Semisopochnoi Volcano Volcanic Ash Advisory: OCNL ERUPTIONS. to 6000 ft (1800 m)

lun., 29 nov. 2021, 15:30
15:30 PM | AUTEUR : VN
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Anchorage warned about a volcanic ash plume that rose up to estimated 6000 ft (1800 m) altitude or flight level 060 and is moving at 25 kts in SSW direction.
The full report is as follows:

FVAK21 at 15:22 UTC, 29/11/21 from PAWU
VAAAK1
VA ADVISORY

DTG: 20211129/1519Z

VAAC: ANCHORAGE

VOLCANO: SEMISOPOCHNOI 311060

PSN: N5156 E17935

AREA: ALEUTIAN ISLANDS

SUMMIT ELEV: 4006 FT [1221 M]

ADVISORY NR: 2021/197

INFO SOURCE: HIMAWARI/GOES 17

AVIATION COLOR CODE: ORANGE

ERUPTION DETAILS: OCNL ERUPTIONS.

OBS VA DTG: 29/1519Z

OBS VA CLD: SFC/FL060 N5201 E17947 - N4950 E17917 - N4953 E17723
- N5201 E17933 - N5201 E17947 MOV SSW 25KT

FCST VA CLD +6HR: 29/2119Z SFC/FL060 N5201 E17949 - N4951 E17917
- N4953 E17722 - N5200 E17932 - N5201 E17949 - N5201 E17949

FCST VA CLD +12HR: 30/0319Z NO VA EXP

FCST VA CLD +18HR: 30/0919Z NO VA EXP

RMK: VA EMISSIONS W/VA OBS IN VARIOUS GOES AND HIMAWARI SATELLITE IMAGERIES.
MOST RECENT ERUPTIONS NOTED AT 20211129/1320Z AND 1400Z. ...JAM

NXT ADVISORY: WILL BE ISSUED BY 20211129/2119Z

Actualités précédentes

mer., 24 nov. 2021, 06:00
AVO reported that eruptive activity at Semisopochnoi's North Cerberus crater continued during 24-30 November. Daily minor explosions were detected in seismic and infrasound data. Weather clouds obscured satellite and webcam views of the volcano on most days; small ash plumes rising no higher than 3 km (10,000 ft) a.s.l. were sometimes visible during breaks in the cloud cover but were likely emitted daily. ... Read all
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