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Popocatépetl Volcano Volcanic Ash Advisory: INTMT DISCRETE VA EMS. to 21000 ft (6400 m)

Wed, 11 Nov 2020, 20:15 | BY: VN
Satellite image of Popocatépetl volcano on 11 Nov 2020
Satellite image of Popocatépetl volcano on 11 Nov 2020
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:

FVXX23 at 20:03 UTC, 11/11/20 from KNES
VA ADVISORY
DTG: 20201111/1955Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT [5426 M]

ADVISORY NR: 2020/970

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

ERUPTION DETAILS: INTMT DISCRETE VA EMS.

OBS VA DTG: 11/1931Z

OBS VA CLD: SFC/FL210 N1849 W09913 - N1844 W09911
- N1841 W09916 - N1846 W09919 - N1849 W09913 MOV
SW 10-15KT

FCST VA CLD +6HR: 12/0130Z SFC/FL210 N1902 W09838
- N1901 W09837 - N1853 W09852 - N1900 W09855 -
N1902 W09838

FCST VA CLD +12HR: 12/0730Z NO VA EXP

FCST VA CLD +18HR: 12/1330Z NO VA EXP

RMK: DISCRETE VA EM OBSD BY WEBCAM AT 1551Z. VA
FM THAT EM OBSD DISPG 40 NMI WSW OF SUMMIT. NO
NEW ACT OBSD. NWP MDLS FCST ANY FURTHER VA EMS TO
CONT MOVG WSW THRU T+6HRS. ...HOSLEY

NXT ADVISORY: WILL BE ISSUED BY 20201112/0200Z=

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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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