Atmosphere

Daylong dust storm closes freeway on Arizona-New Mexico border 4th time since late April

For the fourth time since late April 2016, a dust storm has closed a 62-mile stretch (101 km) of a major freeway on both sides of the Arizona-New Mexico border. The latest closure happened on Friday, May 6, after weather front that produced thunderstorms and strong...

May 07, 2016

Expansion of tropics shifting high altitude clouds toward poles

NASA's research team conducted a study on 30-years of satellite data to reveal that a recorded trend of high altitude clouds in the mid-latitude which are shifting toward the poles is primarily caused by the expansion of the tropics. One of the most important...

May 06, 2016

Extreme weather over northwest Europe induced by changes over Greenland

Newest research conducted at the University of Sheffield suggests the changes identified in weather systems developing over Greenland are related to extreme weather patterns over northwest Europe, such as unusually wet conditions reported across the UK during the...

May 03, 2016

Lake Maracaibo in Venezuela, the place of highest lightning activity on Earth

Researchers have utilized the observations from the Lightning Imaging Sensor onboard NASA's Tropical Rainfall Measurement Mission to investigate which location has a maximum lightning activity on Earth. According to data analysis, Lake Maracaibo in Venezuela is...

May 03, 2016

Major sandstorm sweeps through northwest China

A major sandstorm has swept through parts of northwest China's Xinjiang Uygur Autonomous Region on May 1, 2016, and continued into May 2, disrupting traffic and causing severe air pollution. The sandstorm has struck some counties in south Xinjiang since Saturday...

May 02, 2016

Massive dust storm sweeps through Kathmandu, Nepal

A massive dust storm engulfed Kathmandu, Nepal for 45 minutes on March 28, 2016, injuring, at least, a half a dozen people and causing traffic chaos. For the past one week, Kathmandu and many other parts of the country have been shrouded in a blanket of haze, with...

March 28, 2016

"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

Sudden stratospheric warming to bring a snap of cold weather over UK

Meteorologists from the UK Met Office have predicted a sudden stratospheric warming (SSW) will occur in early March 2016. The phenomena could affect the surface weather, increasing the risk of prolonged wintry conditions over parts of northern Europe and the UK. The...

March 01, 2016

Strong ozone depletion expected over Arctic in the coming weeks

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...

February 18, 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

New class of atmospheric waves, producing strong temperature ripples, discovered over Antarctica

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...

January 20, 2016

Beijing issues a red alert for hazardous smog pollution for the second time ever

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...

December 21, 2015

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

Low to moderate air pollution levels expected as Saharan dust sweeps UK

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...

December 17, 2015

Volcanoes cool the planet by releasing low-level sulfur to influence cloud formation

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...

December 10, 2015

Red alert for smog pollution issued in Beijing, China

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...

December 08, 2015

The 2015 ozone hole over Antarctic larger than usual and late

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,...

October 31, 2015