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Вулкан Popocatépetl: Консультативный центр по вулканическому пеплу: VA EMS SEEN IN WEB CAM

Ср, 6 окт 2021, 00:15
00:15 AM | ПЇЅПЇЅПЇЅПЇЅПЇЅ: VN
Эруптивная активность продолжается. Консультативный центр по вулканическому пеплу (VAAC) в Washington предупредил о шлейфе вулканического пепла, который поднялся на высоту 19000 футов (5800 m).
Полный отчет выглядит следующим образом:

FVXX22 at 23:51 UTC, 05/10/21 from KNES
VA ADVISORY
DTG: 20211005/2349Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT [5426 M]

ADVISORY NR: 2021/617

INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.

ERUPTION DETAILS: VA EMS SEEN IN WEB CAM

OBS VA DTG: 05/2310Z

OBS VA CLD: SFC/FL190 N1914 W09849 - N1902 W09837
- N1901 W09838 - N1908 W09852 - N1914 W09849 MOV
NW 5KT

FCST VA CLD +6HR: 06/0500Z SFC/FL190 N1915 W09849
- N1904 W09836 - N1901 W09837 - N1908 W09853 -
N1915 W09849

FCST VA CLD +12HR: 06/1100Z NO VA EXP

FCST VA CLD +18HR: 06/1700Z NO VA EXP

RMK: VA EMS OBSD IN WEB CAM BUT NOT BE ABLE TO BE
SEEN IN SAT DUE TO MET CLDS. NWP MDL FCST LTLCG
THRU T+6HRS. ...ZENG/KIBLER

NXT ADVISORY: WILL BE ISSUED BY 20211006/0545Z

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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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