Popocatepetl volcano news & eruption update
Popocatépetl Volcano Volcanic Ash Advisory: VA OBS IN SAT. to 20000 ft (6100 m)
The full report is as follows:
FVXX21 at 10:42 UTC, 10/02/21 from KNES
VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837
SUMMIT ELEV: 17802 FT [5426 M]
ADVISORY NR: 2021/165
INFO SOURCE: GOES-16. NWP MODELS. VOLCAT.
ERUPTION DETAILS: VA OBS IN SAT.
OBS VA DTG: 10/1031Z
OBS VA CLD: SFC/FL200 N1914 W09832 - N1909 W09824
- N1901 W09836 - N1902 W09838 - N1914 W09832 MOV
FCST VA CLD +6HR: 10/1630Z SFC/FL200 N1926 W09828
- N1919 W09816 - N1901 W09835 - N1902 W09837 -
FCST VA CLD +12HR: 10/2230Z NO VA EXP
FCST VA CLD +18HR: 11/0430Z NO VA EXP
RMK: VA OBS IN SAT AND RPTD BY VOLCAT ALERT MOV
NE 13 NM FROM SUMMIT. OBS VA FL BASED ON NWP MDLS
AND VOLCAT ALERT. LTLCG EXP IN FL WIND THRU T+6
NXT ADVISORY: WILL BE ISSUED BY 20210210/1645Z
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.