Popocatepetl volcano news & eruption update

Popocatépetl Volcano Volcanic Ash Advisory: VA EMS CONT OBS IN STLT IMAGERY to 21000 ft (6400 m)

Thu, 16 Sep 2021, 22:45
22:45 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 and is moving at 10 kts in SW direction.
The full report is as follows:

FVXX22 at 22:41 UTC, 16/09/21 from KNES
VA ADVISORY
DTG: 20210916/2239Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT [5426 M]

ADVISORY NR: 2021/561

INFO SOURCE: GOES-16. MEXICO CITY MWO. WEBCAM.
NWP MODELS. VOLCAT.

ERUPTION DETAILS: VA EMS CONT OBS IN STLT IMAGERY

OBS VA DTG: 16/2220Z

OBS VA CLD: SFC/FL210 N1929 W09848 - N1902 W09835
- N1859 W09839 - N1916 W09904 - N1929 W09848 MOV
NW 10KT SFC/FL230 N1906 W09840 - N1859 W09835 -
N1845 W09849 - N1859 W09902 - N1906 W09840 MOV SW
10KT

FCST VA CLD +6HR: 17/0430Z SFC/FL210 N1941 W09858
- N1902 W09836 - N1858 W09840 - N1922 W09917 -
N1941 W09858 SFC/FL230 N1906 W09840 - N1859
W09834 - N1832 W09901 - N1853 W09923 - N1906
W09840

FCST VA CLD +12HR: 17/1030Z SFC/FL210 N1931
W09916 - N1902 W09836 - N1858 W09837 - N1901
W09922 - N1931 W09916 SFC/FL230 N1905 W09840 -
N1858 W09834 - N1818 W09912 - N1847 W09940 -
N1905 W09840

FCST VA CLD +18HR: 17/1630Z SFC/FL210 N1925
W09929 - N1903 W09837 - N1858 W09836 - N1856
W09929 - N1925 W09929 SFC/FL230 N1906 W09839 -
N1858 W09834 - N1801 W09931 - N1838 W10004 -
N1906 W09839

RMK: LL VA EMS MOVG NW FM SUMMIT. NWP MDLS
SHOWS LL VA NW TO W-LY MOVMT THRU T+18. HL VA
EMS MOVG SW FM SUMMIT. LL VA EMS FM NWP MLDS. HL
VA EMS FM MWO 2210Z SIGMET. NWP MDLS SHOWS HL VA
EMS CONT SW-LY MOVMT THRU T+18 ...SAMBUCCI

NXT ADVISORY: WILL BE ISSUED BY 20210917/0445Z

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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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