Popocatepetl volcano news & eruption update

Popocatépetl Volcano Volcanic Ash Advisory: VA EM AT ARND 2125Z. to 21000 ft (6400 m)

Thu, 16 Apr 2020, 22:15
22:15 PM | BY: VN
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 21000 ft (6400 m) altitude or flight level 210 .
The full report is as follows:

FVXX20 at 22:03 UTC, 16/04/20 from KNES
VA ADVISORY
DTG: 20200416/2200Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT [5426 M]

ADVISORY NR: 2020/412

INFO SOURCE: GOES-EAST. WEB CAM. NWP MODELS.
VOLCAT. RADIOSONDE.

ERUPTION DETAILS: VA EM AT ARND 2125Z.

OBS VA DTG: 16/2146Z

OBS VA CLD: SFC/FL210 N1907 W09834 - N1904 W09831
- N1900 W09837 - N1901 W09838 - N1907 W09834 MOV
NE 20-25KT

FCST VA CLD +6HR: 17/0400Z SFC/FL210 N1915 W09844
- N1901 W09837 - N1900 W09837 - N1910 W09850 -
N1915 W09844

FCST VA CLD +12HR: 17/1000Z NO ASH EXP

FCST VA CLD +18HR: 17/1600Z NO ASH EXP

RMK: VA WAS OBSD 12 NMI NNE OF SUMMIT. VA IS
STARTING TO DISP. LIKELY TO FULLY DISP QUICKLY.
FURTHER VA EMS PSBL. NWP MDLS FCST DIR WELL, BUT
NOT SPD. HWVR MMMX 12Z RADIOSONDE DOES. NWP MDLS
FCST VA TO MOV NW BY T+6. ...HOSLEY

NXT ADVISORY: WILL BE ISSUED BY 20200417/0400Z

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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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