Articles tagged "solar flare"

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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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C1.3 solar flare erupts from geoeffective Region 2734, CME impact expected March 11

A long-duration solar flare measuring C1.3 at its peak erupted from Region 2734 (Alpha) at 03:19 UTC on March 8, 2019. The event started at 03:07, peaked at 03:19 and ended at 03:58 UTC. This event was associated with a Type II Radio Emission registered at 03:15 UTC...

March 08, 2019

c5 solar flare january 26 2019

C5.0 solar flare erupts from AR2733, the strongest since February 18, 2018

A weak solar flare measuring C5.0 at its peak erupted from Active Region 2733 at 13:22 UTC on January 26, 2019. The eruption started at 13:12 and ended at 13:34 UTC. This was the strongest solar flare since February 18, 2018. It was preceded by B1.5 at 03:49 UTC,...

January 26, 2019


How solar flares accelerate charged particles into super high speeds

Scientists have made another step toward determining how solar flares accelerate charged particles like electrons and protons to speeds of almost the order of light. The new capabilities of the National Science Foundation's Karl G. Jansky Very Large Array (VLA)...

December 03, 2015


Moderately strong M5.1 solar flare erupted

A moderately strong M5.1 solar flared erupted around Sunspots 2172 and 2173 at 02:58 UTC on September 28, 2014. The event was associated with a Type II and Type IV Radio Emissions, along with a 10cm Radio Burst (TenFlare). GOES X-Ray flux and SDO's AIA 094 image

September 28, 2014


New emerging sunspots raise chances of flares in the coming days

Solar activity is currently at very low levels. However, a group of new sunspots are emerging over the southeastern limb and the chance of flares is increasing with it. This new group is increasing the solar EUV flux absorbed in the Earth’s

June 16, 2013


Third major X-class solar flare in 24 hours - X3.2 on May 14, 2013

Solar activity increased rapidly in the past two days with three M-class and three major X-class solar events. The latest recorded is the strongest flare so far this year, recorded as X3.2 on May 14, 2013 at 01:17 UTC.  This event was associated with Type II and

May 14, 2013


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


New research to focus on energy distribution in upper atmosphere

"Understanding interaction between the Earth’s magnetic field, or magnetosphere, and its upper atmosphere – known as the thermosphere/ionosphere – is especially important this year and in 2014, said Yue Deng, an assistant physics professor at University of Texas.

March 12, 2013


Fiery looping rain on the Sun

Eruptive events on the sun can be wildly different. Some come just with a solar flare, some with an additional ejection of solar material called a coronal mass ejection (CME), and some with complex moving structures in association with changes in magnetic field lines

February 20, 2013

SUN featured

Fast-growing Sunspot 1678 poses threat for M-class and X-class solar flares

Sun erupted slow-moving Coronal Mass Ejection (CME) on February 19, 2013. Goddard Space Flight Center reported that the bulk of the plasma cloud was directed to the north of Earth. Still, we can expect a glancing blow around February 22, 2013. Minor to moderate

February 20, 2013

sun January 13

Moderate to high solar activity with possible geomagnetic disturbances

Solar activity has been at moderate to high levels for the past 24 hours. AR1652 produced two M-class and 8 C-class solar flares  in the past 24 hours, and it has rapidly evolved to a compact beta-gamma-delta configuration. This active region erupted M1.0 flare

January 14, 2013


Large AR 1654 rotating into direct Earth view, C8 solar flare generated

Sunspot 1654 produced a long duration C8.0 solar flare at 17:46 UTC on January 10, 2013. Besides C8 event, solar activity remained at low levels. There are currently 9 numbered sunspots with 1652 and 1654 as the largest active regions. Region 1652 is classified as a

January 10, 2013

AR 1620

Fast growing sunspot AR 1620 harbors energy for strong flares

Five sunspot groups were reported today by Catania. Sunspots AR 1618 and AR 1620 have beta-gamma-delta and beta-gamma configurations of their photospheric magnetic field, respectively, and are being closely monitored for further flaring activity. NOAA/SWPC forecasters

November 26, 2012

gradient sun

Visualization of Sun's magnetic fields: Gradient Sun

NASA’s Goddard Space Flight Center’s visualization studio made an amazing video of Sun using a gradient filter which highlighted the details of the sun's complex magnetic fields. Gradient filter helps researchers in better understanding how solar activity affects

October 22, 2012


Long duration M1.8 solar flare erupted from Region 1520

After period of "silence", Active Region 1520-1521 sent another strong solar flare. The event was registered M1.8 solar flare with long duration. Started 12:50, peaked at 17:15 and ended at 18:30 UTC. A very bright Coronal Mass Ejection (CME) could be seen off the

July 17, 2012

Stefan Christmann _SC79689_1342430726_lg

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


Sunspot 1476 is crackling with solar flares, soon in geoeffective position

Sunspot 1476  is crackling with impulsive solar flares. Multiple mid level C-Class flares have been detected along with an impulsive M1.3 solar flare at 17:47 UTC. Solar activity is now at moderate levels. New and active Sunspot 1476 has produced three low-level

May 06, 2012


Sunspot 1429 unleashed M8.4 solar flare on March 10 peaking at 17:44 UTC

Sunspot 1429 unleashed another strong M class solar flare today. Currently measured at M8.4 solar flare peaked at 17:44 UTC. A bright Coronal Mass Ejection (CME) was produced. Further analysis will be done as imagery becomes available, however initial analysis

March 10, 2012


X1.7 solar flare - the 7th largest in Solar Cycle 24

Earth-orbiting satellites detected a powerful X1.7 solar flare today, January 27, at 18:37 UTC. The source was departing sunspot 1402 which rotate onto the far side of the sun, so the blast site was not Earth directed. Goddard Space Weather Lab's analysists say the

January 28, 2012

GOES magnetogram on 2012 01 24 at 18 24 UTC

CME impact! This is now the largest solar radiation storm since October 2003

CME Impact is here! By SWPC this is now the largest solar radiation storm since october 2003!The ACE Spacecraft chart showed a sharp change in the Bz data, just after 14:30 UTC. SWPC forecasters said they are expecting this CME to arrive here at Earth about 30

January 24, 2012


Subsiding radiation storm as new pair of CMEs taking place

A radiation storm that began on Nov. 26th when a magnetic filament erupted on the sun is subsiding. Nevertheless, the Earth-effects are just beginning. The same explosion that caused the radiation storm also hurled a CME into space at about 930 km/s (2 million mph).

November 28, 2011

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A Guide for Solar Watchers - Part 1

A Guide for Solar Watchers pt.1 - Sun basics For all those who don't quit understand what is happening with our Sun and what is space weather we decided to make A Guide for Solar Watchers. We will start with solar basics - structure, characteristics, solar

November 05, 2011


Big sunspot starting to release X-class solar flares

NOAA forecasters have upgraded the chance of X-class solar flares today to 20%. The source would be AR1339, one of the biggest sunspots in many years. The active region rotated over the sun's eastern limb two days ago and now it is turning toward Earth.The Radio

November 04, 2011


Significant CME heading toward Mars

A significant CME blasted off the sun today, Oct. 22nd, around 1100 UT. Analysts at the Goddard Space Weather Lab say the cloud is heading for Mars, due to hit the Red Planet on Oct. 26th.  (movie, forecast track)While looking at the latest STEREO Ahead images,

October 22, 2011


New sunspot record

The official Sunspot number for Oct 21,2011 is 207. This is a new record for Solar Cycle 24. Despite the amount of Sunspots, only low level M-Class flares have taken place thus far. This could soon change. Solar activity has been moderate with low level

October 22, 2011


Sun is active again: M1.6 flare & sundiving comet

A Solar Flare reaching M1.6 peaked at 03:25 UTC Thursday morning and appears to be centered off the northwest limb near Sunspot 1318 which is rotating out of direct earth view.Solar activity remains at fairly low levels with only small to mid sized C-Class flares

October 20, 2011

Comet Elenin coming pass earth 2011

Goodbye Comet Elenin!

Comet Elenin, or to be precise, its debris, made its closest pass by Earth on Oct. 16, 2011 without causing any earthquakes, tsunamis, or high tides and it didn’t collide with Earth, either. Strangely, but here was no brown dwarf or Mothership hidden in the

October 18, 2011


Farside CME hurled toward Mercury and Venus

An active region on the far side of the sun erupted on October 14 and hurled a significant coronal mass ejection toward Mercury and Venus. Analysts at the Goddard Space Flight Center expect the cloud to hit the innermost planet on October 15 around 08:30 UTC....

October 14, 2011


Minor geomagnetic storming underway

Minor geomagnetic storming (G1 on the Geomagnetic Storm Scale) is underway following the arrival at Earth of 1 or more Coronal Mass Ejections that erupted from the Sun late last week and into the weekend.  Activity is not expected to strengthen much beyond current

October 06, 2011


Double eruption on Sun

On October 1st around 10:17 UT, widely-spaced sunspots 1302 and 1305 erupted in quick succession, revealing a long-distance entanglement which was not obvious before. NASA's Solar Dynamics Observatory (SDO) recorded the movie of the double blast:Since it was

October 02, 2011


Aurora reverberations

A CME hit Earth's magnetic field on Sept. 26th, sparking one of the strongest magnetic storms in years. At the peak of the Kp=8 disturbance, auroras were sighted around both poles and more than half a dozen US states. Magnetic reverberations continued for more than 48

September 29, 2011

aurora borealis

Minor geomagnetic storm in progress

A minor geomagnetic storm erupted earlier today, Sept. 28th, causing beautiful Wednesday-morning auroras in Canada and some northern-tier US states. These are, essentially, aftershocks of the severe storm on Sept. 26th. More reverberations are possible tonight.

September 28, 2011

sun licks of flame

Strong solar activity causing severe geomagnetic storm

High-latitude sky watchers should be alert for auroras. A strong (Kp=7) geomagnetic storm is in progress. Earth's magnetic field has been strongly disturbed since approximately 1300 UT on Sept. 26th when a CME hit our planet. The impact strongly compressed the

September 26, 2011


Earth-directed coronal mass ejection expected

A coronal mass ejection (CME) is heading toward Earth and it could deliver a glancing blow to our planet's magnetic field on Sept. 22th around 23:00 UT. There are no large coronal holes on the Earth-facing side of the sun. High-latitude sky watchers should be alert for

September 21, 2011

John Dean Nome Aurora Seward Aurora Sept 17 2011 772_1316284667_med

Geomagnetic storm in progress

As predicted by analysts at the Goddard Space Weather Lab, a coronal mass ejection (CME) hit Earth's magnetic field at ~03:30 UT on Sept 17th. The impact sparked a moderate geomagnetic storm (in progress) and auroras around the Arctic Circle. High-latitude sky watch

September 17, 2011


Incoming coronal mass ejection

As predicted by analysts at the Goddard Space Weather Lab, a coronal mass ejection (CME) hit Earth's magnetic field at ~03:30 UT on Sept 17th. The impact was not strong. Nevertheless, the arrival of the CME could spark geomagnetic activity around the Arctic Circle.

September 17, 2011

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Geomagnetic storm continues

New sunspot AR1295 is emerging over the sun's northeastern limb and crackling with solar flares. The strongest so far, a C9.9-category blast, did something remarkable. Click on the arrow to watch an extreme ultraviolet movie from NASA's Solar Dynamics

September 13, 2011

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Geomagnetic storm in progress

UPDATE: The Geomagnetic Storm has subsided over the past few hours. However, the solar wind remains energized and occasional pulses of activity are expected for another 24 hours. Region 1283, the responsible party back at the Sun, decayed today. The Geomagnetic Storm

September 10, 2011


Sunspots 1271 and 1272 are growing again

After a weekend of quiet decay, sunspots 1271 and 1272 are growing again. Click on the image to view 24 hours of development:The increase in size has not yet translated into a significant increase in flares. Solar activity remains low, although this could change if

August 22, 2011