Articles tagged "cme impact"

july 14 2017 coronal mass ejection

CME hits Earth, sparks G2 - Moderate geomagnetic storm

A coronal mass ejection (CME) produced by the July 14th M2.4 long-duration solar flare hit Earth's magnetic field at 06:01 UTC on July 16, 2017. G2 - Moderate geomagnetic storming started 9 hours later. The S1 Minor solar radiation storm that started at 09:00...

July 16, 2017

partial halo cme june 28 2017 lasco c2

Partial-halo CME impact sparks G1 geomagnetic storm

A partial-halo coronal mass ejection (CME) produced on June 28, 2017 hit Earth's magnetic field at 17:12 UTC on July 1, almost 24 hours earlier than expected. The impact was weak but managed to spark a G1 - Minor geomagnetic storm 17 hours later. G1 Watch...

July 02, 2017

flying_through_an_aurora

Two CMEs heading toward Earth, severe geomagnetic storms expected

There are currently two Coronal Mass Ejections (CMEs) heading toward our planet and their combined arrival is expected to spark severe geomagnetic storms.The first one, released by the long duration M4.5 solar flare on September 9, is expected to hit Earth's magneti

September 11, 2014

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

Aleksander Chernucho DSC_8941 Panorama copy web_1317135837_med

Severe geomagnetic storm subsiding

A severe geomagnetic storm (Kp=7 to 8) that began yesterday when a CME hit Earth's magnetic field is subsiding.At the peak of the disturbance, auroras were sighted around both poles and in more than six US states including Michigan, New York, South Dakota, Maine, Ma

September 27, 2011