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Asperitas (formerly known as Undulatus asperatus) is a cloud formation first popularized and proposed as a type of cloud in 2009 by Gavin Pretor-Pinney of the Cloud Appreciation Society. Added to the International Cloud Atlas as a supplementary feature in March 2017, it is the first cloud formation added since cirrus intortus in 1951. [ 2 ]
Scud clouds are formed when cooler air meets warm, humid air, said Brad Small, a NWS meteorologist. "They're not severely hazardous in any way, shape or form," he said.
The core of the Neal Smith refuge was a 3,600-acre (1,500 ha) block of land originally acquired by Iowa Power and Light) for a nuclear power plant. The U.S. Fish and Wildlife Service acquired this land in 1990. [4] The Fish and Wildlife Service has acquired about 6,000 acres (2,400 ha) more of the allocated 11,865 acres (4,802 ha).
This is a list of mammals of Iowa. The list includes species native to the U.S. state of Iowa and introduced into the state. It also includes mammals currently extirpated in the state.
Lidar-derived image of Marching Bears Mound Group, Effigy Mounds National Monument.. Prehistoric earthworks by mound builder cultures are common in the Midwest.However, mounds in the shape of mammals, birds, or reptiles, known as effigies, apparently were constructed primarily by peoples in what is now known as southern Wisconsin, northeast Iowa, and small parts of Minnesota and Illinois.
Polar stratospheric clouds (PSCs) are clouds in the winter polar stratosphere at altitudes of 15,000–25,000 m (49,000–82,000 ft). They are best observed during civil twilight , when the Sun is between 1 and 6 degrees below the horizon, as well as in winter and in more northerly latitudes. [ 1 ]
Gone was the helicopter, but Donald Trump on Saturday renewed his reputation for defying norms and creating a mega-celebrity's spectacle at the Iowa State Fair. Trump, in fewer than two hours on ...
Altocumulus stratiformis is the most common species of the Altocumulus genus of clouds. [1] They tend to form broad layers of individual, cell-like clumps, often separated from each other, though they sometimes can coagulate into a larger individual cloud. They often have a vertical extent of less than 500 m. [2]