FVXX21 KNES 290444
VA ADVISORY
DTG: 20201229/0444Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT (5426 M)

ADVISORY NR: 2020/1101

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

ERUPTION DETAILS: CONTG VA EMS.

OBS VA DTG: 29/0436Z

OBS VA CLD: SFC/FL190 N1903 W09837 - N1901 W09835
- N1838 W09853 - N1847 W09903 - N1903 W09837 MOV
SW 5KT SFC/FL210 N1912 W09823 - N1902 W09818 -
N1859 W09837 - N1903 W09837 - N1912 W09823 MOV NE
5KT 

FCST VA CLD +6HR: 29/1030Z SFC/FL190 N1926 W09832
- N1859 W09835 - N1901 W09839 - N1926 W09845 -
N1926 W09832 SFC/FL210 N1920 W09812 - N1907
W09802 - N1859 W09836 - N1902 W09838 - N1920
W09812 

FCST VA CLD +12HR: 29/1630Z SFC/FL190 N1921
W09812 - N1907 W09801 - N1859 W09837 - N1904
W09839 - N1921 W09812 SFC/FL210 NO VA EXP

FCST VA CLD +18HR: 29/2230Z SFC/FL190 N1912
W09804 - N1856 W09801 - N1859 W09838 - N1904
W09837 - N1912 W09804 

RMK: VA TO FL190 MOV SLOWLY SW UP TO 30 NM FM
SUMMIT. VA TO FL210 MOV NE UP TO 15 NM FM SUMMIT.
LTLCG EXP IN FL210 WINDS THRU T+6 HRS. FL190 MVMT
EXP TO VEER TO E THRU T+18 HRS. LGT WINDS LOWER
CONFIDENCE IN FCST. ...CLARK

NXT ADVISORY: WILL BE ISSUED BY 20201229/1045Z
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