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Of like mind States of America located in the prime party 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 Gulf of Mexico Caribbean Sea 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 tot up to the fullest extent a finally of 8893 km borders, including 2,477 km in Alaska), with Mexico in the south (3141 km), with Russia in the north-west (domain purfle to the Bering Demanding and the Arctic shelf, the reserve between the islands of Lesser and Big Diomede, association to the Joint States and Russia, separately, is only 4 km) and Cuba in the south-east (the resemble closely as the sea, the Straits of Florida, and on earth, in the U.S. naval anchor at Guantanamo Bay, located directly in Cuba).
The Hawaiian Islands are located in the chief Pacific Scads, a haughtiness of more 4000 km from the mainland. Assorted cay territories, and in one make or another owned during the U.S., scattered across the waters of the Pacific and Atlantic oceans.
Second to the supervision of the Synergetic States is also a number of island territories with distinguishable public status (in each case, it installs a independent pact, backed by the firmness of the federal authorities). These comprehend the island territory of American Samoa, Guam, Northern Mariana Islands, Marshall Islands, Federated States of Micronesia, Puerto Rico, U.S. Virgin Islands, Baker, Howland Islet and Jarvis Isle, Johnston Atoll, Midway Atoll, Navassa Key, Palmyra, Wake, Kingman Reef and some other territory.
The gross extent of the state is about 9,360,000 l- meters. km (9,820,000 cubed meters. kms - with the islands and the Assign Territories).
Climate and survive
Aura USA is a extraordinary heterogeneity of climatic conditions. At the core of the nation be experiencing identified two major climatic region - East and West. The bounds between them coincides with isohyet 500 mm and should be clumsily along the meridian 100 ° W
Eastern sector as a whole is characterized during humid climate with an as a rule annual rainfall of 500 mm along the meridian 100 ° W to more than 1500 mm in the south-east. The cardinal outset of rain - 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 beside latitude than the pinnacle of the exterior, and measure uniformly increased from north to south. As a consequence, short summers in the north and warm in the south protracted and passionate, and winters in the north has a long and nippy, in the south is knee-pants, and very warm.
Temperature New York. Much of the eastern section source to frequent suffer changes, mainly because the flow of warm air from the south often interrupted the masses of hyperborean manner infiltrating from the north. Especially convertible sickly in Modern England, where wordy rainy seasons despatch replaced cloudless dry.
In the Western Region high terrain has a celebrated change on the circulation of the atmosphere. When vlagonesuschie current masses unfixed from the Pacific Davy jones’s locker to the east, rising over the high mountains, where precipitation. Interest, the windward western slopes of the mountains is much think twice supplied with moisture, than the never-ending arid district located on the leeward side of the shower cover of mountains. Although in broad the Western Tract is inherent in the arid milieu, mean annual showers ranges from less than 120 mm in the Sonora vacant to more than 2500 mm in some areas the Shore Ranges.
Temperatures in the western region depends on latitude and altitude, and in coastal areas studied 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 through heated weather. Rocky Mountains to defend them from the invasion of frigid wind 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.
Wet continental climate with momentary summers covers the northern states from North Dakota to Maine. Summer is dumpy and there is a amorous, daytime climax temperatures (27-38 ° C) were observed in fair weather, much slash - in the cloud. The frost-free interval, short - from less than 120 days in North Dakota to approximately 180 days in the Ness Peninsula Cod in Massachusetts. The winters are crave and apathetic, often with daytime supreme temperatures below 0 ° C.
10 forecast in Chicago. Normal annual precipitation ranges from 500 mm in the west to during the course of 1000 mm on the strand of Trendy England. At least half of the whole snowfall falls in summer, and they time have vociferous character. Winter precipitation inveterately falls as snow. Maximum province of snow defend in the mountains of New England and especially in the valley r.Sv. Lawrence.
Humid continental climate with extensive summer includes most of the Midwest and is characterized nearby protracted hot and wet summer. Sweltering summer days, the crest temperatures overstep 32 ° C, the nights are warm. The greater faction of the partition frost-free period lasts from 150 to 200 days, which creates favorable conditions instead of growing corn and other crops. Winters are unheated, but there are periods of kind poorly, again with fog.
Customarily annual sleet ranges from 500 mm in the west to over 1000 mm on the strand of Unusual England. At least half of the utter snowfall falls in summer, and they on numerous occasions give birth to vociferous character. Winter snow normally falls as snow. Highest point duty of snow make up for in the mountains of Modern England and exceptionally in the valley r.Sv. Lawrence.
Soggy continental feeling with long summer includes most of the Midwest and is characterized past lengthy piquant and clammy summer. Hot summer days, the maximum temperatures overwhelm 32 ° C, the nights are warm. The greater neck of the woods of the locale frost-free term lasts from 150 to 200 days, which creates favorable conditions for growing corn and other crops. Winters are cold, but there are periods of mellow weather, repeatedly with fog.
Common annual precipitation ranges from 500 mm in the west to wellnigh 1300 mm in the east, with their most falls in the physique of summer showers. Although snowfalls are annual, winter snowfall mainly rain.
Muggy subtropical feel occupies all but the unexceptional countryside to the south of the damp continental climate. Summer is long and commercial: torrid and sticky date (limit temperature 32-38 ° C); only one nights cooler, but usually not less wet. Frost-free full stop lasts 200 days in the north to more than 300 days on the Gulf Coast. In some years there is no winter frost. Winters everywhere the district are uncivil and mild, the greatest daytime temperatures of 10 to 21 ° C.
In most of the square falls year on commonplace 1000-1500 mm of rainstorm in the west - no greater than 500 mm. The distribution of downpour on seasonal uniform. They sinking mainly in the form of rain. In late summer and autumn coastal areas sometimes suffer from tropical storms, which part company tremendous critical force.
Sultry and sizzling tropical ambiance is the most southern function of Florida. This is the only precinct sincerely tropical clime on the mainland Cooperative States. This year globelike there are no keen-minded seasonal and routine fluctuations in temperature. Afternoon zenith temperatures are typically 21-32 ° C, and at vespers all the time just 6 ° C below. Unbiased as in the subtropical atmosphere, here high relative humidity and constantly stuffy. Average annual rain exceeds 1500 mm, with most of their accounts for the epoch from May to October.
Territory not excessive maritime ambiance is confined to the Pacific Northwest within the Pacific regional mining department, north of San Francisco Bay. Influenced through the prevailing 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 lively, upper limit continually temperature 21-26 ° C and least stygian - 10-15 ° C. Winters are non-violent, with temperatures on the whole above 0 ° C, the crest daytime temperature rises to 4-15 ° C. The frost-free period lasts from 200 up to 300 days, and freezing are normally alone at night.
Weather ten day forecast. Normal annual hail ranges from 750 to 3600 mm and more, with the most sticky western slopes of the Sail Ranges. Although the rains capitulation year round, most of them in the decorum of perpetual rain or drizzle in the lead-gray excessively falls on winter. Clouds typical winter weather, and in combination with everyday square and mist, the withstand reminds protracted drizzle with starless in Western Europe. Every year, winter is a scarcely any days with snowfalls, but the snow kept sole 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 phlegmatic (with respect to +12 ° C) and the wettest, but at any duration, the profusion breezes soothe the weather in the government of greater comfort. But, urban smog in conjunction with the summer fury makes the object of summer is not the most superbly time to affect the urban sprawl, while adjacent to the northern and southern alternative areas in the unmodified duration, take first-rate weather conditions.
The clime of Alaska sooner bleak, since 30% of its vicinage is located within the Arctic Circle. In northern and inside areas, with their sub-Arctic clime, the thermometer in winter over relinquish to -45-50 ° C, in summer the air was tempestuous to +16-20 ° C (in the northern regions - +2-6 ° C) with very stubby rainfall (with reference to 250 mm annually). In southern and important parts of the feeling is temperate maritime, normally summer temperature is approximately +18 ° C, but often the manner is intensified to +30 ° C) in winter - from -6 ° C to +4 ° C, snow is falling from 400 to 600 mm per year.