SPACE - S0 - 20210809 - Animal Anomalies, LLSVPs, Coronal Holes
Good Morning, 0bservers!
Solar winds peaked on Saturday at 500 KPS around 1700 UTC, but since then they've been in a pretty steady decline. It dropped as low as 330 KPS at 0400 UTC, but it's in the 360-370 KPS range as of 1000 UTC. While wind speeds were on a downward slope, the opposite is true for Particle Density. It had risen until it reached a stability point around noon UTC yesterday, but did a bit of a steep climb starting at 0100 UTC before returning to its previous level by 0700 UTC. Temperatures, on the other hand, got pretty weird for a while yesterday. For most of Saturday evening and Sunday morning they were riding the 5000°K line pretty closely, but around 0730 they briefly spiked up to 5600°K, then dropped back down, then sustained 5600°K about two hours after that for a good 90 minutes. After that, they dropped into the 4100°K range before jumping back to its current 4300°K-4400°K range as of 1000 UTC. Phi Angle readings were pretty steady since late Saturday night, with a bit of a scramble for about three hours starting around noon UTC yesterday, and then another scrambler which started at 0230 for another three hours before the polarity shifted yet again. The latter items look like the results of polarity collisions on the Bt/Bz chart. As to the KP-Index, I will admit both surprise and error on my part. Really thought we'd see at least a minor geomagnetic storm over the weekend, but the charts for the last 36 hours never got out of the green, never exceeding KP-2. The Magnetometer sine wave has been shallowing for the past two days and I think it will do that for another day at least. The Electron Flux levels did get pretty close to the Alert Threshold on Saturday afternoon, but since then they've remained in a more nominal state. Proton Flux, as all(most) always, remained steady and strong and quite nominal. The X-Ray Flux showed a flare in the upper Class B range around 1600 UTC on Saturday before returning to normal background radiation for about 32 hours. Then at midnight UTC we had a strong flare hop up into lower Class C, with a few minor perturbations after that before again returning to background levels. The latter flare was most visible on 193Å and 304Å, with the latter showing a strong spark and the former exhibiting signs of a CME - one (hopefully) directed behind our orbit. The ENLIL Spiral is again showing an ejection ahead of our orbit, with perhaps a glancing blow to Earth later this week, but the Spiral projection over on NOAA does not corroborate this (again). LASCO C3 isn't showing anything headed our way, so I think we're good for now. The Magnetogram is showing the Southern sunspot group passing the midpoint, with very little magnetic cohesion and a lot more separation. The newer sunspot group in the North, however, where the Class C flare occurred, is definitely large and definitely complex, at least a Beta-Delta if not Beta-Gamma-Delta. This is the one to watch for the remainder of the work week.
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