FVXX20 KNES 312135
VA ADVISORY
DTG: 20171231/2135Z
VAAC: WASHINGTON
VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837
AREA: MEXICO
SUMMIT ELEV: 17802 FT (5426 M)
ADVISORY NR: 2017/339
INFO SOURCE: GOES-EAST. NWP MODELS.
ERUPTION DETAILS: PSBL VA EMS
OBS VA DTG: 31/2117Z
OBS VA CLD: SFC/FL200 N1929 W09837 - N1928 W09821
- N1858 W09834 - N1858 W09841 - N1929 W09837 MOV
N 10-15KT
FCST VA CLD +6HR: 01/0330Z SFC/FL200 N1943 W09823
- N1940 W09757 - N1856 W09835 - N1858 W09841 -
N1943 W09823
FCST VA CLD +12HR: 01/0930Z SFC/FL200 NO ASH EXP
FCST VA CLD +18HR: 01/1530Z NO ASH EXP
RMK: PSBL VA IS SEEN IN STLT IMAGERY EXTD ABT 25
NMI NNE FM SUMMIT. THE EM COULD BE ONLY STEAM/GAS
BUT A VA SGL IS SEEN IN STLT IMAGERY. ...WHISNANT
NXT ADVISORY: WILL BE ISSUED BY 20180101/0330Z
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