FVXX20 KNES 071738 VA ADVISORY DTG: 20230607/1738Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17693 FT (5393 M) ADVISORY NR: 2023/687 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: POSSIBLE ONGOING EMS. OBS VA DTG: 07/1721Z OBS VA CLD: SFC/FL210 N1901 W09836 - N1807 W09820 - N1805 W09840 - N1858 W09838 - N1901 W09836 MOV S 20KT FCST VA CLD +6HR: 07/2330Z SFC/FL210 N1902 W09836 - N1808 W09810 - N1806 W09831 - N1859 W09837 - N1902 W09836 FCST VA CLD +12HR: 08/0530Z NO VA EXP FCST VA CLD +18HR: 08/1130Z NO VA EXP RMK: VA FM EARLIER EM DISPERSED. HOWEVER, PAST RECENT HIST SUGGESTS ONGOING OR IMMINENT EMS. DENSE WX CLD COVER PRECLUDES SEEING ANYTHING AT THIS POINT. VA PRESUMED MOV TO THE SSE. ...LEE NXT ADVISORY: WILL BE ISSUED BY 20230607/2345Z