FVXX21 KNES 191547
VA ADVISORY
DTG: 20210119/1547Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT (5426 M)

ADVISORY NR: 2021/084

INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ASH3D.
RADIOSONDE. 

ERUPTION DETAILS: CONS VA EM OBS IN STLT.

OBS VA DTG: 19/1541Z

OBS VA CLD: SFC/FL200 N1935 W09807 - N1928 W09755
- N1919 W09811 - N1923 W09820 - N1935 W09807 MOV
NE 10KT SFC/FL200 N1912 W09835 - N1904 W09828 -
N1901 W09835 - N1901 W09838 - N1912 W09835 MOV NE
10KT 

FCST VA CLD +6HR: 19/2130Z SFC/FL200 N1949 W09756
- N1935 W09742 - N1920 W09808 - N1926 W09818 -
N1949 W09756 SFC/FL200 N1928 W09827 - N1913
W09811 - N1900 W09835 - N1901 W09838 - N1928
W09827 

FCST VA CLD +12HR: 20/0330Z SFC/FL200 N1944
W09820 - N1926 W09756 - N1900 W09835 - N1902
W09837 - N1944 W09820 

FCST VA CLD +18HR: 20/0930Z SFC/FL200 N1948
W09831 - N1940 W09809 - N1900 W09836 - N1901
W09838 - N1948 W09831 

RMK: CONS VA EM OBS IN STLT AND WEBCAM MOV NE OF
SUMMIT APRX 44 NMI. WINDS FCST TO TURN TO NNW
THRU T+18 HR. FCST BASED ON NWP MODEL GDNC WINDS
AND ASH3D. ...LEVINE

NXT ADVISORY: WILL BE ISSUED BY 20210119/2145Z
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