Atmosphere

huge plume dust plume from western africa over atlantic ocean may 2017 iss

Huge plume of Saharan dust over the Atlantic Ocean

This week's strong winds lofted a huge dust plume from western Africa and carried it toward the northeast into Europe and west toward Cabo Verde Islands. The event is ongoing, reaching far into eastern Europe and over the Atlantic Ocean. While very high load of...

May 13, 2017

major saharan dust event affecting italy and the balkans

Major Saharan dust event affecting Italy and the Balkans

A significant amount of Saharan dust is being transported from northern Africa into Italy, Croatia, Bosnia and Herzegovina, Montenegro, Hungary and Serbia today. The event is expected to last for several days and reach far into eastern Europe. This is already...

May 12, 2017

adrien mauduit 2017 noctilucent cloud chasing season teaser

2017 Noctilucent cloud chasing season teaser - 4K (UHD) time-lapse, Denmark

As the Earth continues its path on its elliptical orbit around the Sun, high latitudes and higher mid-latitudes of the northern hemisphere are entering the midnight Sun season. If you go too far up north, the Sun never sets, but at a lower latitude, like southern...

May 04, 2017

new feature discovered in the night sky steve

New phenomenon discovered in the night sky

A new phenomenon seen as a giant purple streak of light in the night sky has been recently discovered and, for lack of a better word, named Steve. Steve was discovered thanks to scientists, citizen scientists, ground-based imagers and ESA's magnetic field Swarm...

April 21, 2017

elves by martin popek april 2 2017 czech republic

Elusive ELVES captured over the Czech Republic

A very elusive transient luminous event called ELVES appeared on April 2, 2017, high above a thunderstorm in the Chech Republic and was captured by one very lucky amateur astronomer. Martin Popek photographed the 300 km (186 miles) wide red ring of light hovering...

April 06, 2017

rare gigantic jet pilbara australia march 28 2017 copyright jeff miles

Gigantic jets over Pilbara, Australia on March 28, 2017

Photographer Jeff Miles from Australia has captured several amazing images of very elusive gigantic jets, otherwise known as ionospheric lightning. Miles witnessed 6 jets on the night of March 28 near a small town in the Pilbara part of Western Australia and you can...

March 31, 2017

new clouds added to international cloud atlas

After 30 years, new cloud types added to Cloud Atlas

Celebrating the World Meteorological Day on March 23, the World Meteorological Organization (WMO) has released its new, long-awaited, digitized International Cloud Atlas. The atlas is global reference for observing and identifying clouds, which are an essential part...

March 23, 2017

Atmospheric supersonic plasma jets discovered

Supersonic plasma jets discovered

Scientists analyzing data obtained by Swarm trio of satellites have discovered supersonic plasma jets high up in our atmosphere that can push temperatures up to almost 10 000 °C (18 000 °F). The discovery was presented at this week’s Swarm Science...

March 23, 2017

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

polar stratospheric clouds sweden december featured

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

noctilucent clouds featured

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

london fog 1952 featured

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

equator featured

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