• Effective immediately we will be deleting, without notice, any negative threads or posts that deal with the use of encryption and streaming of scanner audio.

    We've noticed a huge increase in rants and negative posts that revolve around agencies going to encryption due to the broadcasting of scanner audio on the internet. It's now worn out and continues to be the same recycled rants. These rants hijack the threads and derail the conversation. They no longer have a place anywhere on this forum other than in the designated threads in the Rants forum in the Tavern.

    If you violate these guidelines your post will be deleted without notice and an infraction will be issued. We are not against discussion of this issue. You just need to do it in the right place. For example:

NOAA NWS Space Weather Prediction Center

Not open for further replies.


Dec 19, 2002
Orlando, Florida
SWPC has issued a Warning for a G3 (Strong) geomagnetic storm as a result of the CME that arrived earlier today. Right now, viewers in Asia and Europe are favorably located to see aurora from this storm. The bulk of the CME missed the Earth, which means we expect a shorter than average storm duration, so it may not persist long enough for viewers in North America. Let’s call this a ‘near miss’ for Earth, because if this CME had hit Earth head on, we’d be seeing severe to extreme activity. We’ve thrown lots of different plots at you recently and here’s another one. We know what’s about to hit Earth thanks to the NASA/ACE satellite. The red line near the top of the chart below shows us the strength of the CME magnetic field in the north-south direction. When it’s south (negative) for a long time with big numbers (like now at -30), then we know we’re in for a ride.
Not open for further replies.