FVXX21 KNES 301555
VA ADVISORY
DTG: 20201230/1555Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT (5426 M)

ADVISORY NR: 2020/1109

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

ERUPTION DETAILS: VA EMS SEEN IN STLT.

OBS VA DTG: 30/1531Z

OBS VA CLD: SFC/FL190 N1902 W09837 - N1854 W09807
- N1849 W09810 - N1900 W09837 - N1902 W09837 MOV
SE 25KT 

FCST VA CLD +6HR: 30/2130Z SFC/FL190 N1902 W09837
- N1902 W09815 - N1855 W09817 - N1900 W09837 -
N1902 W09837 

FCST VA CLD +12HR: 31/0330Z NO VA EXP

FCST VA CLD +18HR: 31/0930Z NO VA EXP

RMK: VA SEEN IN STLT IMAGERY MOVG SE FM SUMMIT AND
EXTDG OUT ARND 40 NM BEFORE DSIPTG. CURRENT EMS
EMITTING ARE MORE STEAM AND GAS THAN VA. NEW VA EMS ARE
PSBL. MODEL GUIDANCE INDICATES ANY NEW VA EMS
WOULD MOV TWD THE E AT 25 KTS AS EARLIER FCSTD.
...KIBLER

NXT ADVISORY: WILL BE ISSUED BY 20201230/2200Z
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