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Popocatépetl Volcano Volcanic Ash Advisory: CONS VA EMS to 21000 ft (6400 m)

Mon, 29 Jul 2019, 15:30 | 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 and is moving at 10-15 kts in SW direction.
The full report is as follows:

FVXX20 at 15:26 UTC, 29/07/19 from KNES
VA ADVISORY
DTG: 20190729/1520Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT [5426 M]

ADVISORY NR: 2019/627

INFO SOURCE: GOES-EAST. WEB CAM. NWP MODELS.
ASH3D. VOLCAT. CENAPRED.

ERUPTION DETAILS: CONS VA EMS

OBS VA DTG: 29/1500Z

OBS VA CLD: SFC/FL210 N1910 W09857 - N1910 W09849
- N1904 W09849 - N1904 W09856 - N1910 W09857 MOV
NW 5-10KT SFC/FL230 N1902 W09837 - N1900 W09836 -
N1840 W09916 - N1854 W09923 - N1902 W09837 MOV SW
10-15KT

FCST VA CLD +6HR: 29/2100Z SFC/FL210 NO ASH
EXP SFC/FL230 N1908 W09935 - N1902 W09837 - N1900
W09837 - N1846 W09934 - N1908 W09935

FCST VA CLD +12HR: 30/0300Z SFC/FL230 N1908
W09935 - N1902 W09837 - N1900 W09837 - N1848
W09933 - N1908 W09935

FCST VA CLD +18HR: 30/0900Z SFC/FL230 N1909
W09935 - N1902 W09837 - N1859 W09837 - N1849
W09934 - N1909 W09935

RMK: VA SEEN IN STLT IMAGERY MOV WNW TO NEAR
FL210 AND SLOWLY DSIPTG. VA IS 20 NM WNW OF
SUMMIT. NEW VA EMS HDG WSW EXTD OUT 40 NM FM SUMMIT.
HGT AND MOV BASED ON CENAPRED, 12Z SOUNDING, MODEL
GUIDANCE, STLT AND WEB CAM. ...KIBLER

NXT ADVISORY: WILL BE ISSUED BY 20190729/2115Z

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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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