FVXX21 KNES 271914 VA ADVISORY DTG: 20150727/1914Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2015/172 INFO SOURCE: GOES-EAST. GFS WINDS. NAM WINDS. ERUPTION DETAILS: NEW EMISSION OBS VA DTG: 27/1900Z OBS VA CLD: SFC/FL190 N1914 W09843 - N1901 W09834 - N1858 W09838 - N1901 W09853 - N1914 W09843 MOV NW 10KT FCST VA CLD +6HR: 28/0100Z SFC/FL190 NO ASH EXP FCST VA CLD +12HR: 28/0700Z NO ASH EXP FCST VA CLD +18HR: 28/1300Z NO ASH EXP RMK: VA OBSERVED MOVING NW OF SUMMIT. VA EXPECTED TO DISSIPATE OVER NEXT 6HRS. EARLIER EMISSION NO LONGER OBSERVED IN STLT IMAGERY. ...SALEMI NXT ADVISORY: WILL BE ISSUED BY 20150728/0115Z