FVXX20 KNES 311858
VA ADVISORY
DTG: 20190731/1858Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT (5426 M)

ADVISORY NR: 2019/636

INFO SOURCE: GOES-EAST. WEB CAM. NWP MODELS.
VOLCAT. RADIOSONDE. 

ERUPTION DETAILS: OCNL VA EMS.

OBS VA DTG: 31/1841Z

OBS VA CLD: SFC/FL240 N1908 W09910 - N1908 W09858
- N1841 W09920 - N1852 W09923 - N1908 W09910 MOV
W 15-20KT SFC/FL240 N1840 W09936 - N1835 W09929 -
N1827 W09939 - N1833 W09943 - N1840 W09936 MOV SW
15-20KT SFC/FL250 N1913 W09859 - N1901 W09837 -
N1859 W09837 - N1905 W09902 - N1913 W09859 MOV SW
15-20KT 

FCST VA CLD +6HR: 01/0030Z SFC/FL250 N1917 W09859
- N1901 W09836 - N1859 W09837 - N1908 W09904 -
N1917 W09859 SFC/FL240 NO ASH EXP

FCST VA CLD +12HR: 01/0630Z SFC/FL250 N1909
W09913 - N1901 W09837 - N1859 W09837 - N1858
W09913 - N1909 W09913 

FCST VA CLD +18HR: 01/1230Z SFC/FL250 N1909
W09907 - N1901 W09835 - N1858 W09835 - N1853
W09907 - N1909 W09907 

RMK: VA EMS OBS BOTH BY WEBCAM AND STLT. REMNANT
VA MOVG WSW TO SW WHILE MOST RECENT VA EMS MOVG
WNW. NWP MDLS FCST VA TO CONT MOVG WNW THRU T+6,
THEN SHIFT TO MOVG DUE W BY T+12. ...HOSLEY

NXT ADVISORY: WILL BE ISSUED BY 20190801/0100Z