FVXX21 KNES 180430
VA ADVISORY
DTG: 20210118/0430Z
VAAC: WASHINGTON
VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837
AREA: MEXICO
SUMMIT ELEV: 17802 FT (5426 M)
ADVISORY NR: 2021/077
INFO SOURCE: GOES-16. MEXICO CITY MWO. WEBCAM.
NWP MODELS.
ERUPTION DETAILS: VA OBS IN SAT AND RPTD BY
SIGMET 18/0401Z.
OBS VA DTG: 18/0421Z
OBS VA CLD: SFC/FL190 N1857 W09828 - N1854 W09825
- N1852 W09828 - N1854 W09831 - N1857 W09828 MOV
SE 10KT
FCST VA CLD +6HR: 18/1030Z SFC/FL190 N1902 W09837
- N1859 W09820 - N1849 W09825 - N1901 W09837 -
N1902 W09837
FCST VA CLD +12HR: 18/1630Z NO VA EXP
FCST VA CLD +18HR: 18/2230Z NO VA EXP
RMK: VA CLD OBS THRU SCT WX CLDS MOV SE 12 NM FM
SUMMIT BELOW FL190. FULL OBS VA EXTENXT UNCERTAIN
DUE TO WX CLD OBSCN. NWP MDL FL WINDS DO NOT
ALIGN WITH OBS MVMT. FL WINDS EXP TO BACK
SLIGHTLY THRU T+6 HRS. ...CLARK
NXT ADVISORY: WILL BE ISSUED BY 20210118/1030Z
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