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An intricate web of undulatus, accompanied by signs of lacunosus, spotted over Lake Stevens, Washington, US
Remnants of what appears to be a form of lacunosus, spotted over Highlands, North Carolina, US
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A unique juxtaposition of lacunosus with a vivid display of the Northern Lights (Aurora Borealis), spotted over Southern Alberta, Canada
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Cirrocumulus with signs of lacunosus spotted over Bethany, Oklahoma City, Oklahoma, US
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Signs of lacunosus spotted over Twisp, Washington, US
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Signs of lacunosus that reminded Sabine of SpongeBob SquarePants, spotted over Arnhem, The Netherlands
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Asperitas and lacunosus spotted following a morning thunderstorm over El Paso, Texas, US
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Altocumulus with signs of larger scale lacunosus, spotted over Lancaster, Pennsylvania, US
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Lacunosus spotted over Hennef, Germany
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Altocumulus with subtle signs of lacunosus, spotted at sunset near Murrieta, California, US
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Signs of lacunosus at night, spotted over West Jordan, Utah, US
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Lacunosus, a short-lived formation, spotted over Island Beach State Park, New Jersey, US
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Signs of lacunosus on the underside of the leading edge of a cumulonimbus, spotted over Erm, The Netherlands
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Signs of asperitas and lacunosus spotted near Nash, North Bucks, England
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Lacunosus spotted over North Devon, England
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A well-defined arcus marks the leading edge of this storm system, which is accompanied by asperitas and signs of lacunosus, near Fort Wayne, Indiana, US
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