Popocatepetl volcano news & eruption update

Popocatépetl Volcano Volcanic Ash Advisory: NEW VA EMS to 20000 ft (6100 m)

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 20000 ft (6100 m) altitude or flight level 200 .
The full report is as follows:

FVXX21 at 22:59 UTC, 16/01/21 from KNES
VA ADVISORY
DTG: 20210116/2257Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT [5426 M]

ADVISORY NR: 2021/072

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

ERUPTION DETAILS: NEW VA EMS

OBS VA DTG: 16/2236Z

OBS VA CLD: SFC/FL200 N1914 W09826 - N1908 W09822
- N1901 W09836 - N1902 W09837 - N1914 W09826 MOV
NE 15KT

FCST VA CLD +6HR: 17/0430Z SFC/FL200 N1918 W09823
- N1910 W09819 - N1901 W09835 - N1901 W09838 -
N1918 W09823

FCST VA CLD +12HR: 17/1030Z NO VA EXP

FCST VA CLD +18HR: 17/1630Z NO VA EXP

RMK: SINGLE VA PUFF DETECTED ON STLT MOVG NE OF
SUMMIT. VA EMS SEEM ON WEBCAM. NO CHG FCST TO FL
WINDS NXT 6HR. ...KONON

NXT ADVISORY: WILL BE ISSUED BY 20210117/0500Z

Background:

Volcán Popocatépetl, whose name is the Aztec word for smoking mountain, towers to 5426 m 70 km SE of Mexico City to form North America's 2nd-highest volcano.  The glacier-clad stratovolcano contains a steep-walled, 250-450 m deep crater.  The generally symmetrical volcano is modified by the sharp-peaked Ventorrillo on the NW, a remnant of an earlier volcano. 
At least three previous major cones were destroyed by gravitational failure during the Pleistocene, producing massive debris-avalanche deposits covering broad areas south of the volcano.  The modern volcano was constructed to the south of the late-Pleistocene to Holocene El Fraile cone.  Three major plinian eruptions, the most recent of which took place about 800 AD, have occurred from Popocatépetl since the mid Holocene, accompanied by pyroclastic flows and voluminous lahars that swept basins below the volcano.  Frequent historical eruptions, first recorded in Aztec codices, have occurred since precolumbian time.

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Source: GVP, Smithsonian Institution - Popocatepetl information

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