Popocatepetl volcano news & eruption update
Popocatépetl Volcano Volcanic Ash Advisory: ONGOING VA EMS to 18500 ft (5600 m)
The full report is as follows:
FVXX22 at 12:45 UTC, 16/10/20 from KNES
VA ADVISORY
DTG: 20201016/1241Z
VAAC: WASHINGTON
VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837
AREA: MEXICO
SUMMIT ELEV: 17802 FT [5426 M]
ADVISORY NR: 2020/909
INFO SOURCE: GOES-EAST. WEB CAM. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EMS
OBS VA DTG: 16/1221Z
OBS VA CLD: SFC/FL185 N1902 W09836 - N1902 W09835
- N1843 W09907 - N1850 W09911 - N1902 W09836 MOV
SW 5-10KT
FCST VA CLD +6HR: 16/1830Z SFC/FL185 N1902 W09837
- N1901 W09837 - N1843 W09919 - N1853 W09922 -
N1902 W09837
FCST VA CLD +12HR: 17/0030Z SFC/FL185 N1902
W09835 - N1902 W09837 - N1846 W09914 - N1855
W09917 - N1902 W09835
FCST VA CLD +18HR: 17/0630Z SFC/FL185 N1905
W09920 - N1902 W09836 - N1901 W09837 - N1855
W09920 - N1905 W09920
RMK: NARROW VA PLUME DETECTED ON STLT AND WEBCAM
MOVG APROX 30 NM SW OF SUMMIT BEFORE DSITPNG. VA
IS BARELY ABV SUMMIT LVL AT VOLC LOC AND DROPS TO
ABT SUMMIT LVL [FL1780] AS IT MOV SW. MDL WINDS
FCST TO TURN MORE TO THE E THRU T+18 HR. ...KONON
NXT ADVISORY: WILL BE ISSUED BY 20201016/1845Z
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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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