End of Noctilucent Cloud Season

I saw on SpaceWeather.com (a site I check daily) that this year’s northern hemisphere noctilucent cloud season is over. There was a somewhat hard to follow, but still interesting, animation of this season’s noctilucent clouds from a satellite view. Centered over the north pole, the extent of the cloud imagery (though not the underlying map) … Read more

Exceptional Winter Sunset

I have the impression that in addition to the timing, the character of sunsets changes throughout the year here in Sitka. Of course seasonal changes have corresponding shifts in prevailing weather patterns. As we watch from town over the months between winter and summer solstices, the changes from mid-afternoon sunsets in the southeast over Sitka … Read more

Sun Pillar

Back in February 2010 I happened to be coming out of UAS at around sunset, so I went over toward the airport to get a better view of it. I was a bit surprised to see a distinct sun pillar – it remains the only one I remember seeing. For some reason it seems they … Read more