Atmospheric optics - page 2

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Nacreous clouds appear around the Arctic Circle

Sky watchers are observing an outbreak of polar stratospheric clouds or PSCs around the Arctic Circle, SpaceWeather reports. Unlike normal grey-white clouds, which hug Earth's surface at altitudes of only 5 to 10 km (3.1 - 6.2 miles), PSCs float through the...

December 17, 2015

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A rare space weather phenomena caught on camera: Gigantic jets outbursts on top of the Hurricane "Hilda"

A strong outburst of lightning from Hurricane "Hilda", in the Pacific Ocean, was reported by the National Weather Service on August 10, 2015. At first, the scientist thought the lightning was the so-called sprites phenomena, however, closer observation...

August 16, 2015

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Solar halo optical phenomena observed in Sweden

The halos are caused by light refraction and reflection of millions of tiny ice crystals in high cirrus clouds. These high, thin clouds appear about 6 km (20 000 feet) or more above the ground, and are usually accompanied by a storm shortly after..Ice crystals in cirrus

July 30, 2015

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Sprite season begins in northern hemisphere

Sprite season - spectacular, eerie flashes of colored lights that appear high above the tops of powerful thunderstorms - is underway, SpaceWeather reports. Because sprites are associated with thunderstorms, they tend to occur in late spring and summer. "Sprites...

May 16, 2015

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Possible outbreak of polar stratospheric clouds underway around the Arctic Circle

A possible outbreak of polar stratospheric clouds (PSCs) is underway around the Arctic Circle, SpaceWeather.com reports.Ivar Marthinusen sends this picture of the phenomenon taken on December 22, 2014 from Skedsmokorset, Norway:"Right after sunset, these clouds wer

December 23, 2014

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Arthur Few explains lightning activity at Chaiten volcano, Chile

In May 2008 the Chilean volcano Chaiten erupted spectacularly and exhibited remarkable lightning activity. Photographer Carlos Gutierrez captured a few images showing unusual kelly-green lightning channels. In this briefing, lightning researcher Arthur Few explains the

December 12, 2013

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Natural gas condensate leaking in Gulf of Mexico as operators lose control over the well

According to the report by US Coast Guard operators of natural gas and crude oil production platform in Gulf of Mexico, USA, lost control over one of the wells on July 9, 2013. Rainbow sheen is visible on the water surface and is estimated to be more than 6.5

July 10, 2013

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Unusual cloud pattern over Brisbane

An unusual cloud pattern formed over Brisbane and southeast Queensland on August 9, 2012. According to Weatherzone meteorologist Josh Fisher, this pattern represents a signal that the weather is about to turn cold, a harbinger of cooler weather. It’s a high

August 09, 2012

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Red sprite captured from the International Space Station

“Red sprites” are short-lived, red flashes that occur about 80 kilometers (50 miles) up in the atmosphere. These electrical discharges can extend 20 to 30 kilometers up into the atmosphere and are connected to thunderstorms and lightning. Red sprites are difficult

July 11, 2012

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Start of Noctilucent Clouds season

Noctilucent clouds (NLCs) turn on every year in late spring, reaching almost full intensity over a period of no more than 5 to 10 days. These electric-blue ice clouds hang 85 km (53 miles ) above Earth's surface, at the edge of space itself, circling the north and

June 25, 2012

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Fog blankets the Yellow Sea

The shallow Yellow Sea, which has a number of busy ports, usually sees 50 foggy days a year; some weather stations in the area have measured fog on up to 80 days. One of those days was March 28, 2012, when the Moderate Resolution Imaging Spectroradiometer (MODIS) on

April 08, 2012

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Fabulous displays of northern lights after M8.7 solar flare

The anticipated geomagnetic storm caused by Monday’s M8.7 solar flare and Tuesday’s coronal mass ejection (CME) impact is over. The aurora watch has been cancelled today for all but the highest latitudes around the Arctic Circle but a dazzling display of aur

January 25, 2012

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Atmospheric gravity waves over the Arabian Sea

On November 15, 2011, the Moderate Resolution Imaging Spectroradiometer (MODIS) aboard the Aqua satellite passed over the Arabian Sea and captured this true-color image of a large-scale, overlapping wave pattern. The wave pattern is not caused by ocean waves, however.

November 16, 2011

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Iridescent clouds over Omaha

The beautifull iridescent clouds have seen on the morning of November 10th over Nebraska, US. University of Nebraska freshman Evan Ludes took few amazing pictures of iridescent cloud-colors over Omaha on the morning of Nov. 10th.Iridescent colors appear when

November 11, 2011

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Red sprites high above Earth

High above Earth in the realm of meteors and noctilucent clouds, a strange and beautiful form of lightning dances at the edge of space. Researchers call the bolts "sprites"; they are red, fleeting, and tend to come in bunches. Martin Popek of Nýdek in t

August 28, 2011

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Giant plasma bubble seen over Beijing

Astronomers in Beijing can’t quite put their finger on the composition or origin of a giant, expanding bubble that appeared Saturday in thee night sky at around 9 p.m. China time. The glowing cloud was seen in several Chinese cities and officials believe it was the

August 27, 2011

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Gigantic jets of lightning in Earth’s upper atmosphere puzzle scientists

Mysterious and gigantic jets of lightning that shoot up to near the edge of space have now been observed in unprecedented detail, revealing just how much charge they pack and how they form. More than 50 miles (80 kilometers) above Earth's surface, extreme...

July 26, 2011