FVXX20 KNES 011927 VA ADVISORY DTG: 20190801/1927Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2019/641 INFO SOURCE: GOES-EAST. NWP MODELS. VOLCAT. ERUPTION DETAILS: CONS EM W LGT VA PSBL OBS VA DTG: 01/1921Z OBS VA CLD: SFC/FL190 N1930 W09840 - N1900 W09836 - N1901 W09840 - N1929 W09850 - N1930 W09840 MOV N 5-10KT FCST VA CLD +6HR: 02/0130Z SFC/FL190 NO ASH EXP FCST VA CLD +12HR: 02/0730Z NO ASH EXP FCST VA CLD +18HR: 02/1330Z NO ASH EXP RMK: EM W LGT VA PSBL EXT 28 NM N OF THE SUMMIT. OBS MOTION DOES NOT AGREE WITH EITHER 12Z RADIOSONDE FROM MEXICO CITY OR MODEL FCST DATA. ...TURK NXT ADVISORY: WILL BE ISSUED BY 20190802/0130Z