FVXX20 KNES 141634 VA ADVISORY DTG: 20210514/1634Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2021/436 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: CONS VA EMS. OBS VA DTG: 14/1601Z OBS VA CLD: SFC/FL230 N1913 W09856 - N1902 W09837 - N1900 W09838 - N1858 W09858 - N1913 W09856 MOV W 10KT FCST VA CLD +6HR: 14/2200Z SFC/FL230 N1944 W09908 - N1910 W09834 - N1900 W09837 - N1900 W09859 - N1917 W09926 - N1944 W09908 FCST VA CLD +12HR: 15/0400Z SFC/FL230 N1944 W09820 - N1858 W09827 - N1859 W09837 - N1907 W09858 - N1939 W09906 - N1944 W09820 FCST VA CLD +18HR: 15/1000Z SFC/FL230 N1938 W09824 - N1907 W09741 - N1832 W09819 - N1902 W09850 - N1938 W09824 RMK: VA EMS OBSD IN WEBCAM AND STLT STARTING AT 1426Z. WEBCAMS NOW OBSCD BY WX CLD CVR. NWP MDLS FCST LGT AND VRBL WINDS THRU T+18. CONFDC IN FCSTS IS ONLY MED DUE TO LGT WINDS. ...HOSLEY NXT ADVISORY: WILL BE ISSUED BY 20210514/2230Z