FVXX20 KNES 150631 VA ADVISORY DTG: 20210315/0631Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2021/284 INFO SOURCE: GOES-16. NWP MODELS. HYSPLIT. VOLCAT. ERUPTION DETAILS: PSBL CONT VA OBS VA DTG: 20/0620Z OBS VA CLD: SFC/FL210 N1947 W09841 - N1902 W09838 - N1942 W09855 - N1947 W09841 MOV N 5KT FCST VA CLD +6HR: 20/1230Z SFC/FL210 N1948 W09840 - N1904 W09837 - N1945 W09856 - N1948 W09840 FCST VA CLD +12HR: 20/1830Z NO VA EXP FCST VA CLD +18HR: 21/0030Z NO VA EXP RMK: PSBL CONT VA EMS AND REMNANT ASH. VA EMS PSBL MOV N FM SUMMIT. VA NOT OBS IN STLT IMAGERY DUE TO LOW VIS. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20210315/1230Z