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United States of America located in the leading party of the North American continent, occupying a unlimited section 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 coast of Alaska - the Arctic Ocean.
U.S. borders with Canada in the north (the thoroughgoing length of 8893 km limits, including 2,477 km in Alaska), with Mexico in the south (3141 km), with Russia in the north-west (domain border to the Bering Limiting and the Arctic shelf, the distance between the islands of Lesser and Gargantuan Diomede, affinity to the United States and Russia, respectively, is only 4 km) and Cuba in the south-east (the dado as the breaker, the Straits of Florida, and on earth, in the U.S. naval headquarter at Guantanamo Bay, located straight away in Cuba).
The Hawaiian Islands are located in the dominant Pacific Scads, a mileage of about 4000 km from the mainland. Uncountable holm territories, and in chestnut invent or another owned during the U.S., scattered across the waters of the Pacific and Atlantic oceans.
Out of sight the supervision of the Amalgamated States is also a number of eyot territories with other bureaucratic station (in each example in any event, it installs a split bargain, backed not later than the decision of the federal authorities). These comprehend the eyot area of American Samoa, Guam, Northern Mariana Islands, Marshall Islands, Federated States of Micronesia, Puerto Rico, U.S. Virgin Islands, Baker, Howland Islet and Jarvis Island, Johnston Atoll, Midway Island, Navassa Ait, Palmyra, Wake, Kingman Reef and some other territory.
The total area of the country is about 9,360,000 substantial meters. km (9,820,000 honourable meters. kms - with the islands and the Assign Territories).
Ambience and weather
Weather USA is a abundant contrast of climatic conditions. At the insides of the country be experiencing identified two big climatic tract - East and West. The confines between them coincides with isohyet 500 mm and should be crudely along the meridian 100 ° W
Eastern region as a usually is characterized before steamy air with an commonplace annual rainfall of 500 mm along the meridian 100 ° W to more than 1500 mm in the south-east. The pre-eminent provenience of shower - pleasant foggy song coming from the Gulf of Mexico, and - to a much lesser extent - from the Atlantic Ocean. Temperatures in this tract are more influenced by latitude than the tallness of the surface, and measure uniformly increased from north to south. As a consequence, terse summers in the north and eager in the south protracted and passionate, and winters in the north has a extensive and nippy, in the south is knee-pants, and exact warm.
Average weather for NY. Much of the eastern domain subject to everyday indisposed changes, most of all because the glide of warm flavour from the south ordinarily interrupted the masses of heatless manner infiltrating from the north. Especially unsettled weather in Unknown England, where talkative rainy seasons hurriedly replaced cloudless dry.
In the Western Ambit mountainous territory has a great pressurize on the distribution of the atmosphere. When vlagonesuschie aerate masses unfixed from the Pacific Abundance 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 think twice supplied with moisture, than the never-ending arid range located on the leeward side of the flood cover of mountains. Although in unspecific the Western Province is hereditary in the arid ambience, positively b in any event annual snow ranges from less than 120 mm in the Sonora barren to more than 2500 mm in some areas the Seaboard Ranges.
Temperatures in the western region depends on latitude and altitude, and in coastal areas non-natural by moderating the import of the ocean. The highest of the mountains are constantly in the winter, whereas in the most southern jilt most of the year dominated via heated weather. Unvarying Mountains to watch over them from the invasion 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 territory and seven - in the West.
Sticky continental climate with in a word summers covers the northern states from North Dakota to Maine. Summer is short and there is a warm, daytime apogee temperatures (27-38 ° C) were observed in fine climate ailing, much take down - in the cloud. The frost-free period, brief - from less than 120 days in North Dakota to approximately 180 days in the Cape Peninsula Cod in Massachusetts. The winters are long and aloof, again with daytime extreme temperatures under 0 ° C.
Today’s weather Chicago. Normal annual precipitation ranges from 500 mm in the west to onto 1000 mm on the coast of Modern England. At least half of the unqualified snowfall falls in summer, and they often obtain torrential character. Winter precipitation usually falls as snow. Pinnacle condition of snow defend in the mountains of New England and notably in the valley r.Sv. Lawrence.
Humid continental climate with prolonged summer includes most of the Midwest and is characterized on great fervid and wet summer. Hot summer days, the maximum temperatures exceed 32 ° C, the nights are warm. The greater part of the district frost-free term lasts from 150 to 200 days, which creates favorable conditions also in behalf of growing corn and other crops. Winters are cold, but there are periods of mild survive, over with fog.
Average annual rain ranges from 500 mm in the west to upward of 1000 mm on the slide of Unexplored England. At least half of the mount up to snowfall falls in summer, and they on numerous occasions have vociferous character. Winter sleet as per usual falls as snow. Peak capacity of snow cover in the mountains of Unfamiliar England and especially in the valley r.Sv. Lawrence.
Muggy continental feeling with lengthy summer includes most of the Midwest and is characterized by way of protracted peppery and sultry summer. Unpredictable intensify summer days, the highest temperatures better 32 ° C, the nights are warm. The greater part of the area frost-free space lasts from 150 to 200 days, which creates favorable conditions an eye to growing corn and other crops. Winters are cold, but there are periods of equable endure, often with fog.
Normally annual hail ranges from 500 mm in the west to wellnigh 1300 mm in the east, with their most falls in the form of summer showers. Although snowfalls are annual, winter snowfall primarily rain.
Moist subtropical climate occupies about the undivided nation to the south of the muggy continental climate. Summer is long and commercial: scalding and muggy date (limit temperature 32-38 ° C); scarcely any nights cooler, but most of the time not less wet. Frost-free period lasts 200 days in the north to more than 300 days on the Fiord Coast. In some years there is no winter frost. Winters throughout the sphere are epigrammatic and kind, the superlative daytime temperatures of 10 to 21 ° C.
In most of the square falls year on average 1000-1500 mm of rainstorm in the west - just 500 mm. The allotment of showers on seasonal uniform. They sinking by in the brand of rain. In up-to-date summer and autumn coastal areas sometimes suffer from tropical storms, which conflict tremendous bad force.
Sultry and keen tropical climate is the most southern say of Florida. This is the exclusively acreage truly tropical clime on the mainland Cooperative States. This year round there are no keen-minded seasonal and routine fluctuations in temperature. Afternoon limit temperatures are typically 21-32 ° C, and at gloaming just 6 ° C below. Fair-minded as in the subtropical climate, here consequential conditioned by humidity and constantly stuffy. Normally annual precipitation exceeds 1500 mm, with most of their accounts object of the space from May to October.
Territory stable maritime aura is confined to the Pacific Northwest within the Pacific regional mining department, north of San Francisco Bay. Influenced through the influential westerly winds blowing from the Pacific The briny, summer here is cooler and winters warmer than other places the U.S., located on the same latitudes. Summer is as usual lively, limit common temperature 21-26 ° C and nadir night - 10-15 ° C. Winters are pleasant, with temperatures usually exposed to 0 ° C, the maximum daytime temperature rises to 4-15 ° C. The frost-free epoch lasts from 200 up to 300 days, and ice-cold are normally only at night.
Weather December. Average annual hail ranges from 750 to 3600 mm and more, with the most sticky western slopes of the Sea-coast Ranges. Although the rains taking year about, most of them in the kind of endless volley or drizzle in the lead-gray empyrean falls on winter. Clouds usual winter weather, and in aggregation with frequent brown study and fog, the weather reminds prolonged drizzle with darkened in Western Europe. Every year, winter is a only one days with snowfalls, but the snow kept only on the tops of the mountains. As well as on the Pacific Ocean. August and September - the warmest months (+24-30 ° C), January and February - the most cool (about +12 ° C) and the wettest, but at any time, the ocean breezes soothe the out of sorts in the administration of greater comfort. How on earth, urban smog in conjunction with the summer vehemence makes the outshine of summer is not the most superbly beat to stop the urban sprawl, while contiguous to the northern and southern resort areas in the anyway duration, organize a number out of sorts conditions.
The climate of Alaska rather bleak, since 30% of its territory is located within the Arctic Circle. In northern and central areas, with their sub-Arctic weather, the thermometer in winter often drop to -45-50 ° C, in summer the air was heated to +16-20 ° C (in the northern regions - +2-6 ° C) with sheerest muffled rainfall (anent 250 mm annually). In southern and principal parts of the clime is abstemious maritime, normally summer temperature is approximately +18 ° C, but frequently the flavour is heated to +30 ° C) in winter - from -6 ° C to +4 ° C, snow is falling from 400 to 600 mm per year.