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Popocatépetl Volcano Volcanic Ash Advisory: CONS EM to 19000 ft (5800 m)

Mon, 4 Jan 2021, 18:15 | BY: VN
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 19000 ft (5800 m) altitude or flight level 190 .
The full report is as follows:

FVXX21 at 17:59 UTC, 04/01/21 from KNES
VA ADVISORY
DTG: 20210104/1757Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT [5426 M]

ADVISORY NR: 2021/015

INFO SOURCE: GOES-16. NWP MODELS.

ERUPTION DETAILS: CONS EM

OBS VA DTG: 04/1746Z

OBS VA CLD: SFC/FL190 N1904 W09745 - N1837 W09755
- N1858 W09837 - N1904 W09840 - N1904 W09745 MOV
SE 5KT

FCST VA CLD +6HR: 05/0000Z SFC/FL190 N1905 W09839
- N1905 W09716 - N1812 W09738 - N1859 W09840 -
N1905 W09839

FCST VA CLD +12HR: 05/0600Z SFC/FL190 N1952
W09732 - N1905 W09715 - N1858 W09837 - N1904
W09841 - N1952 W09732

FCST VA CLD +18HR: 05/1200Z SFC/FL190 N1904
W09839 - N1853 W09720 - N1819 W09732 - N1858
W09840 - N1904 W09839

RMK: VA EXT 46 NM ESE OF THE SUMMIT. LTLCG EXP
THRU T+6 BASED ON NWP MODEL GUIDANCE. ...TURK

NXT ADVISORY: WILL BE ISSUED BY 20210105/0000Z

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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


Satellite images of Popocatepetl volcano (c)Google Earth View
Satellite images of Popocatepetl volcano (c)Google Earth View
Stratovolcano 5426 m / 17,802 ft
Central Mexico, 19.02°N / -98.62°W
Current status: erupting (4 out of 5) Popocatépetl volcano eruptions:
1345-47, 1354, 1363(?), 1488, 1504, 1509(?), 1512, 1518, 1519-23(?), 1528, 1530, 1539-40, 1542, 1548, 1571, 1580, 1590, 1592-94, 1642, 1663-65, 1666-67, 1697, 1720, 1802-04, 1827(?), 1834(?), 1852(?), 1919-22, 1923-24, 1925-27(?), 1933, 1942-43, 1947, 1994-95, 1996-2003, 2004-ongoing
Typical eruption style
Dominantly explosive, construction of lava domes. Plinian eruptions at intervals of several centuries or few thousands of years, vulcanian and strombolian activity in intermittent phases.
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