Category Archives: weather

Larch

Posted on October 25, 2018 by Alistair

  When I was a child, I was told of two kinds of trees: deciduous and conifer. This distinction seemed odd, for these are not matching classifications: deciduous refers to a seasonal shedding of leaves; conifer to a reproductive structure. … Continue reading →

Posted in scenes, weather | 2 Comments

Underwater spring

Posted on October 22, 2018 by Alistair

  Video: It is rare that I think that a posting would have been improved by the inclusion of a video clip. I am usually more concerned with stopping motion than showing it. However today, a movie  clip would have … Continue reading →

Posted in commentary, scenes, weather | 1 Comment

Western sky

Posted on October 21, 2018 by Alistair

  The western sky is associated with sunsets — also grand haloes.  This evening’s sky had a group of haloes. They were not the best I had seen, but they were eminently satisfactory. There was a modest 22° halo, an … Continue reading →

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Holes in a cloud

Posted on October 20, 2018 by Alistair

  A week ago, I showed iridescence in a lenticular cloud (colours in a wave cloud). Here is another uncommon feature of such clouds: lacunosus, that is, the cloud is potmarked with holes. (Lacunosus is Latin for: full of lacunae, … Continue reading →

Posted in weather | 3 Comments

Cloud colours

Posted on October 12, 2018 by Alistair

  The spectacular colours of fall are naturally associated with deciduous trees. Yet, these are not the only delightful variegation to be seen. Iridescent clouds are often visible in this season. The colours in iridescent clouds arise from the interference … Continue reading →

Posted in weather | 7 Comments

Waltz of wind, water, & waves

Posted on September 20, 2018 by Alistair

  As the sun rose yesterday, a neat choreography of a katabatic wind created ephemeral sprites of steam fog, and abruptly ruffled calm waters farther offshore. In fifteen minutes, it was all over. Katabatic wind The night had been clear, … Continue reading →

Posted in weather | 5 Comments

Perplexing sky

Posted on September 2, 2018 by Alistair

  Down here on the surface of the earth, we are used to judging distance with the help of contrast: distant objects have a lower contrast than those in the foreground. This insight works for solid objects with sharp boundaries. … Continue reading →

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Dew, not dew

Posted on June 26, 2018 by Alistair

  The web of an orb-weaving spider covered in matutinal drops of water is undoubtedly beautiful. But, is the web really covered in dew — as is claimed by a myriad of photo sites? Alas, this is something for which … Continue reading →

Posted in bugs, weather, wildflowers | 7 Comments

Kokanee Creek mouth

Posted on May 28, 2018 by Alistair

  At 534.06 metres, the Lake is still a half metre below the peak flood level of 2012. However, it has been enough to flood some trails in the low parts of Kokanee Creek Park. The Lake is expected to … Continue reading →

Posted in weather | 3 Comments

Smoking mountain

Posted on April 21, 2018 by Alistair

  A smoking mountain might seem an odd topic during a wet spring. However, the title does not refer to a wildfire, but to the name of a weather phenomenon. Sometimes a cloud streaming off the lee of a mountain … Continue reading →

Posted in weather | 4 Comments