FVXX21 KNES 030623 VA ADVISORY DTG: 20210103/0623Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2021/009 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. RADIOSONDE. ERUPTION DETAILS: VA EM OBS IN STLT. OBS VA DTG: 03/0616Z OBS VA CLD: SFC/FL190 N1918 W09817 - N1911 W09813 - N1900 W09836 - N1901 W09837 - N1918 W09817 MOV NE 25KT FCST VA CLD +6HR: 03/1230Z SFC/FL190 N1919 W09817 - N1911 W09812 - N1900 W09836 - N1901 W09837 - N1919 W09817 FCST VA CLD +12HR: 03/1830Z NO VA EXP FCST VA CLD +18HR: 04/0030Z NO VA EXP RMK: VA PUFF OBS IN STLT MOV NE OF SUMMIT APRX 24 NMI PRIOR TO DSIPTG. OCCL VA EM MIXED WITH STEAM AND GAS POSS BASED ON RECENT HISTORY AND WEBCAM OBS. ...LEVINE NXT ADVISORY: WILL BE ISSUED BY 20210103/1230Z