FVXX20 KNES 281000
VA ADVISORY
DTG: 20180128/1000Z
VAAC: WASHINGTON
VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837
AREA: MEXICO
SUMMIT ELEV: 17802 FT (5426 M)
ADVISORY NR: 2018/056
INFO SOURCE: GOES-EAST. NWP MODELS. CIMSS VOLCAT.
VOLCANO WEB CAMERA.
ERUPTION DETAILS: PSBL VA EMS
OBS VA DTG: 28/0947Z
OBS VA CLD: SFC/FL200 N1914 W09834 - N1913 W09822
- N1859 W09835 - N1900 W09837 - N1914 W09834 MOV
NE 15-20KT
FCST VA CLD +6HR: 28/1600Z SFC/FL200 N1920 W09831
- N1914 W09818 - N1858 W09837 - N1900 W09838 -
N1920 W09831
FCST VA CLD +12HR: 28/2200Z SFC/FL200 NO ASH EXP
FCST VA CLD +18HR: 29/0400Z NO ASH EXP
RMK: PSBL VA IS SEEN IN STLT IMAGERY MOV TO THE
NE AND EXTD ABT 15 NMI FM SUMMIT. MODELS SUGGEST
FL200 BUT CONFIDENCE IS LOW IN HEIGHT. ...WHISNANT
NXT ADVISORY: WILL BE ISSUED BY 20180128/1600Z
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