Atmosphere

noctilucent clouds august 1 2018 by rauno pakarinen finland

Unexpected surge of water vapor in the mesosphere, prolonged noctilucent clouds season

During the first half of August 2018, reports of noctilucent clouds to Spaceweather.com have tripled compared to the same period in 2017 and researchers at the University of Colorado may have figured out why. "There has been an unexpected surge of water vapor...

August 16, 2018

red sprites central europe june 8 2018 martin popek f

Severe thunderstorms produce furious outburst of sprites over central Europe

Powerful thunderstorms that hit parts of central Europe over the past couple of days produced a furious outburst of sprites. "It was unreal," Martin Popek, a well-known photographer of the upward directed bolts, told SpaceWeather.com. "I recorded more...

June 11, 2018

saharan dust cams model june 8 2018

Huge plume of Saharan dust traveling over Atlantic, several plumes hitting SE Europe

A huge plume of Saharan dust is currently being transported over the Atlantic Ocean. At the same time, several plumes are moving toward southeastern Europe as well as towards the Alps. What scientists working at CAMS (Copernicus Atmosphere Monitoring Service, a part...

June 08, 2018

nlc over scotlant may 31 2018

Northern hemisphere's 2018 noctilucent clouds season begins

NASA's AIM spacecraft has spotted first Noctilucent Clouds (NLCs) of the 2018 northern hemisphere NLC season at the end of May. And just as they spotted them forming, people on the ground started seeing them, too. "They are back!" Ruslan Merzlyakov...

June 02, 2018

featured taiwan duststorm

Largest dust storm in 5 years descends on Taiwan

Air quality suffered greatly as the largest dust storm in five years descended onto the island nation on April 6 -7, 2018, with western Taiwan's Yunlin county being hardest hit, measuring 10 out of 10 in Air Quality Index (AQI). New Taipei City's Wanli...

April 08, 2018

red sprites 2018 martin popek

Early season red sprites appear over Czech Republic

Two red sprites, transient optical phenomena appearing as luminous reddish-orange flashes, have been recorded over the Czech Republic on April 4, 2018, marking the early beginning of 2018 sprite season in the northern hemisphere. Lucky photographer this season was...

April 05, 2018

featured dust storm

Dust storm kills three in Uttar Pradesh, India

A massive dust storm hit many parts of central and eastern Uttar Pradesh, India, on March 30, 2018, killing three people. The storm disrupted traffic and caused power outages in many locations and uprooted multiple trees, an official said. One person was killed...

April 01, 2018

orange snow sochi russia march 26 2018

Orange snow carpets parts of eastern Europe

Parts of eastern Europe, especially mountainous regions in Ukraine, Russia, Moldova, Bulgaria and Romania, transformed into Mars-like landscape on March 23 - 25, 2018 as sand and dust from desert storms in northern Africa caused snow to turn orange. According to...

March 26, 2018

severe dust storm crete march 22 2018

Severe dust storm hits Crete, Greece

A cutoff low in the central Mediterranean pushed huge amounts of Saharan dust from Libya toward the eastern Mediterranean on March 22, 2018, heavily impacting the region, especially the island of Crete. A thick layer of Saharan sand reached Crete around 16:00 local...

March 23, 2018

march 18 2018 dust model

Cold front to sweep North Africa and raise large amounts of dust

A cold front sweeping northern Africa will raise large amounts of dust in the days ahead. Airborne dust will reach central and eastern Mediterranean as well as southern Europe, including Malta, Italy, Greece, Turkey... It's going to get significantly colder...

March 16, 2018

mini ozone hole cams february 13 2018

Mini ozone hole appears over western Canada

On February 7, 2018, the Copernicus Atmosphere Monitoring Service or CAMS, has successfully predicted the appearance of an ozone mini-hole over western Canada on February 12 or 13. Sudden stratospheric warmings like the one currently in progress have been shown to...

February 15, 2018

ssw feb 2018

Warnings issued as Sudden Stratospheric Warming threatens Europe with big freeze

Weather models are suggesting a very high probability of a rare North Pole weather phenomenon called Sudden Stratospheric Warming (SSW) taking place later this month and bringing prolonged bitterly-cold temperatures to the United Kingdom and parts of Europe. Such...

February 08, 2018

dust storm middle easth january 19 2018

Heavy dust storm envelops parts of the Middle East, turning the sky dark red

Heavy dust storm engulfed parts of Turkey, Iraq, and Syria on January 19, 2018, turning the sky into dark red. Over the next 72 hours, the dust cloud is expected to sweep Iran, Saudi Arabia, Yemen, Oman, Turkmenistan, Kazakhstan, and Uzbekistan, but with decreasing...

January 20, 2018

supercooled rainbow muonio finland valtteri immonen

Supercooled rainbow appears over Muonio, Finland

A supercooled rainbow was observed and photographed above Muonio, Finland on December 4, 2017. Supercooled rainbows were also sighted in the Arctic last year. "I have never seen a rainbow during the winter and I didn't even know that it is possible for them...

December 07, 2017

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