Вулкан Shishaldin: Консультативный центр по вулканическому пеплу: 20191212/1610Z ERUPTION

Чт, 12 дек 2019, 17:30
17:30 PM | ПЇЅПЇЅПЇЅПЇЅПЇЅ: VN
Эруптивная активность продолжается. Консультативный центр по вулканическому пеплу (VAAC) в Anchorage предупредил о шлейфе вулканического пепла, который поднялся на высоту 30000 футов (9100 m) и движется со скоростью 35 узлов в NW направлении.
Полный отчет выглядит следующим образом:

FVAK21 at 17:19 UTC, 12/12/19 from PAWU
VAAAK1
VA ADVISORY

DTG: 20191212/1710Z

VAAC: ANCHORAGE

VOLCANO: SHISHALDIN 311360

PSN: N5445 W16358

AREA: ALEUTIAN ISLANDS

SUMMIT ELEV: 9374 FT [2857 M]

ADVISORY NR: 2019/003

INFO SOURCE: HIMAWARI/GOES/LIGHTNING DATA

AVIATION COLOR CODE: ORANGE

ERUPTION DETAILS: 20191212/1610Z ERUPTION

OBS VA DTG: 12/1710Z

OBS VA CLD: SFC/FL300 N5442 W16333 - N5516 W16556 - N5603 W16456
- N5509 W16256 - N5442 W16333 MOV NW 35KT.

FCST VA CLD +6HR: 12/2310Z SFC/FL300 N5537 W16739 - N5630 W17133
- N5749 W17004 - N5618 W16635 - N5537 W16739 - N5537 W16739.

FCST VA CLD +12HR: 13/0510Z NO VA EXP.

FCST VA CLD +18HR: 13/1110Z NO VA EXP.

RMK: VA CLOUD TOPS ESTIMATED PER PACD 20191212/1200Z RAOBS WINDS

NXT ADVISORY: WILL BE ISSUED BY 20191212/2310Z

DH DEC 2019 AAWU



Предыдущие новости

Wed, 11 Dec 2019, 06:00
AVO reported that seismicity at Shishaldin remained elevated during 10-11 December; low-level tremor was detected along with three small explosions. Elevated surface temperatures were identified in satellite images and a steam plume drifting from the summit was visible in webcam images. A short-lived explosion began at 0710 on 12 December and lasted about three minutes, coincident with a three-minute long period of elevated tremor. ... Read all
Wed, 4 Dec 2019, 06:00
AVO reported that elevated surface temperatures at Shishaldin were identified in satellite images during 3-4 December consistent with lava effusion, and a pilot confirmed active lava flows on the flank. Continuous tremor was recorded by the seismic network during 4-5 December. Seismicity, including Strombolian explosion signals, continued to increase until 2100 on 5 December and then afterwards was characterized by episodic tremor bursts and occasional Strombolian activity. ... Read all
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