• 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

  • 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.

  • 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

  • Strong CME impact – G2 Geomagnetic Storm

    Long duration M 1.2 solar flare erupted on March 15, 2013 and launched a Full-Halo Coronal Mass Ejection (CME) toward Earth. It hit Earth’s magnetic field at 06:01 UTC on March 17, 2013 and Geomagnetic K-index of 6 reached threshold on March 17, 2013 at 08:42

  • Minor geomagnetic activity expected at high latitudes

    On March 12, 2013 a solar filament in the sun’s northern hemisphere erupted and launched Coronal Mass Ejection (CME). The source of the explosion was active region AR1690. A CME produced by the explosion is traveling north of the Earth line, but part of the CME

  • Geomagnetic storm / Solar Watch – January 18, 2013

    Two Coronal Mass Ejections (CME’s) are expected to impact the earth in the next 24 hours and a G1-Class Geomagnetic storm will be possible shortly after. Solar activity is expected to go quiet again after these active regions rotate off the earth-facing disk over the

  • Geomagnetic storm in progress, Aurora at high latitudes

    The passage of an interplanetary shock (CME) was recorded at 21:56 UTC on November 23, 2012. ACE spacecraft measured a geomagnetic sudden impulse of 25nT. The maximum southward component of Bz was -8.8 nT at 21:12 UTC on November 23. The primary Coronal Mass

  • Geomagnetic storm in progress (November 14, 2012)

    Geomagnetic storm conditions are currently in progress in the wake of CME passage. A prolonged period of southward interplanetary magnetic field brought G2 (Moderate) Geomagnetic Storm conditions early on November 14 (UTC), evening hours November 13 (EST) according to