Hours after the massive eruption at Hunga Tonga-Hunga Ha'apai1 volcano on January 15, 2022, cameras at the Gemini Observatory on Mauna Kea, Hawai'i, U.S. recorded red waves rippling over Hawai'i. "These are gravity waves, a type of atmospheric...
January 19, 2022
Elevated levels of sulfur dioxide (SO2) are present across the SW Pacific and Australia after the eruption of the Hunga Tonga-Hunga Ha'apai volcano on January 15, 2022. Since the eruption, the volcano has been releasing huge amounts of sulfur dioxide and...
January 19, 2022
Northern regions of Scandinavia were treated to a very rare high-altitude spectacle on January 17, 2022, photographer Adrien Mauduit reports. For about 2 hours, rare polar stratospheric clouds (PSC) type II appeared out of nowhere, displaying a staggering...
January 18, 2022
A severe dust storm that started in southern Kazakhstan hit parts of Uzbekistan on the evening of November 4, 2021, growing under favorable weather conditions into the worst since the country started keeping meteorological records in 1871. The worst affected were...
November 09, 2021
This year's ozone hole over the southern hemisphere is again deep and larger-than-average due to the colder than usual winter atmosphere over the region. It reached its maximum area on October 7 and ranked as the 13th largest since 1979, according to NASA and...
October 29, 2021
Another large Saharan dust cloud has lifted off western Africa late Sunday, August 22, 2021, and is now moving over the Atlantic Ocean toward the Caribbean and the United States. The cloud seems of similar strength to the one produced last week. Image credit:...
August 24, 2021
Storm chaser Rob Neep recently captured one of the best-ever videos of a highly elusive transient luminous event called 'blue jets.' The jets formed over Sonora, Mexico on August 3, 2021, and were captured from St. David, Arizona. "I couldn't...
August 17, 2021
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
Earth-observing satellites are picking up two dense clouds of Saharan dust -- one moving NE over the Mediterranean Sea into Europe and the other W over the Atlantic Ocean. The European cloud has already reached southern Spain, Corsica, and most of Italy and is...
July 13, 2021
A new large Saharan dust cloud is moving over the Atlantic Ocean and is expected to reach the Caribbean by the end of the week. The cloud will remain over the Caribbean until the end of the week and move toward the southeastern US early next week. Saharan dust...
June 28, 2021
A very thick Saharan dust cloud is moving over the Mediterranean Sea into Italy and Southeast Europe over the past couple of days. Coupled with exceptionally high temperatures affecting the region, this dust is contributing to lower visibility, respiratory issues,...
June 23, 2021
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
Intense dust storms are affecting Kuwait since June 10, 2021, significantly reducing visibility and causing severe traffic chaos. The meteorological department said strong winds, dust storms, and heat can be expected at least until June 20. Intense dust storms are...
June 17, 2021
A large cloud of Saharan dust moving across the Atlantic Ocean over the past week has reached the Caribbean and South America. The dust will remain over the region for the next couple of days, limiting visibility and lowering air quality. After that, it's...
June 11, 2021
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
Noctilucent clouds (NLCs) have been spotted over Poland, Czech Republic, Canada, and Scotland, among other countries, on May 25 and 26, marking an early start to the northern hemisphere's 2021 NLC season. The clouds are rapidly intensifying. In only four days...
May 28, 2021
Severe dust storms and heavy rains struck parts of Karachi, Pakistan, on Tuesday, May 18, 2021, resulting in at least four fatalities and damaged properties. The storms came amid a severe heat spell in the city and the onslaught of Extremely Severe Cyclonic Storm...
May 19, 2021
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