to fall below freezing
71Cold wave — For the musical genre, see Coldwave. Part of the Nature series on Weather   Calendar seasons Spring  …
72Russia — /rush euh/, n. 1. Also called Russian Empire. Russian, Rossiya. a former empire in E Europe and N and W Asia: overthrown by the Russian Revolution 1917. Cap.: St. Petersburg (1703 1917). 2. See Union of Soviet Socialist Republics. 3. See Russian… …
73Storm — Windstorm redirects here. For the type of storm in Europe, see European windstorm. For the Gloria Jones album, see Windstorm (album). For other uses, see Storm (disambiguation). A shelf cloud associated with a heavy or severe thunderstorm over… …
74weather modification — Deliberate or inadvertent alteration of atmospheric conditions by human activity, sufficient to modify the weather on a local or regional scale. Deliberate alterations include covering plants to keep them warm at night, seeding clouds to induce… …
75frostbite — /frawst buyt , frost /, n., v., frostbit, frostbitten, frostbiting. n. 1. injury to any part of the body after excessive exposure to extreme cold, sometimes progressing from initial redness and tingling to gangrene. v.t. 2. to injure by frost or… …
76Antarctica — /ant ahrk ti keuh, ahr ti /, n. the continent surrounding the South Pole: almost entirely covered by an ice sheet. ab. 5,000,000 sq. mi. (12,950,000 sq. km). Also called Antarctic Continent. * * * Antarctica Introduction Antarctica Background:… …
77glacial landform — ▪ geology Introduction any product of flowing ice and meltwater. Such landforms are being produced today in glaciated areas, such as Greenland, Antarctica, and many of the world s higher mountain ranges. In addition, large expansions of present… …
78Alpine skiing — Alpine ski slope Highest governing body International Ski Federation Nickname(s) Downhill Sliding First played 1861, Kiandra, Aus …
79Raleigh, North Carolina — For other uses of this name, see Raleigh. Raleigh   State Capital   City of Raleigh …
80Automated airport weather station — Automated airport weather stations are automated sensor suites which are designed to serve aviation and meteorological observing needs for safe and efficient aviation operations and weather forecasting. Automated airport weather stations have… …
