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In Photos: Crazy Cloud Patterns

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Cloud Shapes Over Ocean

Emissions from volcano creates shapes in clouds over ocean

(Image credit: NASA)

A volcano in the South Sandwich islands creates a pattern in the clouds over the Southern Ocean in this photo taken by NASA's Aqua satellite on April 27, 2012.

Australian cloud hole

Australian cloud hole

(Image credit: NASA)

A high pressure system created this enormous cloud hole photographed off Australia on June 5, 2012.

Wave Clouds

Wave clouds were photographed over the southern Indian Ocean island of

(Image credit: NASA)

Wave clouds were photographed over the southern Indian Ocean island of

clouds-streets-greenland

The Moderate Resolution Imaging Spectroradiometer (MODIS) aboard NASA

(Image credit: NASA/GSFC/Jeff Schmaltz/MODIS Land Rapid Response Team)

NASA's Aqua satellite snapped this stunning image of cloud streetsaround Greenland's southern tip on March 6. Cloud streets are bands of cumulus clouds that form parallel to the low-level wind direction when conditions are right.

Lenticular Cloud

(Image credit: Richard H. Hahn)

Richard H. Hahn snapped this stunning picture of a lenticular cloud over Rocky Mountain National Park just after sunset on Jan. 5, 2012.

Wave Clouds

(Image credit: NASA.)

Distinctive lines of clouds stretch out from the shore of the Aral Sea in this photo-like image captured by the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA's Aqua satellite on March 12, 2009. While wave clouds like this are not unusual, this particular pattern over the Aral Sea is highly unusual. The clouds conform exactly to the shape of the western shore.

Swirling clouds

Swirling clouds von Karman vortex

(Image credit: USGS EROS Data Center)

Each of the swirling clouds in this image acquired by Landsat 7's Enhanced Thematic Mapper plus (ETM+) sensor on Sept. 15, 1999, is the result of a meteorological phenomenon known as a von Karman vortex. As wind-driven clouds encounter the peak of an island, they flow around it to form large, spinning eddies.

Roll Clouds

roll-clouds-110428

(Image credit: NASA Earth Observatory.)

This formation, photographed by a NASA satellite on Aug. 27, 2011, is called an undular bore, or gravity wave train, and it appears as rarely as once a month. An undular bore is a disturbance in the Earth's atmosphere that can be seen as clouds move in waves. They normally occur within an area of the atmosphere that is stable in the low levels after a cold front moves through.

Honeycomb Cloud

honeycomb-cloud-100811-02

(Image credit: Jeff Schmaltz, NAS)

Marine stratocumulus clouds have open cells (sky in the middle) and closed cells (cloudy in the middle).

Cloud Hole

cloud-hole-100614-02

(Image credit: Alan Sealls, chief meteorologist, WKRG-TV)

An example of a hole-punch cloud created as a jet airplane or turboprop plane flew through a cloudy layer and caused precipitation to fall out.

Mammatus Clouds

mammatus-clouds-02

(Image credit: NOAA Photo Library, NOAA Central Library; OAR/ERL/National Severe Storms Laboratory (NSSL))

Mammatus clouds seen over Tulsa, Okla. These clouds are formed by sinking air and are sometimes seen after a potent thunderstorm; they signal that a storm is retreating.

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Live Science Staff
Live Science Staff
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