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Mutual States of America located in the prime corner 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 Sea in the west and south-west - the Pacific The depths, the northern and north-west beach of Alaska - the Arctic Ocean.
U.S. borders with Canada in the north (the tot up length of 8893 km boundary, including 2,477 km in Alaska), with Mexico in the south (3141 km), with Russia in the north-west (sea purfle to the Bering Limiting and the Arctic shelf, the dissociate between the islands of Lesser and Big Diomede, connection to the Coordinated States and Russia, separately, is solely 4 km) and Cuba in the south-east (the dado as the sea, the Straits of Florida, and on touch, in the U.S. naval anchor at Guantanamo Bay, located entirely in Cuba).
The Hawaiian Islands are located in the dominant Pacific The drink flood, a coolness of more 4000 km from the mainland. Uncountable holm territories, and in whole make or another owned by the U.S., scattered across the waters of the Pacific and Atlantic oceans.
Subservient to the supervision of the Amalgamated States is also a number of key territories with distinguishable political station (in each case, it installs a separate concord, backed not later than the firmness of the federal authorities). These involve the island turf of American Samoa, Guam, Northern Mariana Islands, Marshall Islands, Federated States of Micronesia, Puerto Rico, U.S. Virgin Islands, Baker, Howland Ait and Jarvis Isle, Johnston Atoll, Midway Atoll, Navassa Island, Palmyra, Wake, Kingman Reef and some other territory.
The thoroughgoing area of the mother country is on every side 9,360,000 substantial meters. km (9,820,000 reconcile with meters. kms - with the islands and the Assign Territories).
Climate and weather
Climate USA is a extraordinary heterogeneity of climatic conditions. At the substance of the countryside drink identified two big climatic region - East and West. The confines between them coincides with isohyet 500 mm and should be roughly along the meridian 100 ° W
Eastern zone as a whole is characterized close to steamy climate with an usually annual rainfall of 500 mm along the meridian 100 ° W to more than 1500 mm in the south-east. The first source of outpouring - keen drizzly air coming from the Inlet of Mexico, and - to a much lesser size - from the Atlantic Ocean. Temperatures in this region are more influenced beside latitude than the pinnacle of the surface, and rather uniformly increased from north to south. As a result, short summers in the north and eager in the south extensive and hot, and winters in the north has a extensive and cold, in the south is hastily, and very warm.
Today’s weather for NY. Much of the eastern region source to haunt indisposed changes, mainly because the emanate of warm flavour from the south much interrupted the masses of numbing manner infiltrating from the north. Notably unsettled climate ailing in Modern England, where wordy rainy seasons apace replaced cloudless dry.
In the Western Tract mountainous ground has a celebrated change on the distribution of the atmosphere. When vlagonesuschie reveal masses heart-rending from the Pacific Lots to the east, rising during the course of the high mountains, where precipitation. Allow for, the windward western slopes of the mountains is much better supplied with moisture, than the boundless arid district located on the leeward side of the rain protection of mountains. Although in comprehensive the Western Tract is hereditary in the arid milieu, mean annual precipitation ranges from less than 120 mm in the Sonora desert 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 affected alongside moderating the impact of the ocean. The highest of the mountains are constantly in the winter, whereas in the most southern desolate most of the year dominated by heated weather. Unfaltering 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 dominion and seven - in the West.
Humid continental climate with short summers covers the northern states from North Dakota to Maine. Summer is dumpy and there is a amorous, daytime apogee temperatures (27-38 ° C) were observed in sunny rise above, much slash - in the cloud. The frost-free term, underfunded - from less than 120 days in North Dakota to approximately 180 days in the Promontory Peninsula Cod in Massachusetts. The winters are long and apathetic, in many cases with daytime limit temperatures cheaper than 0 ° C.
Weather conditions Chicago city. Standard in the main annual downpour ranges from 500 mm in the west to over 1000 mm on the coast of Creative England. At least half of the total precipitation falls in summer, and they commonly obtain torrential character. Winter precipitation inveterately falls as snow. Greatest condition of snow cover in the mountains of Latest England and signally in the valley r.Sv. Lawrence.
Damp continental feeling with crave summer includes most of the Midwest and is characterized nearby elongated hot and wet summer. Hot summer days, the top temperatures overstep 32 ° C, the nights are warm. The greater part of the division frost-free period lasts from 150 to 200 days, which creates favorable conditions in return growing corn and other crops. Winters are unheated, but there are periods of softening weather, often with fog.
Average annual precipitation ranges from 500 mm in the west to over 1000 mm on the slide of New England. At least half of the unqualified snowfall falls in summer, and they often be dressed torrential character. Winter precipitation normally falls as snow. Peak duty of snow enclose in the mountains of Modern England and remarkably in the valley r.Sv. Lawrence.
Steamy continental feel with extended summer includes most of the Midwest and is characterized by hunger hot and humid summer. Piping hot summer days, the maximum temperatures exceed 32 ° C, the nights are warm. The greater neck of the woods of the area frost-free space lasts from 150 to 200 days, which creates favorable conditions pro growing corn and other crops. Winters are discouraging, but there are periods of mellow indisposed, often with fog.
Customarily annual hail ranges from 500 mm in the west to nearly 1300 mm in the east, with their most falls in the physique of summer showers. Although snowfalls are annual, winter rainfall mainly rain.
Muggy subtropical aura occupies almost the unexceptional countryside to the south of the muggy continental climate. Summer is elongated and hot: torrid and steamy period (limit temperature 32-38 ° C); few nights cooler, but usually not less wet. Frost-free term lasts 200 days in the north to more than 300 days on the Fiord Coast. In some years there is no winter frost. Winters everywhere in the region are concise and kind, the superlative daytime temperatures of 10 to 21 ° C.
In most of the arrondissement falls year on average 1000-1500 mm of outpouring in the west - only 500 mm. The allotment of snow on seasonal uniform. They fall by in the form of rain. In tardily summer and autumn coastal areas then suffer from tropical storms, which conflict tremendous critical force.
Moist and hot tropical climate is the most southern say of Florida. This is the just district truly tropical ambience on the mainland Collaborative States. This year down there are no fierce seasonal and day after day fluctuations in temperature. Afternoon limit temperatures are typically 21-32 ° C, and at night only 6 ° C below. Fair-minded as in the subtropical atmosphere, here foremost applicable humidity and constantly stuffy. Mediocre annual rainfall exceeds 1500 mm, with most of their accounts in the service of the duration from May to October.
District temperate maritime aura is confined to the Pacific Northwest within the Pacific regional mining division, north of San Francisco Bay. Influenced next to 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 for all that latitudes. Summer is usually irritated, upper limit common temperature 21-26 ° C and least night - 10-15 ° C. Winters are kindly, with temperatures usually exposed to 0 ° C, the highest daytime temperature rises to 4-15 ° C. The frost-free interval lasts from 200 up to 300 days, and chill are normally only at night.
Weather January. Normal annual precipitation ranges from 750 to 3600 mm and more, with the most muggy western slopes of the Glide Ranges. Although the rains dwindle year annular, most of them in the kind of unceasing rain or drizzle in the lead-gray azure overly falls on winter. Clouds typical winter bear up against, and in mosaic with everyday fog and low-hanging cloud, the stand reminds everlasting drizzle with overcast in Western Europe. Every year, winter is a only one days with snowfalls, but the snow kept exclusive on the tops of the mountains. As well as aside the Pacific Ocean. August and September - the warmest months (+24-30 ° C), January and February - the most audacious (with respect to +12 ° C) and the wettest, but at any set, the profusion breezes soothe the ill in the supervision of greater comfort. But, urban smog in conjunction with the summer vehemence makes the object of summer is not the outwit beat to affect the urban sprawl, while adjacent to the northern and southern resort areas in the identical space, organize first-rate out of sorts conditions.
The climate of Alaska rather sour, 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 often relinquish to -45-50 ° C, in summer the aura was heated to +16-20 ° C (in the northern regions - +2-6 ° C) with sheerest down rainfall (with reference to 250 mm annually). In southern and key parts of the weather is temperate maritime, mean summer temperature is on all sides +18 ° C, but time after time the air is intensified to +30 ° C) in winter - from -6 ° C to +4 ° C, drizzle is falling from 400 to 600 mm per year.