Atmosphere - page 5

gigantic blue jet brazil march 2017

Very rare, gigantic blue jet over Paraíba, Brazil

Diego Rhamon managed to capture a gigantic jet (giant blue jet) taking place in Campina Grande, Paraíba, Brazil on March 13, 2017. It is the first recording of this elusive weather phenomenon in Brazil. According to Rhamon, the cumulonimbus cloud that...

March 16, 2017

calbuco eruption expanded ozone hole to record size study

Calbuco's eruption expanded ozone hole to record size

A new study argues that eruption of the Chilean volcano Calbuco on April 22, 2015 stretched the Antarctic Ozone Hole, the thinnest portion of the ozone shell that shields Earth from harmful radiation, to a record size nearly as large as Africa. It did so by ejecting...

March 15, 2017

saharan dust over europe february 2017

Thick cloud of Saharan dust moving over SE Europe

A large amount of Saharan dust was swept up into a low pressure system over north Africa on February 21, 2017. Thick dust cloud has already reached Spain and Portugal and is now moving east, toward Italy, Malta and the Balkans. The event is expected to last into...

February 23, 2017

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Polar Stratospheric Clouds form over Sweden

Polar stratospheric clouds, reported on December 9, 2016, over the skies of Kiruna, Sweden, indicate the stratosphere above the Arctic Circle is getting very cold. Polar stratospheric clouds (PSCs) form from the icy particles in the lower stratosphere, in extremely...

December 15, 2016

2016 17 southern hemisphere noctilucent clouds season starts early

Record early start of southern hemisphere NLC season

The southern hemisphere noctilucent clouds (NLC) season has started early this year and tied with 2013 for the earliest southern hemisphere season on record. The 2016/17 southern hemisphere noctilucent clouds season started on November 17 and tied with 2013 for the...

November 28, 2016

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40 tons of cosmic dust enters Earth's atmosphere every day

New experiments, carried by the EU scientists, managed to estimate how much cosmic dust enters Earth's atmosphere for the first time. The dust particles impact our atmosphere causing a wide range of phenomena, and further research hopes to address them. Dust...

November 23, 2016

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London's 1952 killer fog mystery solved

A new study finally revealed the exact cause of the 1952 killer fog which hovered over London for several days. The fog contained large amounts of pollutants which caused widespread breathing problems and killed thousands of city residents. The fog covered London...

November 17, 2016

light pillars denmark adrien mauduit november 8 2016

Light pillars and Moon halo over Denmark

Light pillars and halos are formed when the freezing cold atmospheric air is filled with tiny ice particles in suspension. When the wind is low and the sky is clear, you might observe strange beams coming from different sources of light. Ice particles reflect and...

November 09, 2016

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Troposphere ozone pollution highest near the equator

A new research, conducted by the University of North Carolina (UNC), shows the pollution emissions are increasing in the area close to the equator where they produce a much greater impact on the ozone formation. The air pollution across the globe has increased since...

November 08, 2016

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Unseasonal dust storm sweeps through Phoenix

An intense dust storm accompanied by heavy rainfall, strong winds and lightning swept through Phoenix, Arizona on Thursday, November 3, 2016. The storm spread over Phoenix during the late afternoon hours (local time), surprising the residents and causing traffic...

November 04, 2016

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Hazardous smog wraps Delhi, the worst in last 17 years

A thick layer of hazardous smog blanketed New Delhi, India four days ago and shows no sign of loosening the grip. On November 3, 2016, between 07:00 and 09:00 (local time), Palam Observatory reported the dense smog layer has dropped the visibility to only 50 m (164...

November 04, 2016

swarm experiencing blackout over equator

Scientists discover why satellites black out over equator

ESA's Swarm satellite trio has discovered why GPS navigation systems on low-orbiting satellites sometimes black out when they fly over the equator between Africa and South America. Swarm itself has experienced this anomaly numerous times before its scientists...

November 01, 2016

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Mysterious anomaly interrupts stratospheric wind pattern

For the first time, scientists have observed a deviation from the typical alternating pattern of easterly and westerly winds in the equatorial stratosphere. The weather we experience on Earth typically occurs in the troposphere, the lowest layer of the atmosphere....

September 02, 2016

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Rare phenomenon caught on camera: 'Ball lightning' in Novosibirsk

Roman Tregubov, a graduate of the Novosibirsk State Technical University, grabbed his cell phone and managed to record a video of what appears to be ball lightning - a rare and mostly unexplained atmospheric electrical phenomenon. The event took place last month,...

August 03, 2016

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Tropopause cooling a part of natural decadal cycle

The cooling trend observed in the late 20th century at the transition between the troposphere and stratosphere at an altitude of about 15 kilometers is usually believed to be caused by human influences. Now, climate scientists from Kiel And Bergen (Norway) have...

July 28, 2016

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Noctilucent clouds storm from July 12 - 14 over Denmark

You are not dreaming, you can see waves, shock fronts or waterfalls in the night sky! On the nights of the 12-13th and 13-14th of July 2016, Denmark has witnessed two very powerful and bright noctilucent cloud shows in a row. The brightest and broadest I can...

July 16, 2016

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Antarctic ozone hole shows signs of healing

An international team of scientists has observed first clear signs that the hole in the Antarctic ozone layer is beginning to close. Led by Professor Susan Solomon of the Massachusetts Institute of Technology, the team found that the September ozone hole had shrunk...

July 01, 2016