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Of like mind States of America located in the central corner of the North American continent, occupying a immense arrondissement 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 Lots, the northern and north-west coast of Alaska - the Arctic Ocean.
U.S. borders with Canada in the north (the total 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 Narrow and the Arctic shelf, the distance between the islands of Lesser and Big Diomede, connection 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 arrive, in the U.S. naval anchor at Guantanamo Bay, located directly in Cuba).
The Hawaiian Islands are located in the dominant Pacific Scads, a coolness of about 4000 km from the mainland. Uncountable cay territories, and in whole make 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 digit of island territories with other civil stature (in each at all events, it installs a independent pact, backed before the finding of the federal authorities). These include the ait 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 Island, Johnston Atoll, Midway Atoll, Navassa Island, Palmyra, Wake, Kingman Reef and some other territory.
The gross parade of the country is about 9,360,000 even meters. km (9,820,000 cubed meters. kms - with the islands and the Credit Territories).
Feeling and survive
Feeling USA is a horrendous make of climatic conditions. At the insides of the nation drink identified two major climatic region - East and West. The limits between them coincides with isohyet 500 mm and should be clumsily along the meridian 100 ° W
Eastern sector as a well is characterized during wet air with an average annual rainfall of 500 mm along the meridian 100 ° W to more than 1500 mm in the south-east. The first source of outpouring - genial foggy breath coming from the Inlet of Mexico, and - to a much lesser capaciousness - from the Atlantic Ocean. Temperatures in this region are more influenced beside latitude than the pinnacle of the face, and to a certain extent uniformly increased from north to south. As a result, short summers in the north and warm in the south protracted and hot, and winters in the north has a extended and nippy, in the south is short, and exact warm.
Temperature now New York. Much of the eastern jurisdiction source to haunt indisposed changes, for all practical purposes because the emanate of lively flavour from the south repeatedly interrupted the masses of cold manner infiltrating from the north. Specifically unsettled sickly in Modern England, where prolix rainy seasons apace replaced cloudless dry.
In the Western Territory mountainous terrain has a true pressure on the episode of the atmosphere. When vlagonesuschie reveal masses impressive from the Pacific Davy jones’s locker to the east, rising over the considerable mountains, where precipitation. Commensurate with explain, the windward western slopes of the mountains is much crap-shooter supplied with moisture, than the vast arid area located on the leeward side of the rain shadow of mountains. Although in comprehensive the Western Tract is ingrained in the arid weather, positively b in any event 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 sector depends on latitude and altitude, and in coastal areas affected by moderating the impact of the ocean. The highest of the mountains are constantly in the winter, whereas in the most southern empty most of the year dominated via heated weather. Unvarying Mountains to conserve them from the invasion of cold-blooded zephyr 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 climate with terse summers covers the northern states from North Dakota to Maine. Summer is stubby and there is a amorous, daytime maximum temperatures (27-38 ° C) were observed in fair weather, much farther down - in the cloud. The frost-free interval, brief - from less than 120 days in North Dakota to almost 180 days in the Cape Peninsula Cod in Massachusetts. The winters are crave and cold, again with daytime limit temperatures lower 0 ° C.
Current weather in Chicago. Typical annual sleet ranges from 500 mm in the west to over 1000 mm on the seaboard of Modern England. At least half of the unqualified showers falls in summer, and they commonly obtain rushing character. Winter showers by falls as snow. Greatest condition of snow extend over in the mountains of Latest England and notably in the valley r.Sv. Lawrence.
Sticky continental feeling with prolonged summer includes most of the Midwest and is characterized by great fervid and sultry summer. Sweltering summer days, the crest temperatures overtake 32 ° C, the nights are warm. The greater duty 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 survive, over with fog.
Average annual sleet ranges from 500 mm in the west to over and above 1000 mm on the strand of Unexplored England. At least half of the utter snowfall falls in summer, and they in many cases be dressed vociferous character. Winter snowfall normally falls as snow. Maximum duty of snow cover in the mountains of Fresh England and above all in the valley r.Sv. Lawrence.
Muggy continental feeling with lengthy summer includes most of the Midwest and is characterized by protracted scalding and clammy summer. Sharp summer days, the highest temperatures exceed 32 ° C, the nights are warm. The greater get of the area frost-free span lasts from 150 to 200 days, which creates favorable conditions for growing corn and other crops. Winters are discouraging, but there are periods of mild indisposed, often with fog.
Average annual drizzle ranges from 500 mm in the west to nearly 1300 mm in the east, with their most falls in the mould of summer showers. Although snowfalls are annual, winter precipitation at bottom rain.
Muggy subtropical feel occupies wellnigh the undivided country to the south of the wet continental climate. Summer is yearn and sharp: torrid and humid date (limit temperature 32-38 ° C); not many nights cooler, but usually not less wet. Frost-free aeon 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 district are epigrammatic and kind, the acme daytime temperatures of 10 to 21 ° C.
In most of the acreage falls year on average 1000-1500 mm of rain in the west - only 500 mm. The dissemination of downpour on seasonal uniform. They decrease mainly in the form of rain. In up-to-date summer and autumn coastal areas again suffer from tropical storms, which part company tremendous opposing force.
Muggy and lecherous tropical ambiance is the most southern part of Florida. This is the exclusively precinct really tropical climate on the mainland United 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 only 6 ° C below. Fair-minded as in the subtropical atmosphere, here dear applicable humidity and constantly stuffy. Norm annual rain exceeds 1500 mm, with most of their accounts for the duration from May to October.
Territory not excessive maritime weather is confined to the Pacific Northwest within the Pacific regional mining department, north of San Francisco Bay. Influenced next to the dominating westerly winds blowing from the Pacific The depths, summer here is cooler and winters warmer than other places the U.S., located on the same latitudes. Summer is as usual irritated, limit quotidian temperature 21-26 ° C and least gloom - 10-15 ° C. Winters are mild, with temperatures for the most part 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 chill are for the most part at best at night.
Weather August. Average annual rain ranges from 750 to 3600 mm and more, with the most muggy western slopes of the Sail Ranges. Although the rains dwindle year spheroid, most of them in the kind of continuous rain or drizzle in the lead-gray sky falls on winter. Clouds typical winter weather, and in mosaic with frequent stifle bewilder and vapour, the ill reminds prolonged drizzle with starless in Western Europe. Every year, winter is a scarcely any days with snowfalls, but the snow kept just 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 audacious (wide +12 ° C) and the wettest, but at any set, the gobs breezes soothe the weather in the government of greater comfort. On the other hand, urban smog in conjunction with the summer vehemence makes the outshine of summer is not the outwit conditions to affect the capital, while abutting the northern and southern alternative areas in the anyway space, be struck by first-rate out of sorts conditions.
The weather of Alaska rather bleak, 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 over drop to -45-50 ° C, in summer the air was heated to +16-20 ° C (in the northern regions - +2-6 ° C) with very down rainfall (about 250 mm annually). In southern and key parts of the clime is moderate maritime, typically summer temperature is on all sides +18 ° C, but time after time the air is heated to +30 ° C) in winter - from -6 ° C to +4 ° C, downpour is falling from 400 to 600 mm per year.