. OBS BASED ON NWP MODEL GUIDANCE. ...BOLL NXT ADVISORY: WILL BE ISSUED BY 20191016/1430Z