NOAA issues first ‘Severe Geomagnetic Storm Watch’ in 20 years
By Jennifer Van Laar | RedState
After days of observing "large sunspot groups" and "several strong flares, NOAA's Space Weather Prediction Center issued a G4 Severe Geomagnetic Storm Watch for Friday, May 10, through Sunday, May 12.
A graphic circulating with information about the watch said, in part:
At least five earth-directed coronal mass ejections were observed and expected to arrive as early as midday Friday, May 10, 2024, and persist through Sunday, May 12, 2024. This is an unusual event.
Several strong flares have been observed over the past few days and were associated with a large and magnetically complex sunspot cluster (NOAA region 3664), which is 16 times the diameter of Earth.
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