FVXX21 KNES 072118 VA ADVISORY DTG: 20170207/2118Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2017/004 INFO SOURCE: GOES-E. ERUPTION DETAILS: PSBL EMS AT 07/1545Z OBS VA DTG: 07/2045Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA. FCST VA CLD +6HR: NO ASH EXP FCST VA CLD +12HR: NO ASH EXP FCST VA CLD +18HR: NO ASH EXP RMK: VA WAS NOT OBSERVED IN IMAGERY. ...SCHWARTZ NXT ADVISORY: NO FURTHER ADVISORIES