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Author Topic: 🚩 Global Climate Chaos ☠️  (Read 74125 times)

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AGelbert

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Re: 🚩 Global Climate Chaos ☠️
« Reply #885 on: May 29, 2017, 05:56:22 pm »
http://www.cnn.com/2017/05/29/us/alaska-bogoslof-volcano-eruption/

Highest aviation alert level issued after Alaskan volcano erupts
Joe Sutton Profile


By Euan McKirdy and Joe Sutton, CNN

Updated 8:28 AM ET, Mon May 29, 2017
An ash cloud from the erupting Bogoslof volcano, seen from nearby Unalaska island.

"Lightning in the Aleutians is mostly due to volcanic plumes, as the meteorological conditions for lightning are not common," Freymueller said.

"The combination of lightning and seismic data allowed us to go to red within about half an hour of the start of the eruption."

The eruption lasted for about 50 minutes, the AVO said.


Flight path concern

The volcano sits under the flight path of many flights from Asia to North America and its ash cloud could adversely affect aircraft. "Ash and aircraft do not mix, as volcanic ash is abrasive, melts at jet engine temperatures, and can cause engine failure," according to the United States Geological Survey.

Aircraft are often instructed to fly around or over ash clouds, although in some circumstances air traffic has been grounded due to the hazards from airborne ash. In 2010 the eruption of the Eyjafjallajokull volcano in Iceland caused the cancellation of flights around Europe for six days.

The Federal Aviation Administration (FAA) last week said that flights were being rerouted around a similar ash cloud when the volcano previously erupted, according to CNN partner CBC.

'Heightened state of unrest'

An image taken by AVO scientists around 14 minutes after the start of the eruption, from nearby Unalaska Island, showed a large white-gray mushroom cloud form over the site. Ash fallout was occurring to the west of the site, according to AVO.

Bogoslof volcano remains at a heightened state of unrest and in an unpredictable condition," according to a report issued by the Observatory, which added that "additional explosions producing high-altitude volcanic clouds could occur at any time."


Bogoslof volcano

It warns that continuing low-level activity could "pose a hazard in the immediate vicinity of the volcano."

Previous volcanic activity earlier in 2017 "significantly changed the shape and coastline of the island" and the land mass tripled in size between early 2015 and January of this year.

There have been eight documented eruption events at Bogoslof, the most recent one in 1992. Previous eruption events have lasted weeks to months, according to the AVO. This current eruption sequence started in December, 2016.


   

On the bright side, if she blows big time, all those aerosols will slow down global warming for a few years.   8)
Rob not the poor, because he is poor: neither oppress the afflicted in the gate:
For the Lord will plead their cause, and spoil the soul of those that spoiled them. Pr. 22:22-23

 

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