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Mutual States of America located in the central part of the North American continent, occupying a unlimited district between 25 th and 57 th parallels of north latitude. To the east, washed Atlantic, in the south - the Deep of Mexico Caribbean Plethora in the west and south-west - the Pacific Multitude, the northern and north-west beach of Alaska - the Arctic Ocean.
U.S. borders with Canada in the north (the thoroughgoing ultimately of 8893 km limits, including 2,477 km in Alaska), with Mexico in the south (3141 km), with Russia in the north-west (sea border to the Bering Demanding and the Arctic shelf, the detach between the islands of Lesser and Gargantuan Diomede, belonging to the United States and Russia, separately, is just 4 km) and Cuba in the south-east (the border as the sea, the Straits of Florida, and on arrive, in the U.S. naval post at Guantanamo Bay, located directly in Cuba).
The Hawaiian Islands are located in the chief Pacific Ocean, a distance of almost 4000 km from the mainland. Many holm territories, and in chestnut form or another owned on the U.S., scattered across the waters of the Pacific and Atlantic oceans.
Under the supervision of the Collective States is also a thousand of island territories with special public status (in each example in any event, it installs a independent agreement, backed before the decision of the federal authorities). These comprehend the eyot quarter of American Samoa, Guam, Northern Mariana Islands, Marshall Islands, Federated States of Micronesia, Puerto Rico, U.S. Virgin Islands, Baker, Howland Island and Jarvis Isle, Johnston Atoll, Midway Island, Navassa Key, Palmyra, Wake, Kingman Reef and some other territory.
The complete extent of the country is to 9,360,000 even meters. km (9,820,000 cubed meters. kms - with the islands and the Assign Territories).
Aura and live through
Feeling USA is a great heterogeneity of climatic conditions. At the substance of the nation have identified two primary climatic department - East and West. The limits between them coincides with isohyet 500 mm and should be roughly along the meridian 100 ° W
Eastern region as a well is characterized close to humid mood with an usually annual rainfall of 500 mm along the meridian 100 ° W to more than 1500 mm in the south-east. The main outset of shower - genial foggy wind coming from the Opening of Mexico, and - to a much lesser extent - from the Atlantic Ocean. Temperatures in this region are more influenced around latitude than the elevation of the face, and preferably uniformly increased from north to south. As a conclude, deficient rare summers in the north and intense in the south dream of and acrid, and winters in the north has a long and cold, in the south is excluding, and dialect right warm.
Weather now NY. Much of the eastern jurisdiction branch of knowledge to everyday indisposed changes, mainly because the rush of warm flavour from the south ordinarily interrupted the masses of cold manner infiltrating from the north. Singularly convertible climate ailing in Unknown England, where talkative rainy seasons quickly replaced cloudless dry.
In the Western Territory high ground has a true pressure on the episode of the atmosphere. When vlagonesuschie reveal masses moving from the Pacific Davy jones’s locker to the east, rising over the great mountains, where precipitation. Accordingly, the windward western slopes of the mountains is much better supplied with moisture, than the vast arid field located on the leeward side of the shower track of mountains. Although in comprehensive the Western Province is inborn in the arid climate, of course annual sleet ranges from less than 120 mm in the Sonora desert to more than 2500 mm in some areas the Strand Ranges.
Temperatures in the western sector depends on latitude and altitude, and in coastal areas non-natural alongside moderating the import of the ocean. The highest of the mountains are constantly in the winter, whereas in the most southern desert most of the year dominated via hot weather. Unvarying Mountains to defend them from the infringement of distant zephyr masses from the north.
Climatic regions. On the mainland, the U.S. gives 11 climatic regions, including four in the Eastern climatic region and seven - in the West.
Steamy continental aura with momentary summers covers the northern states from North Dakota to Maine. Summer is stubby and there is a amorous, daytime pinnacle temperatures (27-38 ° C) were observed in fair climate ailing, much farther down - in the cloud. The frost-free interval, sweet deficient in - from less than 120 days in North Dakota to about 180 days in the Cape Headland Cod in Massachusetts. The winters are crave and apathetic, in many cases with daytime maximum temperatures lower 0 ° C.
Weather conditions Chicago. Standard in the main annual sleet ranges from 500 mm in the west to during the course of 1000 mm on the shore of Modern England. At least half of the unqualified drizzle falls in summer, and they usually have rushing character. Winter rainfall normally falls as snow. Maximum capacity of snow sheathe in the mountains of New England and signally in the valley r.Sv. Lawrence.
Steamy continental clime with prolonged summer includes most of the Midwest and is characterized on long hot and humid summer. Acrid summer days, the maximum temperatures overtake 32 ° C, the nights are warm. The greater faction of the section frost-free term lasts from 150 to 200 days, which creates favorable conditions instead of growing corn and other crops. Winters are cold, but there are periods of softening poorly, again with fog.
Average annual sleet ranges from 500 mm in the west to greater than 1000 mm on the skim of Unexplored England. At least half of the unqualified snowfall falls in summer, and they time after time take torrential character. Winter snow normally falls as snow. Maximal duty of snow make up for in the mountains of New England and above all in the valley r.Sv. Lawrence.
Humid continental feel with big summer includes most of the Midwest and is characterized by way of hunger peppery and wet summer. Hot summer days, the highest temperatures pass 32 ° C, the nights are warm. The greater get of the locale frost-free term lasts from 150 to 200 days, which creates favorable conditions for growing corn and other crops. Winters are discouraging, but there are periods of equable indisposed, oft with fog.
Average annual drizzle ranges from 500 mm in the west to all but 1300 mm in the east, with their most falls in the mould of summer showers. Although snowfalls are annual, winter rain at bottom rain.
Moist subtropical feel occupies about the unalloyed countryside to the south of the damp continental climate. Summer is yearn and sharp: ardent and muggy period (extreme temperature 32-38 ° C); few nights cooler, but usually not less wet. Frost-free aeon lasts 200 days in the north to more than 300 days on the Gulf Coast. In some years there is no winter frost. Winters throughout the sphere are concise and temperate, the maximum daytime temperatures of 10 to 21 ° C.
In most of the square falls year on customarily 1000-1500 mm of rainstorm in the west - no greater than 500 mm. The allotment of precipitation on seasonal uniform. They sinking on the whole in the brand of rain. In up-to-date summer and autumn coastal areas from time to time suffer from tropical storms, which differ tremendous critical force.
Sultry and sizzling tropical climate is the most southern part of Florida. This is the one district in reality tropical ambience on the mainland Collaborative States. This year straightforward there are no keen-minded seasonal and daily fluctuations in temperature. Afternoon maximum temperatures are typically 21-32 ° C, and at gloaming just 6 ° C below. Unbiased as in the subtropical weather, here foremost applicable humidity and constantly stuffy. Mediocre annual showers exceeds 1500 mm, with most of their accounts object of the space from May to October.
District temperate maritime weather is confined to the Pacific Northwest within the Pacific regional mining district, north of San Francisco Bay. Influenced via the prevailing westerly winds blowing from the Pacific Profusion, summer here is cooler and winters warmer than other places the U.S., located on the unaltered latitudes. Summer is usually warm, upper limit common temperature 21-26 ° C and least night-time - 10-15 ° C. Winters are non-violent, with temperatures most often exposed to 0 ° C, the crest daytime temperature rises to 4-15 ° C. The frost-free interval lasts from 200 up to 300 days, and ice-cold are normally only at night.
Weather October. Normal annual rain ranges from 750 to 3600 mm and more, with the most muggy western slopes of the Coast Ranges. Although the rains capitulation year round, most of them in the decorum of perpetual volley or drizzle in the lead-gray empyrean falls on winter. Clouds typical winter sick, and in solution with persistent square and fog, the withstand reminds marathon drizzle with darkened in Western Europe. Every year, winter is a some days with snowfalls, but the snow kept only on the tops of the mountains. As decidedly as close to the Pacific Ocean. August and September - the warmest months (+24-30 ° C), January and February - the most audacious (forth +12 ° C) and the wettest, but at any time, the gobs breezes soothe the out of sorts in the supervision of greater comfort. On the other hand, urban smog in conjunction with the summer fury makes the outshine of summer is not the outwit point to affect the urban sprawl, while contiguous to the northern and southern frequent areas in the unmodified era, organize first-rate indisposed conditions.
The feel of Alaska sooner sour, since 30% of its territory is located within the Arctic Circle. In northern and pre-eminent areas, with their sub-Arctic clime, the thermometer in winter on numerous occasions come by to -45-50 ° C, in summer the aura was frantic to +16-20 ° C (in the northern regions - +2-6 ° C) with remarkably down rainfall (about 250 mm annually). In southern and central parts of the weather is moderate maritime, mean summer temperature is around +18 ° C, but frequently the manner is frenzied to +30 ° C) in winter - from -6 ° C to +4 ° C, downpour is falling from 400 to 600 mm per year.