Articles tagged "aurora"

Aurora

Aurora flyover in HD as seen from the International Space Station

The following video was compiled from time-lapse videos recorded from the International Space Station, courtesy of the Earth Science and Remote Sensing Unit, NASA Johnson Space Centre.

November 16, 2014

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CME impact from X1.6 solar flare generated strong G3 geomagnetic storm and bright auroras

The Earth's magnetic field got disturbed in response to the arrival of the September 10 halo CME caused by X1.6 solar flare. Magnetometers around the world recorded a Geomagnetic Sudden Impulse at 15:55 UTC which signaled the arrival of the CME at

September 12, 2014

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Subsiding geomagnetic storm sparked bright auroras over northern Europe, Greenland and Iceland

Coronal mass Ejection brushed Earth's magnetic field causing G2 (Moderate) Geomagnetic Storming late on February 27, 2014. The event was associated with the R3 (Strong) Solar Flare Radio Blackout event caused by February 25th X4.9 solar flare. A

February 28, 2014

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Auroral Tempest - Time-lapse video by InFocus Imagery

This time-lapse was captured on the morning of November 11, 2013. It is suspected that two CMEs (Coronal Mass Ejections) on November 8th and 10th from two separate X-class solar flares combined to form one cloud of plasma. The interaction of this energy with

November 20, 2013

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Six years of observing the Earth's magnetosphere

There is still only a handful of spacecraft to watch for solar and magnetic storms but the number of observatories has been growing over the last six years. Today, these spacecraft have begun to provide the first multipoint measurements to better understand space

September 27, 2013

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How epic solar winds make brilliant polar lights

Lesson by Michael Molina and animation by Franco Barroeta explains the phenomena known as polar lights. Source: EdTED Featured image: Polar light illustration (Credit: Franco

July 13, 2013

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Strong G3 geomagnetic storm in progress (June 29, 2013)

As Earth passes through a new coronal hole high speed stream, backed by unidentified CME shock, a prolonged interval of south-pointing magnetism (southward Bz) is having a strong impact on Earth's geomagnetic field. On June 29, 2013 Planetary K-index

June 29, 2013

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G1 (Minor) Geomagnetic Storm in progress - May 18, 2013

G1 (Minor) Geomagnetic Storm conditions are now occurring due to the arrival of the CME from May 15, 2013. During G1 Geomagnetic Storm, weak power grid fluctuations can occur, minor impact on satellite operations is possible, aurora is commonly

May 18, 2013

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Intro to space weather vocabulary - video

Heliophysics scientists study energy transformation from one event to the other and which electromagnetic waves create which conditions near Earth. Space weather effects can disrupt satellites in space, so scientists need to understand the system in even more detail.

May 06, 2013

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Corona aurora over UAF ski trail, Alaska

Time-lapse movie of the corona aurora that appeared over UAF ski trail, Fairbanks, Alaska after strong CME hit Earth's magnetic field. Red aurora was also captured. (1:54 - 2:32am AKST, March 17, 2013) Corona aurora is a shape of aurora in which rays

March 18, 2013

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Geomagnetic storms - basic terms, data, plots and graphs

A coronal mass ejection (CME) that erupted on March 15, 2013, hit Earth's magnetic field at 06:00 UTC on March 17, 2013. The solar wind speed reached 700 km/s and sparked a moderately strong G2 (Kp=6) geomagnetic storm and minor S1 solar radiation

March 18, 2013

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Aurora displays over Large Animal Research Station (LARS) in Alaska

The following video is a time-lapse movie of the aurora displays over Large Animal Research Station (LARS), University of Alaska Fairbanks (UAF) from February 13, 2013 captured by Taro Nakai, a researcher of micrometeorology (dynamics of the interaction between plant

February 15, 2013

November Night

"November Sky" - Time-lapse by InFocus Imagery

This amazing timelapse by talented Zoltan Kenwell - InFocus Imagery - was captured in the morning of November 24, 2012, about 30 km east of Bashaw, Alberta, Canada. "The forecast was looking very promising for a fantastic display. A more or

November 27, 2012

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CME from September 28 eruption heading toward Earth

Sunspot 1577 generated a long duration C3.7 solar flare which hurled a coronal mass ejection (CME) almost directly toward Earth on September 28. Proton levels reached the S1 Minor Radiation Storm level soon after the event. The proton event linked to the C3.7 flare

September 30, 2012

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Aurora 2012 timelapse by Christian Mülhauser

"Astronomy picture of the day" featured amazing video of wonderful aurora display over Ravnastua, Skoganvarre and Lakselv in Norway, captured by Christian Mülhauser.Aurora 2012 from Christian Mülhauser on Vimeo.Auroras are occurring again with increasing

September 13, 2012

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Minor to Moderate Geomagnetic Storming possible at high latitudes

The Coronal Mass Ejection was caused by the large filament eruption late on August 31st.  Minor to Moderate Geomagnetic Storming will be possible at high latitudes, especially on September 3rd. Solar Radiation Storm levels have increased above the S1 (Minor)

September 02, 2012

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"After the storm" - Time-lapse by InFocus Imagery

On July 14, 2013, the Sun unleashed a major X1.4 solar flare which was accompanied with a CME (Coronal Mass Ejection). InFocusImagery brings us this amazing time-lapse video. Featured image and video courtesy

July 19, 2012

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Subsiding geomagnetic storm, all levels are back to normal

The geomagnetic storming started on July 14th through 16th and it is subsiding right now. Geomagnetic storm was triggered by a CME impact on July 14th around 18:00 UTC when strong X1.4 solar flare exploded from Sunspot AR 1520. Conditions at the peak showed Moderate

July 17, 2012

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G2 Geomagnetic storming in progress (Kp=6)

We are still experiencing effects of incoming CME generated from Sunspot 1520 which produced strong X1.4 Solar Flare on Thursday. A Moderate G2 Geomagnetic Storm (KP=6) is in progress right now due to an incoming CME shock. The geomagnetic field has been at active to

July 15, 2012

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Subsiding geomagnetc storm lit up both poles with bright auroras

The Kp index dropped below the Minor Geomagnetic Storm threshold (Kp=4). Minor storm flareups at high latitudes could still take place for the remainder of the day. Geomagnetic Storming continued during the day at very high latitudes as effects from an incoming CME

June 17, 2012

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Geomagnetic storm now in progress

The Bz component of the Interplanetary Magnetic Field has been tilting sharply south for long durations and this has in turn generated a G1 Level Geomagnetic Storm at very high latitudes. Migratory animals are affected at this and higher levels and  aurora is commonly

June 03, 2012

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Alberta Aurora - Prairie Light time-lapse movie by InFocus Imagery

And here is another amazing time-lapse video of auroras by Zoltan Kenwell. On April 23/24, 2012 Earth experienced a G3 geomagnetic storm. The Kp index, a measure of magnetic field, peaked at 6.33 out of a maximum of 9. The result of this disturbance created this Aurora

April 28, 2012

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Earth is passing through the wake of a CME - G2 geomagnetic storming in progress

A long-lasting Geomagnetic Storm that reached very close to the Strong G3 Level (Kp =6) took place Monday night and early Tuesday morning. Ham Radio operators were able to make numerous contacts via the Aurora on the 6 meter (50mhz) amateur radio band. This storm was

April 24, 2012

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Timelapse: "Celestial Lights - viewed from Earth"

Photo and video artist Ole C. Salomonsen assembled over 150,000 digital photos taken over the course of eight months to create this stunning time-lapse video of aurora-filled Arctic skies. The footage was shot on location in parts of Norway, Finland and Sweden from

April 18, 2012

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Incoming CME could spark bright auroras over Polar Circle

According to the latest WSA-Enlil Solar Wind Prediction track, the CME from Thursday may deliver a glancing blow late on April 8th. Only minor geomagnetic activity is expected as a majority of the plasma cloud will miss Earth. (Check this animation). NOAA forecasters

April 07, 2012

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Aurora Sub-storm March 15/16, 2012 (timelapse and gallery)

The flank of a CME hit Earth's magnetic field on March 15th around 13:00 UTC. The impact sparked a moderate (Kp=6) geomagnetic storm. Beautifull auroras colored sky into March 16th. Here are some images and great timelapse-movie. Just outside

March 18, 2012

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Amazing March auroras around polar circles

Sunspot 1429 still gives a thrilling time for night skywatchers. Recent solar activity produced numerous CME impact that sparked aurora displays around polar circles.Aurora tour guide Chad Blakely of Abisko Sweden made a wonderful movie on March 12th with beautiful

March 14, 2012

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M6.3 solar flare, geomagnetic storm still in progress

Sunspot 1429  just produced a strong M6.3 Solar Flare. AR 1429 is now located in the center of the visible solar disk so this solar flare and its CME is heading straight toward Earth. The Bz Component of the Interplanetary Magnetic Field (IMF) is pointing south and

March 09, 2012

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Solar activity increasing - Two more M-class solar flares after powerful X-class event

Solar activity is increasing! Massive sunspot AR1429 emerged on March 2nd and it is crackling with strong solar flares. Sunspot 1429 just produced a short duration M2.1 solar flare at 19:16 UTC, followed by an M1.8 at 19:30 UTC. These are in addition to smaller

March 06, 2012

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Polar magnetic disturbance, farside eruptions and auroras

A disturbance is rippling through Earth's polar magnetic field on March 1st. Bright auroras have been sighted in Sweden and Finland. Rob Stammes of the Polar Light Center in Lofoten reports about magnetometer needles start to swing. This magnetic storm came as a

March 01, 2012

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February auroras and blue flashes

A CME impact followed by a gusty solar wind stream have combined to produce bright lights around the Arctic Circle on Feb. 26-29.  Arctic sky watchers should be on alert for more auroras tonight. The green flash, the fleeting emerald light that sometimes appears

March 01, 2012

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Weak CME impact sparks some auroras around Arctic circle

A CME hit Earth's magnetic field on Feb. 26th at 21:00 UTC. Brief outburst subsided before it reached geomagnetic storm levels. A geomagnetic sudden impulse was detected by the Boulder station at 21:41 UTC. Maximum levels of planetary Kp index was listed as 4, just

February 27, 2012

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The weak CME impact, auroras still possible

A CME hit Earth's magnetic field on Feb. 26th at ~2100 UTC. The impact was weak and does not appear set to cause a strong geomagnetic storm according to SpaceWeather. A solar wind increase to near 550 km/s was detected by the ACE Spacecraft around 20:50 UTC. A

February 27, 2012

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Solar filament channel eruption and aurora forecast

A Coronal Mass Ejection (CME) is seen in the latest STEREO Ahead COR2 images on Thursday morning, and the source appears to be a filament channel eruption near region 1419 in the northwest quadrant. After a close look, the expanding cloud appears to be directed mostly

February 23, 2012

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Short geomagnetic storming and widespread auroras above upper North America

An expected solar wind stream hit Earth's magnetic field during the waning hours of Saturday, Feb. 18th producing bright auroras all the way down into several US states including Wisconsin, Michigan, North Dakota, and Minnesota. The Bz is pointing South at times

February 19, 2012

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Subsiding geomagnetic storm with beautifull auroras

The expected CME impact sparked aurora lights around the Arctic Circle on Feb. 14th. The display was probably caused by a CME, launched from the sun on Feb. 10th. Solar wind poured in and fueled a G1-class geomagnetic storm (Kp index was at level 5). Our

February 15, 2012

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Auroras seen around parts of the Arctic Circle

Earth passed through a minor solar wind stream on Feb. 4-5. The weak impact of the solar wind was just enough to spark auroras around parts of the Arctic Circle. The effects of the solar wind are subsiding, and the auroras might disappear into the moonlight for the

February 05, 2012

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Fabulous displays of northern lights after M8.7 solar flare

The anticipated geomagnetic storm caused by Monday’s M8.7 solar flare and Tuesday’s coronal mass ejection (CME) impact is over. The aurora watch has been cancelled today for all but the highest latitudes around the Arctic Circle but a dazzling display of aur

January 25, 2012

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CME impact strongly compressed Earth's magnetic field and produced auroras

A coronal mass ejection (CME) hit Earth's magnetic field at 06:17 UTC on January 23, 2012 and produce geomagnetic storm (Kp5/G1 Level geomagnetic storm is currently in progress) and ongoing auroras around polar cycle. According to analysts at the Goddard Space Weather

January 22, 2012

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First solar activity in 2012 - Ionospheric disturbance and wonderful auroras

Polar Light Center in Lofoten, Norway recorded today around 13:20 UTC, a wave of ionization that swept through the high atmosphere over Europe after sunspot AR 1389 unleashed another M2-class solar flare. NOAA/SWPC forecasters estimate a 40% chance of more M-flares

January 01, 2012