Popocatepetl volcano news & eruption update
Popocatépetl Volcano Volcanic Ash Advisory: to 19000 ft (5800 m)
The full report is as follows:
FVXX21 at 06:30 UTC, 02/02/21 from KNES
VA ADVISORY
DTG: 20210202/0626Z
VAAC: WASHINGTON
VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837
AREA: MEXICO
SUMMIT ELEV: 17802 FT [5426 M]
ADVISORY NR: 2021/140
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.
ERUPTION DETAILS:
OBS VA DTG: 02/0601Z
OBS VA CLD: SFC/FL190 N1902 W09839 - N1901 W09838
- N1849 W09840 - N1850 W09845 - N1902 W09839 MOV
S 15KT
FCST VA CLD +6HR: 02/1200Z SFC/FL190 N1902 W09839
- N1902 W09838 - N1834 W09841 - N1836 W09850 -
N1902 W09839
FCST VA CLD +12HR: 02/1800Z SFC/FL190 N1902
W09839 - N1902 W09838 - N1831 W09835 - N1831
W09846 - N1902 W09839
FCST VA CLD +18HR: 03/0000Z NO VA EXP
RMK: VA EM OBSD ON WEBCAM AT 0523Z. 2ND VA EM
OBSD AT 0618Z. VA OBSD BY STLT EXTDG 11 NMI SSW
OF SUMMIT. FL ESTD FM WEBCAM AND NWP MDL FCST
SOUNDING. NWP MDLS FCST GRADUAL WSHIFT BY T+12 TO
S-WARD VA MOVMT. ...HOSLEY
NXT ADVISORY: WILL BE ISSUED BY 20210202/1230Z
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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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