FVXX22 KNES 161305
VA ADVISORY
DTG: 20210816/1305Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT (5426 M)

ADVISORY NR: 2021/514

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

ERUPTION DETAILS: INTMT VA EMS.

OBS VA DTG: 16/1241Z

OBS VA CLD: SFC/FL200 N1906 W09855 - N1904 W09839
- N1900 W09837 - N1859 W09853 - N1906 W09855 MOV
W 10KT 

FCST VA CLD +6HR: 16/1830Z SFC/FL200 N1908 W09905
- N1904 W09837 - N1901 W09837 - N1853 W09902 -
N1908 W09905 

FCST VA CLD +12HR: 17/0030Z SFC/FL200 N1910
W09907 - N1902 W09837 - N1900 W09837 - N1854
W09907 - N1910 W09907 

FCST VA CLD +18HR: 17/0630Z NO VA EXP

RMK: DISCRETE VA EM OBSD BY STLT ARND 1130Z. CONS
BUT SML VA EMS OBSD IN WEBCAM FM 1233Z TO 1248Z.
VOLCAT ALERT RCVD. 12Z MMMX RADIOSONDE AND NWP
MDLS SUGGEST FL200 AND FCST LTLCG IN WINDS THRU
T+12HRS. ...HOSLEY

NXT ADVISORY: WILL BE ISSUED BY 20210816/1900Z