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 LOWER. ...WHISNANT

NXT ADVISORY: WILL BE ISSUED BY 20180128/1600Z