Steve HermanMay 10, 2024
This is the first G4 severe level geomagnetic alert issued since 2005 with the coronal mass ejection arrival as early as this evening US time, NOAA's Shawn Dahl tells reporters on a conference call.
Show threadSteve HermanMay 10, 2024
Warning also just issued for a solar radiation storm at the S1 level with potential for a stronger event, adds NOAA's Dahl.
Show threadSteve HermanMay 10, 2024
Operators of North America power grid should have ample time "to adequately prepare" to help mitigate and control any developing problems, explains NOAA's Dahl. Worse possible situation would be a "Carrington Event" but "we're not anticipating that."
Show threadSteve Herman
Orientation of the CME in relationship to the magnetic field will determine the severity of the geomagnetic storm, according to NOAA scientists.
May 10, 2024 at 2:22pmWeb
Show threadSteve HermanMay 10, 2024
Current big sunspot group, 16 times the diameter of Earth, is the "largest seen in some time," according to NOAA.
Show threadSteve HermanMay 10, 2024
If G4 event is post-midnight the aurora could be seen as far south as Alabama and northern California.
Show threadferricoxideMay 10, 2024
@w7voa Supposed to be rainy most of today and cloudy, here, until midnightish. 😢
Show threadJoe 🏔️ King of NYNEX   May 10, 2024
@w7voa How many football fields is that?
Show threadDan CiruliMay 10, 2024
@luzkenin @w7voa all of them
Show threadDoug 🌈🇨🇦 May 11, 2024
@w7voa Don't worry, the Enterprise will use it's shields to deflect the CME.