FVXX22 KNES 211655 VA ADVISORY DTG: 20200921/1655Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2020/833 INFO SOURCE: GOES-EAST. WEB CAM. NWP MODELS. ERUPTION DETAILS: CONS EM OBS VA DTG: 21/1636Z OBS VA CLD: SFC/FL190 N1928 W09856 - N1904 W09837 - N1901 W09840 - N1913 W09904 - N1928 W09856 MOV NW 5-10KT FCST VA CLD +6HR: 21/2230Z SFC/FL190 N1928 W09820 - N1902 W09811 - N1900 W09839 - N1925 W09859 - N1928 W09820 FCST VA CLD +12HR: 22/0430Z NO VA EXP FCST VA CLD +18HR: 22/1030Z NO VA EXP RMK: EARLY UPDATE PRIOR TO ARRIVAL OF WX CLD...VA EXT 15 NM NW OF THE SUMMIT. NWP MODEL GUIDANCE SUGGESTS SIG SHIFT OF WINDS OVR NXT 6 HRS, WHICH RESULTS IN LOW CONFIDENCE IN FCST. ...TURK NXT ADVISORY: WILL BE ISSUED BY 20200921/2300Z