FVXX25 KNES 201915 VA ADVISORY DTG: 20241020/1915Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17693 FT (5393 M) ADVISORY NR: 2024/639 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: VA EMS PSBL OBS VA DTG: 20/1856Z OBS VA CLD: SFC/FL200 N1902 W09837 - N1840 W09857 - N1855 W09907 - N1902 W09837 MOV SW 30KT FCST VA CLD +6HR: 21/0100Z SFC/FL200 N1902 W09836 - N1846 W09904 - N1902 W09910 - N1902 W09836 FCST VA CLD +12HR: 21/0700Z SFC/FL200 N1910 W09910 - N1902 W09837 - N1852 W09909 - N1910 W09910 FCST VA CLD +18HR: 21/1300Z NO VA EXP RMK: VA EMS PSBL MOV SW FM SUMMIT. VA NOT OBS DUE TO WX CLDS. VA FCST TO MOV SW TO W FM SUMMIT THRU T+12HRS BEFORE DISP. FCST BASED ON NWP MODELS. VO ACT MODERATE. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20241021/0115Z