FVXX20 KNES 100428 VA ADVISORY DTG: 20210310/0428Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2021/263 INFO SOURCE: GOES-16. NWP MODELS. VOLCAT. ERUPTION DETAILS: NEW VA EM OBS IN SAT. OBS VA DTG: 10/0421Z OBS VA CLD: SFC/FL190 N1902 W09837 - N1902 W09836 - N1847 W09840 - N1850 W09848 - N1902 W09837 MOV SW 10KT FCST VA CLD +6HR: 10/1030Z SFC/FL190 N1902 W09836 - N1832 W09842 - N1841 W09859 - N1902 W09837 - N1902 W09836 FCST VA CLD +12HR: 10/1630Z NO VA EXP FCST VA CLD +18HR: 10/2230Z NO VA EXP RMK: SMALL VA EM OBS MOV SW UP TO 15 NM FM SUMMIT. OBS VA FL ESTD FM NWP MDLS AND VOLCAT ALERT. LTLCG EXP IN FL WIND THRU T+6 HRS. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20210310/1030Z