Geomagnetic storms caused by negative polarity, south polar coronal hole high speed stream (CH HSS) reached…
Author: The Watchers » Space weather
Negative polarity CH HSS sparks G1 – Minor geomagnetic storming
An isolated interval of G1 - Minor geomagnetic storm conditions was observed early February 19, 2018,…
Long-duration C1.5 solar flare produced Earth-directed CME
A long-duration C1.5 solar flare erupted from geoeffective Active Region 2699 on February 12, 2018. The…
Solar activity cycle falls to the bottom 1.5 years earlier than expected
According to the Laboratory for X-ray Solar Astronomy of the PN Lebedev Physical Institute in Russia,…
Filament eruption, spotless Sun, Total Solar Irradiance and cosmic radiation
A 13-degree long plasma filament eruption was observed in SDO/AIA 304 imagery starting at 12:29 UTC…
Polar-connected, positive polarity CH HSS sparks geomagnetic storming
A high-speed solar wind stream is affecting our planet today, causing geomagnetic storming. G2 - Moderate…
Solar filament eruption, possible glancing blow on November 29
A solar filament was observed lifting off the Sun's northeastern quadrant beginning at approximately 04:45 UTC…
Remarkable pink aurora outburst over Norway
Over the past couple winters, big displays of pink and white auroras have coincided with spotless…
CIR ahead of CH HSS sparks G1 – Minor geomagnetic storming
A Co-Rotating Interaction Region (CIR) ahead of isolated positive polarity Coronal Hole High Speed Stream (CH…
Geomagnetic storms reaching G2 – Moderate levels, spotless Sun
Earth is again under the influence of a recurrent, positive polarity, northern extension Coronal Hole High…