NOAA reported in mid-October 2024 that the anticipated coronal mass ejection (CME) arrived at Earth at 11:15am EDT at nearly 1.5 million miles per hour. The CME strength and structure are being closely scrutinized for potential geomagnetic storm intensity, but, G3 levels are now expected due to the magnitude and potential of the CME, therefore G3 or greater warning has been issued.
G4 (Severe) levels remain likely with the watch still in effect and even a slight chance of G5 (Extreme) levels due to initial observations of the CME strength. Updates will continue as conditions are met with Alerts issued accordingly.
This storm could impact ongoing recovery efforts for Hurricanes Helene and Milton in several critical ways:
- Communications: Systems that depend on low-Earth orbit satellites or High-Frequency communication may experience disruptions.
- Power grids: The storm could put additional stress on power grids already weakened by the hurricanes.
- GPS services: Navigation systems, especially those relied upon in disaster relief, may be degraded.
- SWPC has already updated FEMA and several state agencies involved in recovery operations.
- When skies are clear, the aurora (Northern Lights) could be visible as far south as Alabama and northern California tonight.
- Please continue to follow our webpage for the latest information and updates.
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