Popocatépetl Volcano Volcanic Ash Advisory: NEW VA EMS OBS to 24000 ft (7300 m)
Thu, 9 Apr 2020, 00:30
00:30 AM | BY: VN
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 24000 ft (7300 m) altitude or flight level 240 and is moving at 5 kts in E direction. The full report is as follows:
FVXX20 at 00:18 UTC, 09/04/20 from KNES VA ADVISORY DTG: 20200409/0016Z
VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837
SUMMIT ELEV: 17802 FT [5426 M]
ADVISORY NR: 2020/378
INFO SOURCE: GOES-EAST. NWP MODELS. VOLCAT.
ERUPTION DETAILS: NEW VA EMS OBS
OBS VA DTG: 09/0001Z
OBS VA CLD: SFC/FL240 N1918 W09822 - N1904 W09818 - N1854 W09830 - N1918 W09822 MOV E 5KT
FCST VA CLD +6HR: 09/0600Z NO ASH EXP
FCST VA CLD +12HR: 09/1200Z NO ASH EXP
FCST VA CLD +18HR: 09/1800Z NO ASH EXP
RMK: NEW VA EMS OBS MOV E TO ESE IN STLT IMAGERY. VA IS DISP FAST. VA FCST TO CONT E TO ESE MOV BEFORE FULLY DISP. ...FISHER
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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