FVXX20 KNES 011959 VA ADVISORY DTG: 20210301/1959Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2021/238 INFO SOURCE: WEBCAM. ERUPTION DETAILS: DISCRETE VA EM AT 1348Z OBS VA DTG: 01/1348Z OBS VA CLD: SFC/FL210 N1912 W09836 - N1911 W09829 - N1859 W09835 - N1859 W09838 - N1912 W09836 MOV N 10KT FCST VA CLD +6HR: NOT AVBL FCST VA CLD +12HR: NOT AVBL FCST VA CLD +18HR: NOT AVBL RMK: WE HAVE RECEIVED INFORMATION SUGGESTING A POSSIBLE VA EMISSION. WE WILL GATHER FURTHER INFORMATION AND ISSUE A FULL ADVISORY AS SOON AS POSSIBLE. NXT ADVISORY: AS SOON AS POSSIBLE