FVXX20 KNES 051850 VA ADVISORY DTG: 20190805/1850Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2019/663 INFO SOURCE: GOES-EAST. WEB CAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: ONGOING VA EMS OBS VA DTG: 05/1836Z OBS VA CLD: SFC/FL200 N1914 W09854 - N1902 W09836 - N1900 W09837 - N1904 W09857 - N1914 W09854 MOV NW 5-10KT FCST VA CLD +6HR: 06/0030Z SFC/FL200 N1914 W09901 - N1902 W09835 - N1900 W09837 - N1901 W09903 - N1914 W09901 FCST VA CLD +12HR: 06/0630Z SFC/FL200 NO ASH EXP FCST VA CLD +18HR: 06/1230Z NO ASH EXP RMK: VA EMS VISIBLE IN STLT IMAGERY MOV NW FM SUMMIT FL200. NWP MODEL GUIDANCE AGREES WITH OBS TRAJECTORY. ...BOLL NXT ADVISORY: WILL BE ISSUED BY 20190806/0045Z