POLSTRAC campaign initiated by the Karlsruhe Institute of Technology (KIT) was actively engaged in measurements in Arctic since the end of 2015. The research team has observed vertically extended polar stratospheric clouds, in unusually low regions of the…
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…
Researchers from the University of Colorado Boulder discovered a new class of mesospheric waves by observing the high parts of the atmosphere over Antarctica. These waves seem to send constant ripples through the Earth's atmosphere and probably affect high-level…
Residents of China are experiencing another wave of severe smog pollution since December 18, 2015. The smog conditions have prompted Beijing authorities to issued its second red alert in the history, as hazardous conditions have been expected to last more than three…
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…
The southerly air flow from Sahara, Africa brought a thin band of dust over parts of UK on December 16, 2015, Met Office reports. Numerous monitoring stations have detected the dust just above the surface since. The conditions are expected to last only a couple of…
A new study, conducted by the University of Washington (UW) researchers used a huge volcanic eruption in Iceland, from the period between summer 2014 and early winter 2015, to explore how the sulfur emissions affects cloud's brightness. The results suggest the…
A red alert for smog pollution was issued for in Beijing, China on December 8, 2015. The warning was put in effect in order to "protect public health and reduce levels of heavy air pollution", according to the Beijing Municipal Environmental Protection…
The annual Antarctic ozone hole was larger than usual this year and formed later than in recent years, according to the scientists from NASA and the National Oceanic and Atmospheric Administration (NOAA). The ozone hole reached its maximum on October 2, 2015,…
A large dust storm swept the US Arizona's capital of Phoenix on October 16, 2015, media reports. The cloud system was hovering about 1 500 m (4 921 feet) above the ground, packing winds of 100 km/h (62 mph) and was followed by a strong thunderstorm. Video…
