Monday, 25 June 2018 - 17:53 UTC
The NOAA SWPC has a minor G1 geomagnetic storm watch in effect for Wednesday, 27 June.
Saturday, 16 June 2018 - 09:46 UTC
The beginning of June has been very quiet when it comes to space weather. While we did reach minor G1 geomagnetic storm conditions back on the very first day of this month, no other space weather events have occurred which are worth mentioning. The solar wind conditions at Earth have been very underwhelming for a while now and the Sun has also been very quiet as we are starting to reach solar minimum conditions. That said, our automated coronal hole detection system spotted an opening in the corona yesterday. A southern extension of the northern hemisphere polar coronal hole was facing our planet today.
Tuesday, 29 May 2018 - 19:06 UTC
Sunspot region 2712 didn't manage to develop further since we wrote about it yesterday and has been pretty quiet today with only a couple of B-class solar flares. However, sunspot region 2712 is not the center of our attention today. Indeed, a coronal hole takes the spotlight today. A southern hemisphere coronal hole close to the solar equator is facing our planet today and sending an enhanced solar wind stream towards our planet.
Monday, 28 May 2018 - 17:51 UTC
Summer is upon us in the northern hemisphere and that means very little aurora sightings. The fact that we are in a very quiet space weather period doesn't help either of course but after a long and cold winter these warm rays of sunshine are very much welcome. Right? Or are you starting to experience aurora withdrawal symptoms? Either way, something has been drawing our attention today and that is the Sun's X-ray output as measured by GOES-15. Indeed: we are talking about solar flares.
Monday, 14 May 2018 - 18:10 UTC
A lot of aurora enthusiasts have put 17 May in their agenda as a possible date for some enhanced geomagnetic activity and thus auroral displays. Why? Because that is the date that a coronal hole solar wind stream is expected to arrive at Earth from a coronal hole that managed to give us moderate G2 geomagnetic storm conditions back in April.
Thursday, 3 May 2018 - 16:04 UTC
We've been in a very quiet space weather period for a while now but we have finally something interesting to report about! A transequatorial coronal hole is facing our planet today and sending a high speed solar wind stream towards us!
Friday, 20 April 2018 - 13:04 UTC
The anticipated coronal hole solar wind stream has arrived at our planet and packed quite a punch. Active geomagnetic conditions (Kp4) were expected but the solar wind conditions were so impressive it was enough for us to reach the moderate G2 geomagnetic storm threshold which equals a Kp of 6 and some impressive auroral displays around the globe.
Tuesday, 17 April 2018 - 13:57 UTC
Solar activity has been pretty boring lately with no solar flares or sunspot regions really worth mentioning. A tiny region with a reverse magnetic polarity did appear a few days ago which likely belonged to the next solar cycle but it faded away pretty quickly. It is normal for sunspot regions from two solar cycles to overlap around solar minimum but it does show we are closing in on true solar minimum. This combined with the fact that we are hardly seeing any sunspots or flaring activity at the moment means this solar cycle might be a shorter than average cycle.
Friday, 6 April 2018 - 19:07 UTC
A familiar coronal hole has returned! It is a thin east-west aligned northern hemisphere coronal hole close to the solar equator that is facing our planet today.
Thursday, 5 April 2018 - 15:40 UTC
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