FVXX21 KNES 192143
VA ADVISORY
DTG: 20210119/2143Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT (5426 M)

ADVISORY NR: 2021/085

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

ERUPTION DETAILS: OCNL VA EMS.

OBS VA DTG: 19/2126Z

OBS VA CLD: SFC/FL230 N1923 W09822 - N1900 W09836
- N1901 W09838 - N1914 W09838 - N1923 W09822 MOV
N 20KT 

FCST VA CLD +6HR: 20/0330Z SFC/FL230 N1934 W09834
- N1932 W09822 - N1859 W09836 - N1900 W09838 -
N1934 W09834 

FCST VA CLD +12HR: 20/0930Z SFC/FL230 N1928
W09843 - N1928 W09827 - N1859 W09837 - N1900
W09839 - N1928 W09843 

FCST VA CLD +18HR: 20/1530Z SFC/FL230 N1933
W09842 - N1901 W09837 - N1859 W09838 - N1928
W09855 - N1933 W09842 

RMK: VA OBSD TO 25 NMI NNE OF SUMMIT AND 12 NMI N
OF SUMMIT. FL ESTD FM BOTH NWP MDL FCSTS AND
WEBCAM. NWP MDLS FCST VA TO SLOWLY BACK THRU
T+18HRS. ...HOSLEY

NXT ADVISORY: WILL BE ISSUED BY 20210120/0345Z