Current Conditions
Solar Wind Speed: 679 km/sec Solar Wind Magnetic Fields: Bt 10 nT, Bz -5 nT
Month: September 2025
Why SWFO-L1 Matters
This is another must read for aurora folks, because you will learn everything you need to know about the lives of the US satellites that have been bringing us space weather, have died in the line of service (RIP DISCOVR) and are about to be online. This is the main takeaway information you are about […]
Flare or CME? Geomagnetic Storm or Blackout?
We’ve had a few questions about NOAA scales for various solar burps. Particularly- “What is an M Class Flare?” What does this mean? There is a jazz tune called “Solar Flare,” and for the life of me, I can’t remember who wrote it, but I used to go along to Monday night jazz in my […]
Current Conditions
Solar Wind Speed: 501 km/sec Solar Wind Magnetic Fields: Bt 3 nT, Bz 2 nT
New Coronal Hole Geoeffective Sept 21
Not much activity for tonight, and some clouds in many regions of Maine, but, starting on September 21, this particular coronal hole may give us some fireworks. Not as good as the Butterly Blaster this past weekend, but we may get to an Orange Alert level. Space Weather Class We had our first inaugural Space […]
Coronal hole facing Earth
We could see enhanced solar wind plus or minus 3 days from this bad boy, but, so far, no major CMEs detected. This coronal hole is a bunch bigger than it was on the last rotation, and was responsible for many alerts the last time around, too. We might see some activity by Friday, and […]
UTC 00:34 September 10, 2025
Solar Wind Speed: 501 km/sec Solar Wind Magnetic Fields: Bt 7 nT, Bz -3 nT
A Good Moment to Compare/Contrast kP with Observed Conditions
The NOAA Three-Day Forecast, in black with white letters, reflects kP predictions based on averaged data from 13 magnetometers around the world. However, these magnetometers only update every three hours. Given that, it’s easy to see why real time data coming off ACE/EPAM can sometimes conflict with kP forecasts. Here, we see that the kP […]
UTC 00:00, September 9, 2025
Greetings and welcome to the almost-new universal day. I’m writing a little bit earlier because it’s getting darker earlier. It’s clear up in the county, according to NOAA anyhow, and a look at the Katahdin webcam reveals our patron mountain in all her glory and majesty beneath a blue raspberry sky. There is a rather […]
Coronal Hole Active 4-8 September
Just when we thought the fun couldn’t get any funner! I will say, the moon is now going to be a definite deal breaker, at 89% full tonight, and moving on from there. However, I’m waiting for folks to mention that there’s a full lunar eclipse on the 7th. If you look at the sidebar […]