FVXX20 KNES 181155 VA ADVISORY DTG: 20230518/1155Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17693 FT (5393 M) ADVISORY NR: 2023/598 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. HYSPLIT. ERUPTION DETAILS: CONT VA EMS SEEN IN SAT AND WEBCAM OBS VA DTG: 18/1146Z OBS VA CLD: SFC/FL230 N1919 W09729 - N1850 W09737 - N1859 W09836 - N1903 W09836 - N1919 W09729 MOV E 20KT FCST VA CLD +6HR: 18/1800Z SFC/FL230 N1929 W09640 - N1838 W09650 - N1859 W09837 - N1904 W09837 - N1929 W09640 FCST VA CLD +12HR: 19/0000Z SFC/FL230 N1920 W09641 - N1832 W09650 - N1858 W09838 - N1904 W09837 - N1920 W09641 FCST VA CLD +18HR: 19/0600Z SFC/FL230 N1904 W09836 - N1832 W09650 - N1746 W09715 - N1859 W09837 - N1904 W09836 RMK: INCREASED VA ACT OVER LAST FEW HRS WITH VA MOV E-LY AND EXTDG ARND 70 NM FM SUMMIT. NWP GUIDANCE SHOWS A CONT E MOV THRU T+12 HRS WITH A MORE SE MOV BY T+18 HRS. MOV AND HGT BASED ON SAT, WEBCAM, AND MODEL GUIDANCE. ...KIBLER NXT ADVISORY: WILL BE ISSUED BY 20230518/1800Z