FVXX22 KNES 072155 VA ADVISORY DTG: 20230907/2155Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17693 FT (5393 M) ADVISORY NR: 2023/944 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: CONT HEAVY VA EMS OBS OBS VA DTG: 07/2101Z OBS VA CLD: SFC/FL240 N1916 W10026 - N1902 W09837 - N1840 W10022 - N1916 W10026 MOV W 10KT FCST VA CLD +6HR: 08/0300Z SFC/FL220 N1928 W10216 - N1902 W09836 - N1820 W10201 - N1928 W10216 FCST VA CLD +12HR: 08/0900Z SFC/FL220 N1938 W10345 - N1902 W09837 - N1804 W10314 - N1938 W10345 FCST VA CLD +18HR: 08/1500Z NO VA EXP RMK: CONT HEAVY VA EMS OBS MOV W IN STLT IMAGERY. HEAVY VA EMS FCST TO CONT W MOV THRU T+12HRS BEFORE DISP. VO ACT HIGH. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20230908/0400Z