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Tropical cyclones normally threaten the states during the summer and fall, with their main impact being rainfall. [3] Although Hurricane Agnes was barely a hurricane at landfall in Florida, its major impact was over the Mid-Atlantic region, where Agnes combined with a non-tropical low to produce widespread rains of 6 inches (150 mm) to 12 inches (300 mm) with local amounts up to 19 inches (480 ...
The main cause of the Year Without a Summer is generally held to be a volcanic winter created by the April 1815 eruption of Mount Tambora on Sumbawa. [ 7 ] [ 8 ] [ 9 ] The eruption had a volcanic explosivity index (VEI) ranking of 7, and ejected at least 37 km 3 (8.9 cu mi) of dense-rock equivalent material into the atmosphere. [ 10 ]
The reddish color of the Sun when it is observed through a thick atmosphere, as during a sunrise or sunset. This is because long-wavelength (red) light is scattered less than blue light. The red light reaches the observer's eye, whereas the blue light is scattered out of the line of sight. Other colours in the sky, such as glowing skies at dusk ...
The annual U.S. winter outlook report predicts La Niña weather patterns throughout the country. Here's what it means for Pennsylvania's winter.
The Farmers' Almanac is predicting this winter will be wet and cold for most locations, but Pennsylvania may be in for more of the white, powdery stuff that kids and skiers crave.
The time of actual sunset is defined in astronomy as two minutes before the upper limb of the Sun disappears below the horizon. [1] Near the horizon, atmospheric refraction causes sunlight rays to be distorted to such an extent that geometrically the solar disk is already about one diameter below the horizon when a sunset is observed.
The New York Thruway, closed in sections for parts of the weekend, was open Monday and had dropped restrictions on commercial vehicles. In Pennsylvania, empty and double trucks were banned on ...
Near the end of the month, another blizzard struck parts of New England, New York, New Jersey, and Pennsylvania. This storm was a complex combination of multiple systems, including an upper air low from the northern Great Plains states, and a surface low from the Gulf Coast states.