FVXX21 KNES 281151 VA ADVISORY DTG: 20150728/1151Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2015/177 INFO SOURCE: GOES-EAST. MEXICO CITY MWO. GFS WINDS. VOLCANO WEB CAMERA. ERUPTION DETAILS: DISCREET VA EM CONT OBS VA DTG: 28/1130Z OBS VA CLD: SFC/FL220 N1930 W09926 - N1903 W09838 - N1858 W09841 - N1908 W09923 - N1930 W09926 MOV NW 10KT FCST VA CLD +6HR: 28/1730Z SFC/FL220 NO ASH EXP FCST VA CLD +12HR: 28/2330Z NO ASH EXP FCST VA CLD +18HR: 29/0530Z NO ASH EXP RMK: DISCREET VA EM CONT. PREVIOUS VA EM DISPD. VA EMISSIONS EXPECTED TO DISP WI 50 NM NW OF SUMMIT. ...VELASCO NXT ADVISORY: WILL BE ISSUED BY 20150728/1745Z