Space weather

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'Extremely rare' red auroras seen for two nights in a row over Finland

Extremely rare red auroras were seen over Utsjoki, Finland, on Monday and Tuesday, October 12 and 13, 2020. These natural light display, also referred to as northern lights, are normally green. However, for some reason, the solar wind on Monday excited oxygen at...

October 14, 2020

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CH HSS sparks G1 - Minor geomagnetic storm, G2 - Moderate warning

A recurrent, positive polarity coronal hole high speed stream (CH HSS) is affecting our planet since September 23, sparking active to G1 - Minor geomagnetic storm conditions. A G2 - Moderate geomagnetic storm warning was issued at 08:07 UTC today. In 24 hours to...

September 24, 2020

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SC25 Prediction Panel announces the start of a new solar cycle, expects continued below-average strength

Solar minimum occurred in December 2019, marking the start of a new solar cycle, the Solar Cycle 25 Prediction Panel, an international group of experts co-sponsored by NASA and NOAA, announced on September 15, 2020. The solar minimum between Solar Cycle 24 and 25 -...

September 15, 2020

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Series of coronal holes spark G1 - Minor geomagnetic storming

Our planet is under the influence of a series of coronal holes since August 25, 2020, sparking unsettled to G1 - Minor geomagnetic storm conditions. The effect is expected to continue through at least September 2. G1 - Minor geomagnetic storm threshold was first...

August 31, 2020

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Glancing-blow expected after weak B1.2 solar flare

A weak solar flare measuring B1.2 at its peak erupted on August 16, 2020, producing a coronal mass ejection (CME). Consensus model results suggest an arriving glancing blow on August 20 -- producing unsettled to active geomagnetic field conditions, with a chance for...

August 18, 2020

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Study finds correlation between solar activity and large earthquakes worldwide

A new study published in the Nature Scientific Reports on July 13 suggests that powerful eruptions on the Sun can trigger large earthquakes on Earth. In the paper, the authors analyzed 20 years of proton density and velocity data, as recorded by the SOHO satellite,...

July 16, 2020

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Solar storm hits Earth, sparking active geomagnetic conditions

Our Sun launched two solar storms this week, one of which was Earth-directed, Space Weather Physicist Dr. Tamitha Skov reports in her latest space weather forecast released July 14, 2020. The storm has hit, right on time, and all through the night people have been...

July 15, 2020

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First M-class solar flare of Solar Cycle 25 - Impulsive M1.1 at 07:24 UTC on May 29

A moderately strong solar flare measuring M1.1 erupted at 07:24 UTC on May 29, 2020. This is the first M-class solar flare of the new solar cycle -- Solar Cycle 25. The event started at 07:13, peaked at 07:24, and ended at 07:28 UTC. The eruption took place on the...

May 29, 2020

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G1 - Minor geomagnetic storm in progress

A negative polarity, southern crown coronal hole extension has moved into a geoeffective position enhancing the solar wind environment. Unsettled levels are expected on April 21 as high speed stream (HSS) effects persist. By late April 22 (UTC), a positive polarity...

April 20, 2020

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Rare, vivid blue auroras seen over Norway's Lofoten Islands

Rare, vivid blue auroras were seen over the night sky of Norway's Lofoten Islands on Tuesday, February 18, 2020. Photographer Matthew Steinberg captured the majestic view, which he was able to finally witness after an entire day of snow, sleet, and heavy winds....

February 19, 2020

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Deep-space radiation reaching a percentage point of Space Age maximum

Solar activity is at very low levels and the visible disk remains spotless for the 17th day in a row, making a total of 33 days in 2020 or 66 percent -- we are still in a Solar Minimum, which is expected to end sometime this year. As a result of weakened Sun's...

February 19, 2020

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Unsettled geomagnetic field due to CH HSS influences

Solar wind parameters in 24 hours ending 12:30 UTC today were indicative of a slightly enhanced and disturbed interplanetary magnetic field (IMF) due to weak coronal hole high speed stream (CH HSS) influences. Total IMF strength was variable, but steadily increased...

February 18, 2020

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ISS astronaut shares her view of Quadrantid meteor shower and aurora over Edmonton, Canada

NASA astronaut Christina Koch shared a stunning photo of the Quadrantid meteor shower-- this year's first meteor shower-- from her view aboard the International Space Station (ISS). The majestic view also features green bands of the aurora borealis or northern...

January 24, 2020

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First multi-spot group of Solar Cycle 25 - Active Region 2753 numbered on December 24, 2019

After 40 days with no sunspots on the Earth-facing side of the Sun, a new sunspot emerged near the southeast limb of the Sun on December 23, 2019, and was numbered Active Region 2753 on December 24. The region has magnetic polarity -/+, opposite of +/- magnetic...

December 24, 2019

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Cosmic radiation around us reaching record high levels as the Sun sets Space Age record for most days without spots

Cosmic radiation has hit the 5-year high this month and is approaching record high values as the Sun sets a new Space Age record for spotlessness -- days without sunspots. The Sun’s magnetic field weakens during solar minimums, allowing deep space cosmic...

December 17, 2019

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Fast wind storms and Europa plumes - Solar Storm Forecast by Dr. Tamitha Skov

A coronal hole that has brought us up to storm levels multiple times before is back and is sending us some fast solar wind yet again, Dr. Tamitha Skov said in her latest Solar Storm Forecast video. We have already bumped up to unsettled conditions and could hit...

November 22, 2019

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Earth under the influence of positive polarity CH HSS, G2 - Moderate geomagnetic storm

Earth is under the influence of a positive polarity coronal hole high speed stream (CH HSS). This is causing G1 - Minor to G2 - Moderate geomagnetic storming. Solar wind parameters were at background levels until about 06:00 UTC on October 24 when co-rotating...

October 25, 2019