FVXX20 KNES 011012 VA ADVISORY DTG: 20190801/1012Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2019/639 INFO SOURCE: GOES-EAST. WEB CAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: POSS ONGOING VA EM OBS VA DTG: 01/0956Z OBS VA CLD: SFC/FL210 N1914 W09856 - N1911 W09828 - N1859 W09820 - N1849 W09834 - N1858 W09902 - N1914 W09856 MOV W 5-10KT FCST VA CLD +6HR: 01/1600Z SFC/FL210 N1919 W09856 - N1911 W09826 - N1855 W09822 - N1848 W09835 - N1905 W09904 - N1919 W09856 FCST VA CLD +12HR: 01/2200Z SFC/FL210 NO ASH EXP FCST VA CLD +18HR: 02/0400Z NO ASH EXP RMK: VA EM NOT VISIBLE IN STLT IMAGERY UNDER CLR WX CLDS. POSS THIN VA NEAR SUMMIT. NWP MODELS SUGGEST LIGHT WINDS IN AREA. ...BOLL NXT ADVISORY: WILL BE ISSUED BY 20190801/1615Z