FVXX20 KNES 151739 VA ADVISORY DTG: 20190715/1739Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2019/557 INFO SOURCE: GOES-EAST. WEB CAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: OCNL VA EMS. OBS VA DTG: 15/1716Z OBS VA CLD: SFC/FL190 N1911 W09854 - N1901 W09837 - N1901 W09837 - N1907 W09857 - N1911 W09854 MOV NW 15-20KT FCST VA CLD +6HR: 15/2330Z SFC/FL190 N1911 W09911 - N1902 W09837 - N1901 W09837 - N1904 W09913 - N1911 W09911 FCST VA CLD +12HR: 16/0530Z SFC/FL190 N1911 W09909 - N1902 W09837 - N1900 W09837 - N1903 W09911 - N1911 W09909 FCST VA CLD +18HR: 16/1130Z SFC/FL190 NO ASH EXP RMK: DISCRETE VA EMS OCURRING EVERY 1.5 TO 2.5 HRS. LATEST VA EM OBS IN G16 STLT IMAGERY 15 NM WNW OF SUMMIT. NWP MDLS FCST FURTHER VA EMS TO MOVE BTWN WNW AND W THRU T+12HRS. ...HOSLEY NXT ADVISORY: WILL BE ISSUED BY 20190715/2345Z