Atmosphere

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

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'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 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

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

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

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

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

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

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 ball lightning - a rare and mostly unexplained atmospheric electrical phenomenon. The event took place last month, near Roman's...

August 03, 2016

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

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

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

Noctilucent clouds in motion

On the night of June 21, 2016, photographer Derek Mellott from the town of Gibbons, Alberta, Canada recorded this fantastic display of noctilucent clouds (NLCs). "They were the brightest I have ever seen," he said. "It seemed like a good time to...

June 22, 2016

Significant increase in frequency and intensity of sandstorms in the Middle East over the past 15 years

A significant increase in frequency and the intensity of sand and dust storms has been observed in the Middle East over the past 15 years. Although the Middle East has been the worst hit, with Iran and Kuwait the most affected, meteorologists say they are now also...

June 17, 2016

ELVE captured above a thunderstorm in Colorado, US

On June 8, 2016, amateur astronomer Thomas Ashcraft captured an enormous ring of light high above a thunderstorm in southeast Colorado. "It only lasted about a millisecond, but it was definitely there. The ring was about 300 km (186 miles) wide," Ashcraft...

June 13, 2016

Cloud seeding flight suspected to aggravate major flooding in Tasmania

A cloud-seeding company Hydro Tasmania performed the seeding over the Derwent River watershed a day before the widespread flooding, caused by intense rainstorms, began on June 6, 2016. According to Premier Will Hodgman, the Energy Minister Matthew Groom is looking...

June 10, 2016