FVXX20 KNES 082320 VA ADVISORY DTG: 20181008/2320Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2018/440 INFO SOURCE: GOES-EAST. MEXICO CITY MWO. NWP MODELS. CIMSS VOLCAT. VOLCANO WEB CAMERA. ERUPTION DETAILS: VA EM AT 2220Z. OBS VA DTG: 08/2302Z OBS VA CLD: SFC/FL250 N1915 W09828 - N1913 W09826 - N1911 W09828 - N1913 W09831 - N1915 W09828 MOV NE 20-25KT FCST VA CLD +6HR: 09/0500Z SFC/FL220 N1916 W09832 - N1913 W09827 - N1901 W09837 - N1901 W09837 - N1916 W09832 SFC/FL250 NO ASH EXP FCST VA CLD +12HR: 09/1100Z SFC/FL220 N1916 W09829 - N1912 W09825 - N1900 W09837 - N1901 W09837 - N1916 W09829 FCST VA CLD +18HR: 09/1700Z SFC/FL220 NO ASH EXP RMK: VA EM OBS IN WEB CAM AT 2220Z. VA TO 20NM NE OF SUMMIT. VA EXPCD TO DISP IN 2-3 HRS. T+6 AND T+12 FCSTS BASED ON PSBL LOWER LVL EMS. OBS VA MOV FASTER THAN NWP MDL FCSTS. NWP MDLS SUGGEST LTLCG IN WINDS THRU T+12. ...HOSLEY NXT ADVISORY: WILL BE ISSUED BY 20181009/0515Z