FVXX22 KNES 110028 VA ADVISORY DTG: 20210811/0028Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2021/499 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: PSBL VA EMS. OBS VA DTG: 11/0011Z OBS VA CLD: SFC/FL200 N1902 W09855 - N1901 W09835 - N1859 W09836 - N1853 W09853 - N1902 W09855 MOV W 10KT FCST VA CLD +6HR: 11/0600Z SFC/FL200 N1905 W09910 - N1902 W09836 - N1859 W09836 - N1853 W09910 - N1905 W09910 FCST VA CLD +12HR: 11/1200Z NO VA EXP FCST VA CLD +18HR: 11/1800Z NO VA EXP RMK: VA NOT OBSD BY G16 OR WEBCAM DUE TO WX CLD CVR. OBS BASED ON PSBL EMS TO WX CLD EDGE. AND NWP MDLS, WHICH FCST LTLCG IN WINDS THRU T+6. ...HOSLEY NXT ADVISORY: WILL BE ISSUED BY 20210811/0630Z