FVXX20 KNES 181532 VA ADVISORY DTG: 20200418/1532Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2020/421 INFO SOURCE: GOES-EAST. MEXICO CITY MWO. NWP MODELS. ERUPTION DETAILS: VA EMS CONTINUE OBS VA DTG: 18/1526Z OBS VA CLD: SFC/FL220 N1930 W09835 - N1901 W09837 - N1901 W09837 - N1930 W09850 - N1930 W09835 MOV N 10-15KT FCST VA CLD +6HR: 18/2130Z SFC/FL220 N1919 W09832 - N1902 W09836 - N1901 W09837 - N1919 W09844 - N1919 W09832 FCST VA CLD +12HR: 19/0330Z SFC/FL220 N1920 W09832 - N1901 W09836 - N1901 W09837 - N1919 W09844 - N1920 W09832 FCST VA CLD +18HR: 19/0930Z NO ASH EXP RMK: CONS DISCRETE VA EM SEEN ON STLT IMAGERY MOV N FM SUMMIT. VA HEIGHT AND FRCST BASED IMAGERY, VO RPRT AND MODEL GUIDANCE. ...KIM NXT ADVISORY: WILL BE ISSUED BY 20200418/2130Z