Popocatepetl volcano news & eruption update
Popocatépetl Volcano Volcanic Ash Advisory: VA OBS IN SAT. to 19000 ft (5800 m)
The full report is as follows:
FVXX21 at 02:04 UTC, 13/01/21 from KNES
VA ADVISORY
DTG: 20210113/0203Z
VAAC: WASHINGTON
VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837
AREA: MEXICO
SUMMIT ELEV: 17802 FT [5426 M]
ADVISORY NR: 2021/054
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT.
ERUPTION DETAILS: VA OBS IN SAT.
OBS VA DTG: 13/0151Z
OBS VA CLD: SFC/FL190 N1908 W09818 - N1900 W09817
- N1859 W09837 - N1902 W09837 - N1908 W09818 MOV
E 30KT
FCST VA CLD +6HR: 13/0800Z SFC/FL190 N1913 W09759
- N1901 W09758 - N1859 W09837 - N1903 W09837 -
N1913 W09759
FCST VA CLD +12HR: 13/1400Z NO VA EXP
FCST VA CLD +18HR: 13/2000Z NO VA EXP
RMK: VOLCAT ALERT RECEIVED FOR VA EM EXT 15 NM E
FM SUMMIT. VA ALSO OBS IN SAT AND WEBCAM IMAGERY.
OBS VA FL ESTD FM NWP MDLS. LTLCG EXP IN FL WINDS
THRU T+6 HRS. ...CLARK
NXT ADVISORY: WILL BE ISSUED BY 20210113/0800Z
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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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