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3 clusters · 7 sources · 12 days · First seen · Last updated

September solar activity and geomagnetic storm impacts

Overview

Forecasts for September indicated fluctuating geomagnetic activity, with initial predictions suggesting a calm period around September 1 followed by potential disturbances on September 4 and 5. Significant activity was expected between September 10 and 12, with a possible second wave toward the end of the month.

By early September, the outlook intensified as the NOAA Space Weather Prediction Center warned of potential geomagnetic storms on September 8. This activity was attributed to a series of coronal mass ejections (CMEs) that could merge and reach Earth. Models suggested a 35% probability of a weak storm and a 15% chance of a moderate storm, potentially resulting in a G1-category magnetic storm. While activity was expected to peak on September 8, conditions were forecasted to calm significantly by September 9.

Following these forecasts, the Space Weather Prediction Center identified G1 and brief G2 conditions caused by successive CMEs striking Earth’s magnetic field. These disturbances occur as dense plasma clouds transfer kinetic energy to the upper atmosphere.

In light of these events, research published in AGU Advances highlighted the severe risks posed by extreme solar activity. The study estimated that a 1-in-250-year geomagnetic storm could leave up to 5 million people in the United States without electricity and impact over 135,000 businesses, potentially resulting in daily economic losses of approximately $1.81 billion due to geoelectric fields interfering with extra-high-voltage transformers.

Entities

Space Weather Prediction Center · NOAA Space Weather Prediction Center · Sun · NOAA · AGU Advances

Timeline

  1. 3 days ago

    [TECHNOLOGY] 2 sources
    Solar activity triggers geomagnetic storms and poses grid risks

    Solar plasma activity has triggered G1 and G2 geomagnetic storms, while new research warns an extreme 1-in-250-year event could cause massive US power outages and $1.81 billion in daily economic losses.

  2. 6 days ago

    [TECHNOLOGY] 3 sources
    Solar activity expected to trigger geomagnetic storm on September 8

    NOAA predicts a G1-category magnetic storm on September 8 due to solar coronal mass ejections, potentially causing auroras and impacting satellite and communication systems.

  3. 14 days ago

    [TECHNOLOGY] 3 sources
    Solar activity forecasts predict geomagnetic storms in September

    Forecasts indicate periods of increased geomagnetic activity in September, with notable potential disturbances expected between September 10–12 and September 25–28.

Sources

iskra.bg · mixvale.com.br · plovdivnow.bg · ruse.news · thecooldown.com · trafficnews.bg · zmianysolarne.pl

This summary has been updated 1 time: see revision history