FVXX21 KNES 030539 VA ADVISORY DTG: 20120503/0538Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 1401-09 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2012/071 INFO SOURCE: GOES-13. NAM WINDS. VOLCANO WEB CAMERA. ERUPTION DETAILS: ONGOING EMISSIONS OBS VA DTG: 03/0525Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/200 090/0-5KT FL200/290 180/5-10KT FL290/330 270/10-15KT FCST VA CLD +6HR: 03/1130Z FCST VA CLD +12HR: 03/1730Z FCST VA CLD +18HR: 03/2330Z RMK: VA NOT SEEN IN STLT IMAGERY DUE TO DARKNESS. PSBL VA SEEN IN WEB CAMERA LIT BY INCANDESCENT GLOW FROM SUMMIT. HEIGHT RAISED TO FL330 FROM LATEST SIGMET SINCE TSTORM OVER VOLCANO HAS DISP. ...GUILLOT NXT ADVISORY: WILL BE ISSUED BY 20120503/1145Z NNNN