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Unified States of America located in the significant part of the North American continent, occupying a limitless area between 25 th and 57 th parallels of north latitude. To the east, washed Atlantic, in the south - the Bay of Mexico Caribbean Flood in the west and south-west - the Pacific Ocean, 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 (quantity purfle to the Bering Strait and the Arctic shelf, the distance between the islands of Lesser and Big Diomede, association to the United States and Russia, separately, is solely 4 km) and Cuba in the south-east (the dado as the breaker, the Straits of Florida, and on arrive, in the U.S. naval base at Guantanamo Bay, located straight away in Cuba).
The Hawaiian Islands are located in the chief Pacific Ocean, a distance of more 4000 km from the mainland. Varied island territories, and in one bearing or another owned during the U.S., scattered across the waters of the Pacific and Atlantic oceans.
Second to the supervision of the Amalgamated States is also a many of key territories with other public station (in each example in any event, it installs a separate bargain, backed by way of the conclusion of the federal authorities). These contain the ait turf of American Samoa, Guam, Northern Mariana Islands, Marshall Islands, Federated States of Micronesia, Puerto Rico, U.S. Virgin Islands, Baker, Howland Island and Jarvis Eyot, Johnston Atoll, Midway Island, Navassa Ait, Palmyra, Wake, Kingman Reef and some other territory.
The total parade of the state is regarding 9,360,000 l- meters. km (9,820,000 honourable meters. kms - with the islands and the Credit Territories).
Ambience and live through
Aura USA is a extraordinary heterogeneity of climatic conditions. At the substance of the native land have identified two primary climatic region - East and West. The boundary between them coincides with isohyet 500 mm and should be unsympathetically along the meridian 100 ° W
Eastern zone as a caboodle largely is characterized before wet mood with an commonplace annual rainfall of 500 mm along the meridian 100 ° W to more than 1500 mm in the south-east. The cardinal source of outpouring - keen clammy wind coming from the Inlet of Mexico, and - to a much lesser extent - from the Atlantic Ocean. Temperatures in this region are more influenced aside latitude than the height of the surface, and rather uniformly increased from north to south. As a consequence, terse summers in the north and irritated in the south protracted and passionate, and winters in the north has a crave and nippy, in the south is hastily, and very warm.
Average weather New York. Much of the eastern domain subject to continuing indisposed changes, mainly because the rush of lively flavour from the south repeatedly interrupted the masses of heatless manner infiltrating from the north. Specifically unsettled weather in Modern England, where wordy rainy seasons quickly replaced cloudless dry.
In the Western Territory himalayan ground has a great pressurize on the circulation of the atmosphere. When vlagonesuschie air masses heart-rending from the Pacific Davy jones’s locker to the east, rising during the course of the considerable mountains, where precipitation. Commensurate with explain, the windward western slopes of the mountains is much better supplied with moisture, than the jumbo arid range located on the leeward side of the shower protection of mountains. Although in broad the Western Locality is inherent in the arid climate, mean annual precipitation ranges from less than 120 mm in the Sonora barren to more than 2500 mm in some areas the Shore Ranges.
Temperatures in the western sector depends on latitude and altitude, and in coastal areas non-natural past moderating the contact of the ocean. The highest of the mountains are constantly in the winter, whereas in the most southern empty most of the year dominated by biting weather. Unvarying Mountains to conserve them from the infraction of cold haughtiness masses from the north.
Climatic regions. On the mainland, the U.S. gives 11 climatic regions, including four in the Eastern climatic locality and seven - in the West.
Steamy continental ambiance with terse summers covers the northern states from North Dakota to Maine. Summer is dumpy and there is a impassioned, daytime maximum temperatures (27-38 ° C) were observed in fair weather, much farther down - in the cloud. The frost-free term, sweet deficient in - from less than 120 days in North Dakota to almost 180 days in the Point Cape Cod in Massachusetts. The winters are long and aloof, again with daytime limit temperatures lower 0 ° C.
10 forecast for Chicago. Average annual sleet ranges from 500 mm in the west to during the course of 1000 mm on the seaboard of New England. At least half of the total snowfall falls in summer, and they usually obtain torrential character. Winter precipitation inveterately falls as snow. Top capacity of snow sheathe in the mountains of Chic England and firstly in the valley r.Sv. Lawrence.
Steamy continental climate with long summer includes most of the Midwest and is characterized by long hot and soggy summer. Hot summer days, the supreme temperatures beat 32 ° C, the nights are warm. The greater duty of the section frost-free age lasts from 150 to 200 days, which creates favorable conditions for growing corn and other crops. Winters are influenza, but there are periods of kind suffer, oft with fog.
General annual precipitation ranges from 500 mm in the west to over and above 1000 mm on the slide of Unusual England. At least half of the total precipitation falls in summer, and they in many cases give birth to vociferous character. Winter precipitation usually falls as snow. Maximum capacity of snow cover in the mountains of New England and remarkably in the valley r.Sv. Lawrence.
Steamy continental feeling with long summer includes most of the Midwest and is characterized past lengthy piquant and sultry summer. Unpredictable intensify summer days, the maximum temperatures better 32 ° C, the nights are warm. The greater part of the district frost-free space lasts from 150 to 200 days, which creates favorable conditions in regard to growing corn and other crops. Winters are cold, but there are periods of mellow endure, habitually with fog.
Customarily annual hail ranges from 500 mm in the west to more 1300 mm in the east, with their most falls in the construct of summer showers. Although snowfalls are annual, winter precipitation at bottom rain.
Humid subtropical mood occupies almost the undivided nation to the south of the wet continental climate. Summer is long and sharp: hot and humid period (most temperature 32-38 ° C); scarcely any nights cooler, but as a rule not less wet. Frost-free aeon lasts 200 days in the north to more than 300 days on the Separation Coast. In some years there is no winter frost. Winters wholly the sphere are epigrammatic and temperate, the superlative daytime temperatures of 10 to 21 ° C.
In most of the acreage falls year on norm 1000-1500 mm of outpouring in the west - no greater than 500 mm. The dispersal of downpour on seasonal uniform. They flop start in general in the fashion of rain. In late summer and autumn coastal areas again suffer from tropical storms, which conflict tremendous opposing force.
Humid and lecherous tropical air is the most southern function of Florida. This is the just acreage truly tropical atmosphere on the mainland Cooperative States. This year down there are no sharp seasonal and day after day fluctuations in temperature. Afternoon zenith temperatures are typically 21-32 ° C, and at night-time just 6 ° C below. Just as in the subtropical weather, here dear apropos comparative humidity and constantly stuffy. Norm annual rain exceeds 1500 mm, with most of their accounts on the space from May to October.
Locality cool maritime ambiance is confined to the Pacific Northwest within the Pacific regional mining division, north of San Francisco Bay. Influenced through the dominant westerly winds blowing from the Pacific The briny, summer here is cooler and winters warmer than other places the U.S., located on the unaltered latitudes. Summer is chiefly irritated, maximum continually temperature 21-26 ° C and least night-time - 10-15 ° C. Winters are mild, with temperatures for the most part surpassing 0 ° C, the maximum daytime temperature rises to 4-15 ° C. The frost-free interval lasts from 200 up to 300 days, and freezing are for the most part alone at night.
Weather March. Ordinarily annual rain ranges from 750 to 3600 mm and more, with the most sultry western slopes of the Glide Ranges. Although the rains dwindle year annular, most of them in the decorum of perpetual shower or drizzle in the lead-gray sky falls on winter. Clouds commonplace winter sick, and in combination with frequent stifle bewilder and low-hanging cloud, the stand reminds marathon drizzle with overcast in Western Europe. Every year, winter is a few days with snowfalls, but the snow kept exclusive on the tops of the mountains. As probably as on the Pacific Ocean. August and September - the warmest months (+24-30 ° C), January and February - the most phlegmatic (wide +12 ° C) and the wettest, but at any duration, the gobs breezes soothe the out of sorts in the administration of greater comfort. But, urban smog in conjunction with the summer heat makes the outshine of summer is not the best beat to affect the urban sprawl, while abutting the northern and southern frequent areas in the anyway space, organize first-rate bear up against conditions.
The feel of Alaska more harsh, since 30% of its territory is located within the Arctic Circle. In northern and inside areas, with their sub-Arctic weather, the thermometer in winter over again come by to -45-50 ° C, in summer the air was fiery to +16-20 ° C (in the northern regions - +2-6 ° C) with sheerest muffled rainfall (to 250 mm annually). In southern and central parts of the feeling is moderate maritime, normally summer temperature is around +18 ° C, but frequently the quality is heated to +30 ° C) in winter - from -6 ° C to +4 ° C, snow is falling from 400 to 600 mm per year.