FVXX21 KNES 201630
VA ADVISORY
DTG: 20210220/1630Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT (5426 M)

ADVISORY NR: 2021/200

INFO SOURCE: GOES-16. NWP MODELS. 

ERUPTION DETAILS: OCNL EM

OBS VA DTG: 20/1616Z

OBS VA CLD: SFC/FL170 N1849 W09826 - N1843 W09823
- N1840 W09833 - N1847 W09834 - N1849 W09826 MOV
SE 5KT SFC/FL240 N1911 W09816 - N1910 W09810 -
N1856 W09827 - N1858 W09828 - N1911 W09816 MOV E
15KT 

FCST VA CLD +6HR: 20/2230Z SFC/FL170 NO VA EXP
SFC/FL240 N1929 W09749 - N1910 W09742 - N1858
W09836 - N1904 W09839 - N1929 W09749 

FCST VA CLD +12HR: 21/0430Z SFC/FL240 N1917
W09737 - N1859 W09736 - N1859 W09838 - N1906
W09838 - N1917 W09737 

FCST VA CLD +18HR: 21/1030Z SFC/FL240 N1905
W09838 - N1852 W09732 - N1837 W09738 - N1858
W09840 - N1905 W09838 

RMK: VA CLD TO FL170 WAS DISP SLOWLY 20 NM SE OF
THE SUMMIT. SECOND EM RESULTED IN VA TO FL240
CENTERED 20 NM E OF THE SUMMIT. NEW EM FCST BY
NWP MODELS TO MOV E OR NE THRU T+6. ...TURK

NXT ADVISORY: WILL BE ISSUED BY 20210220/2230Z