FVXX23 KNES 040928 VA ADVISORY DTG: 20200104/0928Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2020/009 INFO SOURCE: GOES-EAST. WEB CAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: ONGOING VA EMS OBS VA DTG: 04/0916Z OBS VA CLD: SFC/FL210 N1923 W09822 - N1911 W09811 - N1859 W09836 - N1901 W09837 - N1923 W09822 MOV NE 40-50KT FCST VA CLD +6HR: 04/1530Z SFC/FL210 N1925 W09822 - N1910 W09810 - N1858 W09837 - N1901 W09838 - N1925 W09822 FCST VA CLD +12HR: 04/2130Z SFC/FL210 NO ASH EXP FCST VA CLD +18HR: 05/0330Z NO ASH EXP RMK: VA NOT VISIBLE IN STLT IMAGERY DUE TO WX CLDS IN AREA. ACT SEEN IN WEB CAM. OBS BASED ON NWP MODEL GUIDANCE. ...BOLL NXT ADVISORY: WILL BE ISSUED BY 20200104/1530Z