Saw an unexpected spike this night

nrk94 wrote:

are you sure with your time estimates?

 

I have sudo server/database access - essentially, everything. I looked into this a bit further and went digging around in logs. It seems the power didn't go off between those times, but nothing hit the server between those times, and another time frame. I suspect either a part of Dan's network got turned off (circuit tripped) or the internet connection went down as there were no hits on the server at all. The outage times are as follows (all UTC):
2025-10-03 00:18:45 Last submission before outage.
2025-10-03 07:10:48 First submission after outage.
(So down between those two times)
Then again:
2025-10-03 07:18:58 Last submission before outage.
2025-10-03 16:11:40 First submission after outage.
Again down between the times. So it was two outages and was back up for around 9 minutes before going offline again. When I looked briefly earlier I was looking in the database and I stopped looking after I found the most recent outage and thought that was all. So it can be taken as two outages with a small recovery in the middle, or a larger outage between 00:18:45 and 16:11:40.

nrk94 wrote:

The data logs on radmon show a last measurement around....
 

Which logs are you looking at? The submitted time isn't necessarily that of the server. Users can submit from their devices using their local time if they are programmed to. Sadly, they tend not to mention that in the station description. I was looking at data from the failed submission logs (people submitting with the wrong password/usernames) and those times are logged by the server in UTC.

It is possible the other user in Denmark experienced what Mercator experienced, but in reality the spikes are tiny. I suspect something like a solar flare, or some space weather caused it. There were 2 or 3 M1.2 class flares on the 2nd and 3rd, although they weren't that large. So, I don't know what caused the spikes. I have had similar myself in the past, as have other users. It could be real radiation in the air, released form somewhere, but that kind of thing is really few and far between.

As for the Windy radiation data - the reddit post - I do think it was an exercise and the data was released by accident. They went public about it way too quick for it to be a real release. If it were real, we wouldn't hear about it for at least a couple of days I suspect, unless it was something catastrophic. Also, if you look at the Windy.com picture in the OP, you will see that the wind is blowing north, yet the radiation is travelling south. That kinda breaks the laws of physics. 

Good digging Simomax, yes radmon runs unless there is a power or internet outage. I have very recently installed a solar power system which is intended to bring radmon,org off power grid. A local power outage here does not affect the internet, so this should give maximum uptime.

However recently, there have been some experiments with the building containing radmon.org and running off the off-grid system. There has been at least one low-battery outage and a failure to start the database after a power loss outage.

Unfortunately, as I have been quiet for some time I haven't logged this directly in news. The outage is likely to be one of these events from about 2-3 weeks ago.

I'll be more active soon, as the list of important life and work tasks that have been keeping me quiet are being ticked off.

It is a shame that the outage may have nearly missed a detection event and I'll try to keep disruption to a minimum as I prove the power system. The end goal is of course to make radmon.org as reliable as possible