Atmosphere

saharan dust august 23 2021 1720z noaa goes east f

Large amount of Saharan dust moving over the Atlantic Ocean

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

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One of the best-ever videos of highly elusive 'blue jet' lightning

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

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Noctilucent clouds still bright and abundant, setting records at the highest latitudes

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

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Dense clouds of Saharan dust spreading over Europe and Atlantic Ocean

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

GOES East 11z june 27 2021 f

Large Saharan dust cloud moving over the Atlantic Ocean

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

saharan dust june 23 2021 nasa terra modis f

Very thick Saharan dust cloud moving over the Mediterranean into Italy and SE Europe

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

NLCS spain june 20 2021

Major outbreak of noctilucent clouds (NLCs) over Europe

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

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Intense dust storms affecting Kuwait

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

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Large cloud of Saharan dust reaches the Caribbean and South America

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

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NLC seasons getting longer, clouds moving farther south

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

NLCs scotland may 26 2021 2

2021 noctilucent clouds (NLC) season starts earlier than expected

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

pakistan dust storm may 18 2021

Deadly dust storms hit Karachi, Pakistan

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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Observations reveal lightning as the source of extreme air-cleaning oxidants

Observations from NASA's storm-chasing aircraft DC-8 reveal that lightning can produce extremely high concentrations of two major oxidants that help clear the air and the atmosphere. In May and June 2012, the DC-8 jet flew through the eye of thunderstorms over...

May 01, 2021

qatar dusty winds apr 5 2021

Dusty winds and heavy rain hit north Qatar

Strong winds, rain, and dense dust hit Qatar over the weekend, leading to low visibility. According to the Qatar Meteorological Department, the wave of dust came from northwestern Arabia. The weather phenomenon was witnessed Saturday to Sunday, April 3 to 4. Heavy...

April 07, 2021

dust storm texas march 22 2021

Massive dust storm engulfs West Texas, causing near-zero visibility

A line of severe storms brought a massive amount of dust in West Texas on Monday afternoon, March 22, 2021. The dust storm turned skies into dark orange and left motorists with near-zero visibility. A massive dust storm kicked up by severe storms blanketed the skies...

March 23, 2021

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Research reveals unknown mechanisms that generate auroras

New research has revealed an unknown mechanism of the magnetosphere-- electrons from the Sun are propelled by electrical energy higher than previously thought, ultimately creating displays of northern and southern lights or auroras. The formation of auroras starts...

March 14, 2021

aurora jan 18 2021

Sensors detect rare 'musical note' from magnetosphere over Norway

A rhythmic pattern sounding like a low-frequency musical note was detected from the magnetosphere over Lofoten, Norway, on Monday, January 18, 2021. The rare event, which is also called a pulsation continuous, is a strictly regional phenomenon, according to...

January 20, 2021