FVXX22 KNES 170642
VA ADVISORY
DTG: 20210917/0642Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT (5426 M)

ADVISORY NR: 2021/563

INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT. 

ERUPTION DETAILS: CONTG FRQ VA EMS.

OBS VA DTG: 17/0631Z

OBS VA CLD: SFC/FL210 N1911 W09851 - N1902 W09837
- N1901 W09837 - N1902 W09854 - N1911 W09851 MOV
W 10KT SFC/FL240 N1904 W09920 - N1901 W09837 -
N1900 W09837 - N1850 W09919 - N1904 W09920 MOV W
15KT 

FCST VA CLD +6HR: 17/1230Z SFC/FL210 N1918 W09906
- N1903 W09837 - N1901 W09837 - N1904 W09910 -
N1918 W09906 SFC/FL240 N1907 W10001 - N1901
W09836 - N1859 W09835 - N1835 W09959 - N1907
W10001 

FCST VA CLD +12HR: 17/1830Z SFC/FL210 N1904
W09837 - N1900 W09835 - N1831 W09946 - N1856
W09953 - N1904 W09837 SFC/FL240 NO VA EXP

FCST VA CLD +18HR: 18/0030Z SFC/FL210 N1903
W09837 - N1858 W09835 - N1831 W09946 - N1855
W09953 - N1903 W09837 

RMK: NEW VA EM OBS MOV W AND NW FM SUMMIT.
EARLIER EM TO FL240 MOV WSW 40 NM FM SUMMIT. FLS
ESTD FM NWP MDLS. FL WINDS AT FL210 AND FL240 EXP
TO TURN TO SW BY T+12 HRS. ...CLARK

NXT ADVISORY: WILL BE ISSUED BY 20210917/1245Z