[Part 4 of 6] After photographically masquerading as a tornado, a morning blue-hour shelf cloud zoomed past, casting a strong shadow in the dim early light, twilight exaggerating the difference in brightness across its edge. Though seldom seen because I’m usually asleep or at work at this hour, morning pre-sunrise arcus formations can produce one of my very favorite lighting effects in all the sky, after moving overhead: an ominous, deep darkness, framing “normal” light beyond the inner rim. They also can offer interesting features in the underbelly… [Go to Part 5]
Norman OK (30 Jul 20) Looking SShelfie Six Pack: The Shadow
[Part 4 of 6] After photographically masquerading as a tornado, a morning blue-hour shelf cloud zoomed past, casting a strong shadow in the dim early light, twilight exaggerating the difference in brightness across its edge. Though seldom seen because I’m usually asleep or at work at this hour, morning pre-sunrise arcus formations can produce one of my very favorite lighting effects in all the sky, after moving overhead: an ominous, deep darkness, framing “normal” light beyond the inner rim. They also can offer interesting features in the underbelly… [Go to Part 5]
Norman OK (30 Jul 20) Looking S