FVXX20 KNES 271550 VA ADVISORY DTG: 20190727/1550Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2019/618 INFO SOURCE: GOES-EAST. WEB CAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: ONGOING VA EMS OBS VA DTG: 27/1541Z OBS VA CLD: SFC/FL200 N1910 W09916 - N1902 W09837 - N1904 W09838 - N1859 W09838 - N1852 W09917 - N1910 W09916 MOV W 10-15KT FCST VA CLD +6HR: 27/2130Z SFC/FL200 N1924 W09920 - N1902 W09837 - N1858 W09837 - N1858 W09928 - N1924 W09920 FCST VA CLD +12HR: 28/0330Z SFC/FL200 N1916 W09929 - N1902 W09837 - N1847 W09931 - N1916 W09929 FCST VA CLD +18HR: 28/0930Z SFC/FL200 NO ASH EXP RMK: UPDATED VA FL BASED ON OBS VA MOV. CONT PUFFS OF VA MOV W 32NM FM THE SUMMIT, AND IS ALSO OBS IN WEBCAM. NWP MDL INDICATES A W TO NW MOV THRU +12HRS. ...ZHU NXT ADVISORY: WILL BE ISSUED BY 20190727/2145Z