Tag Archive | Widespread Auroras

SPACEWEATHER: CME Possible Today; Stronger Storms Likely

Nov16

Solar Cycle 25 Far from Finished

“Statistically speaking, the declining phases of solar cycles are when some of the strongest storms occur.”

SPACEWEATHER.COM NEWS: 11/16/2025

X-CLASS SOLAR FLARE AND CME: Sunspot 4274 erupted again yesterday, producing a powerful X4-class solar flare. Unlike previous explosions, this one was not directly facing Earth. Most of the CME will miss our planet. Even so, a glancing blow is possible on Nov. 16th. NOAA forecasters have issued a G1-class geomagnetic storm watch for Nov. 16th and 17th.

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SPACEWEATHER: Geomagnetic Storms, Fluctuating Between Strong and Severe

Aug12

SPACEWEATHER.COM NEWS: August 12, 2024 (Updated)

VERY STRONG GEOMAGNETIC STORM: Multiple CMEs hit Earth over the weekend, sparking an ongoing geomagnetic storm. Storm levels are currently fluctuating between strong (G3) and severe (G4). This plot from NOAA shows the progress of the storm so far:

NOTE: These were triggered by back-to-back 1.1 and 1.7 X-Class solar flares. The large earth-facing sunspot is part of a system that produced an X-Class 14 flare last week from the farside. Continue reading →

SPACEWEATHER: Strong Geomagnetic Storms, Widespread Auroras

Aug12

Aurora Taken by MaryBeth Kiczenski on August 12, 2024 @ Kenosha, WI

Widespread Auroras

SPACEWEATHER.COM NEWS: August 12, 2024 (Updated)

STRONG GEOMAGNETIC STORMS: Strong G3-class geomagnetic storms are underway on Aug. 12th in response to multiple CME impacts. Auroras have been spotted in more than 30 US states as as far south as Texas, Colorado and California. At the moment the storm shows no sign pf abating, so it could continue into the night of Aug. 12-13. 

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