FVXX22 KNES 230953 VA ADVISORY DTG: 20110517/1138Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 1401-09 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2011/020 INFO SOURCE: MEXICO CITY MWO. GOES-13. GFS WINDS. CENAPRED. ERUPTION DETAILS: ERUPTION BEGAN AROUND 17/1058Z OBS VA DTG: 17/1102Z OBS VA CLD: SFC/FL220 N1901 W09840 - N1859 W09834 - N1837 W09834 - N1840 W09850 - N1901 W09840 MOV SW 05-10KT FCST VA CLD +6HR: 17/1700Z SFC/FL220 N1900 W09838 - N1900 W09834 - N1836 W09822 - N1834 W09841 - N1900 W09838 FCST VA CLD +12HR: 17/2300Z SFC/FL220 NO ASH EXP FCST VA CLD +18HR: 18/0500Z NO ASH EXP RMK: VOLCANO OBSERVATORY REPORTS POSSIBLE EMISSION OF VA AND GASES AROUND 17/1058Z. INTERMITTENT PLUME SEEN EXTENDING SSW 30-40 KM FROM SUMMIT IN IR IMAGERY. ...NEWHARD NXT ADVISORY: WILL BE ISSUED BY 20110517/1745Z