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 minutes later. This refers to the relationship between the Suns magnetic field (Interplanetary Magnetic Field (IMF) and Earths magnetic field (Magnetosphere).
A geomagnetic sudden impulse of 22 nT was detected at 15:04 UTC, and the Kiruna, Sweden magnetometer data below captures a rapid fluxuation at ground level. The solar wind data is still not available since the Proton Storm began. Geomagnetic Storm conditions will be possible in the hours ahead.
A G1-Geomagnetic Storm warning has been issued until 01:00 UTC on 25 January.
As of 19:27 UTC Geomagnetic K-Index of 6 is expected, G2 - Geomagnetic Storm warning in effect. S3 - Solar Radiation Storm in Progress.
Protons greater than 10 MeV increased to around 6300 pfu. This makes this Solar Radiation Storm the largest Solar Radiation storm since October 2003.
GOES Proton flux on Tuesday, Jan 24 at 16:30UTC
Kiruna magnetogram on Tuesday, Jan 24 2012 after sudden geomagnetic impulse at 15:04 UTC
Solar wind projection on Tuesday, Jan 24 2012 at 15:00 UTC.
Proton flux on Tuesday, Jan 24 2012 at 18:21 UTC
Planetary KP index on Tuesday, Jan 24 2012 at 18:16 UTC
GOES magnetogram on Tuesday, Jan 24 2012 at 18:23 UTC
Satellite environment plot on Tuesday, Jan 24 2012 at 18:21 UTC
Expect geomagnetic storms (G1 and possible G2) in the next hour and to continue at least till the end of the day today.
High-latitude sky watchers should be alert for auroras after local nightfall; the hours around local midnight are often best for seeing the Northern Lights. Chances for a good display favor observers in northern Europe, Greenland, Iceland, Canada, Alaska, and possibly northern tier US states such as Maine, Wisconsin and Minnesota.
Absorption prediction on Tuesday, Jan 24 2012 at 19:43 UTC
Update issued at 19:27 UTC, Jan 24 2012
WARNING: Geomagnetic K-Index of 6 expected
Valid From: 2012 Jan 24 1930 UTC
Valid To: 2012 Jan 25 0100 UTC
Warning Condition: Onset
NOAA Scale: G2 - Moderate
Update issued at 06:00 UTC, Jan 25 2012
Solar-terrestrial indices for 24 January follow.
Solar flux 136 and estimated planetary A-index 17.
The estimated planetary K-index at 0600 UTC on 25 January was 4.
Space weather for the past 24 hours has been strong.
Geomagnetic storms reaching the G1 level occurred.
Solar radiation storms reaching the S3 level occurred.
Space weather for the next 24 hours is predicted to be moderate.
Geomagnetic storms reaching the G1 level are expected.
Solar radiation storms reaching the S2 level are expected.
Radio blackouts reaching the R1 level are likely.
This page will be updated accordingly.