Articles tagged "nlc"

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 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

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 23 2020 ft img

Rare noctilucent clouds appear during summer solstice over London, England

Rare noctilucent clouds (NLCs) put on a spectacular display over London, England, on June 21, 2020-- during the summer solstice. "Even the bright lights of the London Eye on the River Thames couldn’t drown out the display," said Phil Halper, a...

June 24, 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

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

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