Clouds

NLC northern hemisphere July 17 2021 f

Noctilucent clouds still bright and abundant, setting records at the highest latitudes

Noctilucent clouds are still bright and abundant 2 months after the start of the 2021 northern hemisphere season (May/June - August), and at the highest latitudes they are setting records, Dr. Tony Phillips of SpaceWeather.com noted in his latest NLC update....

July 21, 2021

NLCS spain june 20 2021

Major outbreak of noctilucent clouds (NLCs) over Europe

A major outbreak of noctilucent clouds (NLCs) was reported over Europe, including France, Spain, Germany. NLCs over these latitudes are considered rare, according to night sky enthusiasts, as these clouds are typically seen over higher latitudes. Last week, NLCs...

June 22, 2021

NLCs adrien mauduit f

NLC seasons getting longer, clouds moving farther south

New data provided by NASA's AIM (Aeronomy of Ice in the Mesosphere) satellite mission shows that the first noctilucent clouds (NLCs) of summer have been trending earlier since 2007, when the spacecraft was launched. Each year, NLCs first appear in the Arctic and...

June 05, 2021

NLCs scotland may 26 2021 2

2021 noctilucent clouds (NLC) season starts earlier than expected

Noctilucent clouds (NLCs) have been spotted over Poland, Czech Republic, Canada, and Scotland, among other countries, on May 25 and 26, marking an early start to the northern hemisphere's 2021 NLC season. The clouds are rapidly intensifying. In only four days...

May 28, 2021

noctilucent clouds argentina january 3 2021 f

Noctilucent clouds (NLCs) return to the South Pole, make a very rare appearance over Argentina

Noctilucent clouds (NLCs) have returned to the South Pole and made a very rare appearance over Argentina more than one month after the beginning of the southern hemisphere season. Gerd Baumgarten of Germany's Leibniz-Institute of Atmospheric Physics, whose...

January 08, 2021

NLCs are missing dec 29 2020

Noctilucent clouds (NLCs) frequencies over the South Pole close to zero this year

Noctilucent clouds (NLCs) over the South Pole remain missing as of December 29, 2020-- an unusual occurrence as the clouds are expected to appear in the middle of the month. The southern stratosphere seems to think it's winter. In early December, Dr. Tony...

December 30, 2020

NLCs southern hemisphere november 30 2020 f

Noctilucent clouds (NLCs) over the South Pole are missing this year

Noctilucent clouds (NLCs) over the South Pole are missing this year, but consider it only the tip of the iceberg, Dr. Tony Phillips of the SpaceWeather said. Missing NLCs is just one of the curious weather patterns currently underway at the southern end of our...

December 03, 2020

dark red noctilucent clouds sweden 2020 pm heden earth to sky calculus

Rare dark red noctilucent clouds appear over Sweden

Rare dark red noctilucent clouds appeared over Vallentuna, Sweden on July 25, 2020, and were recorded by P-M Heden. This type of NLCs is rare and not fully understood, Dr. Tony Phillips of the SpaceWeather.com reports. Research in the 1970s revealed that much of the...

July 28, 2020

noctilucent clouds july 5 2020 budapest hungary by viktor veres f

Major noctilucent clouds outbreak over Europe

Observers across Europe, from Scandinavia to the Adriatic coast, are reporting major noctilucent clouds (NLC) outbreak on July 5 and 6, 2020. The outbreak comes on the heels of July 4th sighting over southern California, U.S. -- where in 2019 a record was set for...

July 06, 2020

nlcs june 10 2020 2

Record cold in mesosphere causes noctilucent clouds to spill out of Arctic into mid-latitudes

Temperatures at the mesosphere have been breaking 14-year records over the past few days, according to Lynn Harvey of the University of Colorado Laboratory for Atmospheric and Space Physics. This causes noctilucent clouds to spill across the Arctic and descend to...

June 11, 2020

nlc season 2020 first cloud spotted may 17 2020 f

Early start of the 2020 noctilucent cloud (NLC) season

The Northern Hemisphere noctilucent cloud (NLC) season has officially begun. The first cloud was detected by NASA's AIM spacecraft inside the Arctic Circle on May 17. The detection marks one of the earliest starts in the 14-year history of the spacecraft. ...

May 23, 2020

nlc night lights films adrien mauduit f

2020 northern hemisphere NLC season forecast

Public interest for noctilucent clouds rose sharply in 2019 after record-setting outbreak across the northern hemisphere. The 2020 season is expected to start mid- to late-May or early June, but at the moment, it doesn't seem like 2020 will be a repeat of 2019....

May 11, 2020

polar stratospheric clouds december 2019 f

Intense outbreak of polar stratospheric clouds (PSCs) around the Arctic Circle

A spectacular outbreak of rare polar stratospheric clouds (PDCs) was reported around the Arctic Circle, starting December 30, 2019. The display lasted nearly an hour and was commonly regarded as the brightest display that any of the locals have ever seen. The...

January 02, 2020

noctilucent sky dec 1 2019

Planetary wave supercharging noctilucent clouds over Antarctica

An atmospheric wave about half as wide as the Earth is supercharging noctilucent clouds (NLCs) in the southern hemisphere, with NASA's Aeronomy of Ice in the Mesosphere (AIM) spacecraft detecting the phenomenon in this series of south polar images from November...

December 05, 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