FVXX20 KNES 051623 VA ADVISORY DTG: 20181005/1623Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2018/423 INFO SOURCE: GOES-EAST. NWP MODELS. VOLCANO WEB CAMERA. ERUPTION DETAILS: ONGOING VA EMS OBS VA DTG: 05/1612Z OBS VA CLD: SFC/FL190 N1903 W09846 - N1902 W09837 - N1859 W09837 - N1858 W09846 - N1903 W09846 MOV W 5-10KT FCST VA CLD +6HR: 05/2200Z SFC/FL190 NO ASH EXP FCST VA CLD +12HR: 06/0400Z NO ASH EXP FCST VA CLD +18HR: 06/1000Z NO ASH EXP RMK: VA EXTD 6NM FM THE SUMMIT. WEBCAM SHOWS ASH, STEAM AND GAS. NWP MODEL INDICATES A W MOV. ...ZHU NXT ADVISORY: WILL BE ISSUED BY 20181005/2230Z