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Optical Effects
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A primary rainbow and a subtle secondary rainbow spotted during a storm near Mercogliano, Italy
Fog over Wendersreuth, Germany
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A colorful sunset over El Dorado Hills, California, US
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Sun Dog (Parhelion) over Avendale, Arizona, US
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Dual lightning strikes near Siler City, North Carolina, US
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Rainbow over Bray (historical), United States
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A view of the sunrise over the Atlantic Ocean, near Boca Raton, Florida, US
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Remnants of contrails that form into high level cirrus clouds via homogenitus, which is when clouds develop as a result of human activity such as from aircraft condensation trails; i.e., contrails. In this instance, it has taken on the look of "feathers" in this view near El Dorado Hills, California, US.
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A variety of cirrus clouds over Oakland, California, US
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The sun makes a cameo appearance through some low level stratus and fog over Reek, Netherlands
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Reflections of cumulus on a walk by the bay, which Monica described being not long after a major downpour, so there was much sogginess and sludge underfoot, but the view made up for it, near Berkeley, California, US.
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Fogbow over Llangorse, Brecon, Wales
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Remnants of a contrail against the clear sky of daylight, versus what could have initially been perceived to be noctilucent, yet the latter is seen within the night sky (Latin for "night-shining"). This view of the sky was spotted over Beijing, China.
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A subtle sun pillar at sunset over Krakow, Poland
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Cumulus congestus that appears to be on the verge of developing into a cumulonimbus, with a classic example of pileus over the top of its formation, spotted near Tuggeranong, Australian Capital Territory, Australia
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Cloudbow over Newlyn, United Kingdom
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