FVXX24 KNES 311259 VA ADVISORY DTG: 20210531/1259Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2021/452 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: ONCL LGT VA EMS OBS IN STLT IMAGERY OBS VA DTG: 31/1246Z OBS VA CLD: SFC/FL190 N1902 W09838 - N1859 W09836 - N1848 W09843 - N1856 W09852 - N1902 W09838 MOV SW 10KT FCST VA CLD +6HR: 31/1900Z SFC/FL190 N1903 W09837 - N1859 W09835 - N1843 W09855 - N1855 W09902 - N1903 W09837 FCST VA CLD +12HR: 01/0100Z NO VA EXP FCST VA CLD +18HR: 01/0700Z NO VA EXP RMK: OCNL LGT VA EMS OBS IN SUMMIT WEBCAM AND STLT MOVG SW FM SUMMIT. VA HGT/DIR FM STLT/ NWP MLDS WHICH SHOWS SW-LY TO WSW-LY MOVMT TREND THRU T+6. ...SAMBUCCI NXT ADVISORY: WILL BE ISSUED BY 20210531/1900Z