Negative polarity CH HSS sparks geomagnetic storming

Negative polarity CH HSS sparks geomagnetic storming

An isolated, negative polarity Coronal Hole High Speed Stream (CH HSS) is affecting our planet on February 27 and 28, 2019, causing isolated periods of geomagnetic storming. Solar winds over the past 24 hours were indicative of an anticipated Solar Sector Boundary…

Negative polarity CH HSS sparks G1 – Minor geomagnetic storming

Negative polarity CH HSS sparks G1 – Minor geomagnetic storming

A large negative polarity coronal hole is affecting our planet, causing G1 – Minor geomagnetic storming. Geomagnetic K-index of 5 (G1 – Minor geomagnetic storm) threshold was reached at 01:37 UTC, January 5, 2019. Solar wind parameters, as measured by the DSCOVR…

Positive polarity coronal hole high speed stream sparks geomagnetic storm

Positive polarity coronal hole high speed stream sparks geomagnetic storm

A positive polarity coronal hole high speed stream (CH HSS) is affecting our planet since late December 27, sparking G1 – Minor geomagnetic storm. Periods of active conditions are likely through December 29 followed by quiet to unsettled activity on December 30…

CH HSS sparks G2 – Moderate geomagnetic storm

CH HSS sparks G2 – Moderate geomagnetic storm

Our planet is under the influence of a positive polarity Coronal Hole High Speed Stream (CH HSS) over the past 24 hours. Geomagnetic storms reaching G2 – Moderate levels were registered November 5. Solar wind parameters reflected the passage of a Solar Sector…

Coronal hole high speed stream sparks geomagnetic storm

Coronal hole high speed stream sparks geomagnetic storm

Earth is under the influence of a positive polarity coronal hole high speed stream (CH HSS) on October 7 and 8, 2018. G1 – Minor geomagnetic storm conditions were observed at 16:22 UTC and 20:42 UTC on October 7, 2018. A G2 warning has been issued and is valid until…

Positive polarity CH HSS sparks geomagnetic storming

Positive polarity CH HSS sparks geomagnetic storming

A G2 – Moderate geomagnetic storm watch has been issued for September 11, 2018 due to the onset of positive polarity coronal hole high speed stream. Solar wind parameters over the past 24 hours were descriptive of the passage of Co-rotating Interaction Region (CIR)…

Positive polarity CH HSS sparks G1 – Minor geomagnetic storm

Positive polarity CH HSS sparks G1 – Minor geomagnetic storm

A weak positive polarity Coronal Hole High Speed Stream (CH HSS) affecting our planet since late June 17, 2018, sparked a G1 – Minor geomagnetic storm at 02:56 UTC on June 18. Solar wind parameters, as measured by the DSCOVR spacecraft located at the L1 point, were…

Negative polarity CH HSS sparks geomagnetic storming

Negative polarity CH HSS sparks geomagnetic storming

A negative polarity Coronal Hole High Speed Stream (CH HSS) is affecting our planet today, sparking G1 – Minor geomagnetic storming. G1 threshold was reached at 13:29 UTC on June 1, 2018. Solar wind parameters became enhanced over the past 24 hours due to the effect…

G2 – Moderate geomagnetic storm conditions observed

G2 – Moderate geomagnetic storm conditions observed

G2 – Moderate geomagnetic conditions were observed on May 6, 2018 in response to the influence of a negative polarity coronal hole high speed solar wind stream. G1 – Minor geomagnetic storm conditions were first observed at 17:59 UTC on May 5, followed by G2 at…