Heat Wave Expands to the East Coast; Flash Flooding Likely in the Central Plains into the Midwest; Severe Thunderstorms in the Northeast

Dangerous, prolonged heat is ongoing in the Mid-South to Mid-Mississippi Valley and heat expands into the Northeast for a brief period today. Widely scattered instances of flash flooding due to heavy rains are forecast from northeast Kansas to much of Indiana. Scattered strong to severe thunderstorms are possible across parts of New England, northern Mid-Atlantic, and North Dakota. Read More >

During the morning of March 12, 2008, an optical phenomena was visible in the eastern sky from Spokane, a parhelion, more commonly known as a sundog. These typically (but not always) for near sunrise and sunset when the sun is low in the sky and the atmosphere is filled with ice crystals, typically from cirrus clouds. Unlike rainbows, which appear in the sky opposite the sun, sundogs appear to the left and right of the sun. The sun's rays are reflected or refracted as they pass through the ice crystals, forming the sundogs.

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Heat Wave Expands to the East Coast; Flash Flooding Likely in the Central Plains into the Midwest; Severe Thunderstorms in the Northeast

Sundogs on March 12, 2008