Atmosphere

shift in ozone trends

Three decades of measurements show ozone's ups and downs

Climate scientists studying three decades of ozone measurements from seven satellites see a positive trend in global recovery after international efforts to curb ozone-depleting substances. The part of Earth’s atmosphere with high concentrations of ozone gas...

November 20, 2017

ozone hole september 11 2017

Ozone hole in 2017 the smallest since 1988

Measurements from satellites this year showed the hole in Earth’s ozone layer that forms over Antarctica each September was the smallest observed since 1988, scientists from NASA and NOAA announced today. According to NASA, the ozone hole reached its peak...

November 03, 2017

dust and sand storm middle east october 29 2017 f

Massive dust and sand storm hits Middle East, sending hundreds to hospitals

A massive dust and sand storm swept over northern Saudi Arabia, Syria, parts of Jordan and much of Iraq on October 29, 2017, significantly reducing visibility and sending a large number of people to hospitals. In Kurdistan Region's capital city of Erbil (Iraq),...

October 30, 2017

veddell sea anomaly loc

Study explains anomaly in Earth's atmosphere over the Weddell Sea

A new study finds that the ionospheric anomaly over the Weddell Sea, near the tip of South America in the southeast Pacific Ocean, is likely influenced by proximity to auroral energy input, rather than by tilting magnetic fields. The anomaly was discovered in the...

August 08, 2017

ball lightning bergamo italy july 14 2017 r

Very rare ball lightning recorded in Bergamo, Italy

Ball lightning, a very rare and one of the most fascinating types of lightning, has been recorded in Bergamo, Italy around 01:30 CET on July 14, 2017 during severe storms. Immediately after the strong pulsing glow came a very strong smell of sulfur, a common trait...

July 17, 2017

noctilucent clouds 2017 season

After delayed start, magnificent noctilucent clouds are back in full effect

Following a delayed start to the northern hemisphere's 2017 Noctilucent clouds season, the magnificent, electric-blue clouds are now back in full effect. Noctilucent, or night-shining, clouds are a seasonal phenomenon, occurring most often in late spring and...

July 04, 2017

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