Sun, May 12, 2024
Strong Geomagnetic Storm Reaches Earth, Continues Through Weekend
Good ol' SOL is having a bit of a fit this weekend...
NOAA space weather forecasters have observed at least seven coronal mass ejections (CMEs) from the sun, with impacts expected to arrive on Earth as early as midday Friday, May 10, and persist through Sunday, May 12, 2024.
NOAA’s GOES-16 satellite captured activity at sunspot AR3664 that occurred around 2 p.m. EDT on May 9, 2024.
NOAA’s Space Weather Prediction Center (SWPC) has issued a Geomagnetic Storm Warning for Friday, May 10. Additional solar eruptions could cause geomagnetic storm conditions to persist through the weekend.
The First of Several CMEs reached Earth on Friday, May 10 at 12:37 pm EDT. The CME was very strong and SWPC quickly issued a series of geomagnetic storm warnings. SWPC observed G4 conditions at 1:39 pm EDT (G3 at 1:08 pm EDT). This storm is ongoing and SWPC will continue to monitor the situation and provide additional warnings as necessary.
"This is an unusual and potentially historic event," noted Clinton Wallace, Director, NOAA’s Space Weather Prediction Center.
CMEs are explosions of plasma and magnetic fields from the sun’s corona. They cause geomagnetic storms when they are directed at Earth. Geomagnetic storms can impact infrastructure in near-Earth orbit and on Earth’s surface, potentially disrupting communications, the electric power grid, navigation, radio and satellite operations. SWPC has notified the operators of these systems so they can take protective action.
Geomagnetic storms can also trigger spectacular displays of aurora on Earth. A severe geomagnetic storm includes the potential for aurora to be seen as far south as Alabama and Northern California.
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