Reader weather photos
Midwest menace: A massive anvil cloud appears above a thunderstorm in August. The photo was taken while en route from New York to Chicago, likely over Ohio.
Golden sunset: The sun sets behind San Francisco’s Golden Gate Bridge in May.
Space shot: Clouds billow above the Earth as seen from about 32,000 feet, while banking above the Houston area in May.
Mammoth storm: Towering storm clouds bring much-needed snow to the Mammoth Mountain Ski Area in California in January.
Southwest strike: Lightning hits a rock formation in the Colorado River canyon area near Moab, Utah, in September.
Grand Canyon snow: Snow from a recent storm coats the ground around the Grand Canyon earlier this year. The photo was taken from about 30,000 feet.
Washington wonder: A pile of lenticular clouds hover in the sky near Mount Rainier in Washington State in 2011. These “lens-shaped” clouds often form downwind of mountains.
Stormy Sierra: This cloud layer over the Sierra Nevada near Auburn, Calif., in February is an example of a new variety of cloud, known as “undulatus asperatus.”
Great balls of fire: Small cirrus clouds catch the fiery rays of the setting sun above Woodland Hills, Calif., in late September.
Western wonder: Clouds gather over Monument Valley, Utah, as a spring storm approaches in 2011.
Rolling thunder: A roll cloud appears in the sky above Magnolia Harbor, Mass., in August, just before a thunderstorm came through. Roll clouds are long, low, tube-shaped clouds that are relatively rare.
Southwest cirrus: Ethereal cirrus clouds dance in the skies above Scottsdale, Ariz., in June. Cirrus are the highest of the primary cloud varieties and are composed entirely of ice crystals.
San Diego sky: A layer of altocumulus clouds cover the sky on a late spring afternoon. Altocumulus are mid-level clouds, which usually form at heights of 6,500 to 20,000 feet above the ground.
UFO over Louisiana? A massive cloud casts a shadow onto a lower cloud layer in June. The cloud could be a developing (or dissapating) anvil cloud from a thunderstorm. The photo was taken over Louisiana from a height of about 30,000 feet.
A thunderstorm moves offshore over the Gulf of Mexico in Destin, Fla., in August 2011.
Lightning crackles over Little Traverse Bay in July. The photo was taken from Petoskey, Mich.
Thunderstorm clouds gather at sunset over Clarks Summit, Pa., in July.
Cotton ball clouds: A layer of altocumulus clouds fills the sky above Reno, Nev., in August.
Isaac sunset over Michigan: Clouds from the remnants of Hurricane Isaac streamed as far north as Michigan on Labor Day weekend.
A massive thunderstorm cloud rolls across New Mexico in May.
A nice weather day to float past the Toledo Harbor Lighthouse!
A September sunset in Lubbock, Texas.
Virga — rain that falls from a cloud but doesn’t reach the ground — appears during a lightning storm near Denver in July.
Dramatic thunderstorm clouds roll in from Lake Superior in Grand Marais, Mich., in July.
Crepuscular rays spread across the morning sky at sunrise in Broken Arrow, Okla., in July. Crepuscular rays are parallel columns of sunlit air that stream through gaps in clouds.
A massive thunderstorm anvil cloud hovers above North Carolina in July. Photo taken while on board an airplane near Raleigh-Durham, N.C.
Orange cloud bands cover the sky at sunset in September in Chipley, Fla., after Hurricane Isaac left the Florida Panhandle.
A funnel cloud spins above Colorado’s Mount Evans in July. The funnel cloud later touched down, allowing it to be called a tornado. At an elevation of 11,900 feet, it was the USA’s 2nd-highest tornado on record.
Rainclouds dump torrential downpours over the Bahamas in August. The photo taken while en route from Port Au Prince, Haiti, to Newark, N.J., at an altitude of 35,000 feet.
Clouds billow above the Red Rocks of Sedona, Ariz., in July.
Dark, puffy cumulus clouds float in front of an orange sky at sunset in Carmel, Calif., in February 2011.
A bright rainbow appears near the Galapagos Islands following a rainshower in April.
The leading edge of a huge thunderstorm rolls over Watertown, S.D., in August.
Dawn breaks over Broad Creek on Hilton Head Island, S.C., in July.
A shaft of rain falls from a cloud above Cibola National Forest, N.M., in July.
Mammatus clouds appear above Wakefield, Mich., following a storm in July. Mammatus are pouch-like clouds and tend to hang underneath larger thunderstorm clouds.
Sunbeams glow just after sunset above Longs Peak northwest of Denver, Colo., in June.
Wildflowers bloom near the snow-capped peaks of Mt. Rainer in Washington State in August.
An unusual summer thunderstorm forms near Laguna Beach, Calif., on Aug. 11, as severe weather hit Orange County in southern California.