Magnetic Storm by MagikUnicorn
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Description
Bryce Art
Magnetic Storm
A geomagnetic storm is a temporary disturbance of the Earth's magnetosphere caused by a disturbance in the interplanetary medium. A geomagnetic storm is a major component of space weather and provides the input for many other components of space weather. A geomagnetic storm is caused by a solar wind shock wave and/or cloud of magnetic field which interacts with the Earth's magnetic field.
The increase in the solar wind pressure initially compresses the magnetosphere and the solar wind magnetic field will interact with the Earth’s magnetic field and transfer an increased amount of energy into the magnetosphere. Both interactions cause an increase in movement of plasma through the magnetosphere (driven by increased electric fields inside the magnetosphere) and an increase in electric current in the magnetosphere and ionosphere.
During the main phase of a geomagnetic storm, electric current in the magnetosphere create magnetic force which pushes out the boundary between the magnetosphere and the solar wind. The disturbance in the interplanetary medium which drives the geomagnetic storm may be due to a solar coronal mass ejection (CME) or a high speed stream (co-rotating interaction region or CIR) of the solar wind originating from a region of weak magnetic field on the Sun’s surface.
The frequency of geomagnetic storms increases and decreases with the sunspot cycle. CME driven storms are more common during the maximum of the solar cycle and CIR driven storms are more common during the minimum of the solar cycle.
There are several space weather phenomena which tend to be associated with a geomagnetic storm or are caused by a geomagnetic storm. These include: Solar Energetic Particle (SEP) events, geomagnetically induced currents (GIC), ionospheric disturbances which cause radio and radar scintillation, disruption of navigation by magnetic compass and auroral displays at much lower latitudes than normal.
In 1989, a giant geomagnetic storm energized ground induced currents which disrupted electric power distribution throughout most of the province of Quebec and caused aurorae as far south as Texas.
Thanks
Magik
Comments (55)
MagikUnicorn
Orage magnétique Un orage magnétique (syn. : tempête magnétique) provoque des fluctuations brusques et intenses du magnétisme terrestre liées aux variations de l'activité solaire. Les couches électriques dans l’ionosphère feraient varier l’intensité du champ magnétique terrestre entraînant de nombreux orages magnétiques. Les principaux effets Variation de la direction de l'aiguille d'une boussole ; Fluctuations de l'intensité de l'induction magnétique terrestre, principalement la composante horizontale ; Bruit électrique induit dans les câbles téléphoniques ; Perturbations importantes de la propagation ionosphèrique des ondes radioélectriques ; Apparitions des aurores polaires. L'orage à début brusque (SSC : Storm Sudden Commencement) qui touche toutes les latitudes, plus intense pendant les maxima du cycle solaire et suivant les éruptions solaires (chromosphériques) de quelques dizaines d'heures, il est accompagné d'une intense émission de rayons ultraviolets affectant les couches ionosphériques D et E, s'ajoutant à des averses de protons rapides ; l'orage à début progressif : d'intensité moyenne, aux conséquences plus localisées et se produisant souvent avec une certaine régularité correspondant à la période de rotation du Soleil sur lui-même. La surveillance de l'activité solaire peut aider à prédire certaines perturbations dans la propagation des ondes dont les conséquences peuvent être graves pour les télécommunications, ainsi que l'incidence de ces orages sur la distribution de l'énergie électrique. En 1965, une énorme panne de courant avait plongé les habitants du continent Nord-Américain dans l’obscurité, soit 30 millions de personnes sur 200 000 km2. En 1989, c’est une panne de même origine qui a touché 8 millions de personnes au Québec; de plus les aurores polaires produites par cet orage furent visibles jusqu'au Texas.
Razor42
That sky looks awesome! Solar cycle 24 is putting up some magic shows so far. Early march seen a geomagnetic storm create a fantastic aurora over iceland. Maybe its time to get that generator ready :)
rocdan
SIMPLY beautiful THE COLOUR IS AMAZING VERY WELL DONE
magnus073
Magik, c'est une image fantastique. La tempête semble très puissant.
brycek
Beautiful work, Magik!!
alessimarco
~Wow! A truly gorgeous scene!~!
bebopdlx
Very cool work.
npauling
A splendid image and great magnetic waves.
SidheRoseGraphics
This is certainly eye-catching in the thumbnail. On closer look, it is a stunning and beautiful image. Gorgeous sky and water...well, everything about it is excellent. Fantastic work!
mgtcs
WOW...Marvelous image Magik, the color is outstanding!
Savage_dragon
Wicked! ")
peedy
Stunning, MU! Gorgeous colors and lighting. Awesome sky! Corrie
DennisReed
I'm in awe!
jclP
Very cool work.
odile
C'est une scène tellement stylisée qu'elle en ai presque abstraite. Très bel effet.
Jean_C
Superbe image aux couleurs flamboyantes!
jayfar
A superb image Magik.
bazza
Great magnetic storm effect MU, Excellent scene and info..
UteBigSmile
LOVE IT! Thank you for this very interesting info Real
Faemike55
Very nice work
flaviok
Uma soberba obra de arte meu amigo, aplausos (5)
thecytron
Very warm ambiance lighting!
nitegrafix
Wow fantastic. Really good perspective, I like the atmosphere O_O
Feliciti
i read about this too !! ,excellent creation and colors !!
KnightWolverine
Hold onto your hats...The peak of these storms hasn't even begun yet...image what it will be when one of those storms gets a little more accurate and direct...Gonna make that last one in Quebec seems small in comparison.Gonna be an interesting next couple of years for sure.... Grand Creation here Rea'l...Thanks for the reading....always like a good read with morning coffee....
sharky_
Wonderful work and always interesting info. Aloha
Leije
Absolument magnifique ! Merci pour les infos !
jendellas
Wonderful rich warm colours!!
rayag
very dramatic creation!
Jay-el-Jay
Thanks for the fine image and the information about the components of the space weather.I heard that these things also effect cell phones and other satellite related functions.