Atmospheric optics

"Light pillars' observed over south Wales, UK

A very rare atmospheric optical phenomenon called 'light pillars' was observed in the night sky above south Wales about 21:50 UTC on Friday, March 11, 2016, the same day a CME impact sparked surprising G2 - Moderate geomagnetic storm with auroras seen as far...

March 14, 2016

Ozone hole behind colorful nacreous clouds over the UK and Ireland

Polar stratospheric clouds (PSCs) are appearing over the United Kingdom and Ireland since January 31, 2016. An extremely rare occurrence for this area, usually restricted to the Arctic Circle, has been photographed by numerous skywatchers. According to experts, the...

February 05, 2016

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

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

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 are

May 16, 2015

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

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

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

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

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

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

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

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

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

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

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

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