Popocatepetl volcano news & eruption update

Вулкан Popocatépetl: Консультативный центр по вулканическому пеплу: THICK VA EMS SEEN IN STLT IMAGERY AT 0015Z

Пт, 14 фев 2020, 01:00
01:00 AM | ПЇЅПЇЅПЇЅПЇЅПЇЅ: VN
Спутниковое изображение вулкана Popocatépetl 14 Feb 2020
Спутниковое изображение вулкана Popocatépetl 14 Feb 2020
Эруптивная активность продолжается. Консультативный центр по вулканическому пеплу (VAAC) в Washington предупредил о шлейфе вулканического пепла, который поднялся на высоту 20000 футов (6100 m).
Полный отчет выглядит следующим образом:

FVXX20 at 00:54 UTC, 14/02/20 from KNES
VA ADVISORY
DTG: 20200214/0051Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT [5426 M]

ADVISORY NR: 2020/135

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

ERUPTION DETAILS: THICK VA EMS SEEN IN STLT
IMAGERY AT 0015Z

OBS VA DTG: 14/0015Z

OBS VA CLD: SFC/FL200 N1932 W09828 - N1919 W09807
- N1859 W09832 - N1903 W09841 - N1932 W09828 MOV
NE 30-35KT

FCST VA CLD +6HR: 14/0630Z SFC/FL200 N1951 W09820
- N1932 W09747 - N1857 W09831 - N1902 W09842 -
N1951 W09820

FCST VA CLD +12HR: 14/1230Z SFC/FL200 N1950
W09805 - N1929 W09733 - N1900 W09834 - N1903
W09841 - N1950 W09805

FCST VA CLD +18HR: 14/1830Z SFC/FL200 N1950
W09804 - N1929 W09732 - N1900 W09830 - N1904
W09841 - N1950 W09804

RMK: VA EMS OBS IN STLT IMAGERY AND SUMMIT WEB
CAM 15 NM NE FM SUMMIT. VA HGT AND DIR FM NWP
MDLS SHOW NE-LY TO ENE-LY TREND THRU T+18.
...SAMBUCCI

NXT ADVISORY: WILL BE ISSUED BY 20200214/0645Z

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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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