Atmosphere

why purple sky colorado

Purple Colorado sky caused by Raikoke volcano eruption in Russia

Researchers from the University of Colorado Boulder revealed that the purple sky seen in the state was due to the eruption that occurred on Raikoke volcano in Russia, located 7 535 km (4 682 miles) away, on June 22, 2019. The team, composed of atmospheric scientists...

September 15, 2019

colorful noctilucent clouds 2019 poland f2

Extreme noctilucent clouds outbreak over Europe, rare red NLCs spotted

The 2019 northern hemisphere noctilucent clouds season is turning out to be the most remarkable ever. After record strong start of the season at the end of May, NLCs were seen for the first time as low as San Francisco Bay Area, California on June 9 and throughout...

June 24, 2019

NLCs over san francisco bay area california june 10 2019 f

Record-setting noctilucent clouds, NLCs seen over San Francisco Bay Area, California

Sky watchers in the San Francisco Bay Area, California witnessed an extraordinary display of noctilucent clouds (NLCs) on June 9, 2019. As these clouds are typically confined to latitudes above +55 N and San Francisco is at +38 N, this marks one of the...

June 10, 2019

nlc cloud may 2019

2019 northern hemisphere noctilucent clouds season starts unusually strong

The 2019 northern hemisphere noctilucent cloud season has begun unusually strong. Electric-blue clouds were first observed by NASA's Aeronomy of Ice in the Mesosphere (AIM) spacecraft on May 20, marking the official start of the season. ​"For the past 2...

June 03, 2019

lomonosov satellite

Very powerful explosions of light detected in Earth's atmosphere, possibly a new physical phenomenon

Russian Astro and Geophysics satellite named after 18th-century scientists Mikhail Lomonosov, also known as MVL-300, has reportedly detected a previously unknown physical phenomenon in the Earth's atmosphere. This space-based observatory was launched in 2016 in...

February 17, 2019

dust over crete february 6 2019 skyline

Large amounts of African dust pushed into Greece and Canary Islands

Strong winds affecting northern Africa have pushed thick Saharan dust toward the Canary Islands and Greece on February 5 and 6, 2019, significantly lowering air quality in both regions. Large amounts of dust were pushed from Morocco and Mauritania toward the Canary...

February 06, 2019

ssw jan2019 wxcharts eu

Major Sudden Stratospheric Warming (SSW) underway, significant winter weather likely across large parts of Europe

A major Sudden Stratospheric Warming (SSW) event is currently underway in the stratosphere above the Arctic. While not every SSW event is the same and it takes some time for it to show its effects in the troposphere, meteorologists say we can expect colder air move...

January 02, 2019

nlc antarctica 2018

Noctilucent clouds blanket Antarctica

NASA's AIM spacecraft is monitoring a 4 800-km wide (3000 miles) ring of noctilucent clouds circling high above Antarctica. The 2018 southern hemisphere noctilucent season began on November 21, said Cora Randall, a member of the AIM science team at the...

December 26, 2018

elve over russia on august 16 2018 by ilya jankowsky

Huge ELVE captured high above a thunderstorm over Russia

A 300 km (186 miles) wide ELVE was photographed hight above a thunderstorm in central Russia on August 16, 2018. This transient luminous event was recorded using a low-light video camera in the Russian town of Irbit, Sverdlovsk Oblast, by amateur astronomer Ilya...

August 19, 2018

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