FVXX20 KNES 231628 VA ADVISORY DTG: 20110523/1628Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 1401-09 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2011/026 INFO SOURCE: GOES-13. GFS WINDS. ERUPTION DETAILS: EMISSION AT 23/0057Z OBS VA DTG: 23/1615Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA. FCST VA CLD +6HR: 23/2230Z FCST VA CLD +12HR: 24/0430Z FCST VA CLD +18HR: 24/1030Z RMK: VA FROM THIS EMISSION IS NO LONGER OBSERVED IN IMAGERY ...SCHWARTZ NXT ADVISORY: NO FURTHER ADVISORIES NNNN