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Mutual States of America located in the central part 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 Space of Mexico Caribbean Briny in the west and south-west - the Pacific The depths, the northern and north-west seashore of Alaska - the Arctic Ocean.
U.S. borders with Canada in the north (the total ultimately of 8893 km boundary, including 2,477 km in Alaska), with Mexico in the south (3141 km), with Russia in the north-west (quantity frame to the Bering Narrow and the Arctic shelf, the reserve between the islands of Lesser and Gargantuan Diomede, connection to the Joint States and Russia, separately, is just 4 km) and Cuba in the south-east (the resemble closely as the breaker, the Straits of Florida, and on touch, in the U.S. naval post at Guantanamo Bay, located straight away in Cuba).
The Hawaiian Islands are located in the dominant Pacific The drink flood, a distance of almost 4000 km from the mainland. Assorted island territories, and in undivided make or another owned on the U.S., scattered across the waters of the Pacific and Atlantic oceans.
Out of sight the supervision of the Collective States is also a thousand of isle territories with special political station (in each case, it installs a split concord, backed by way of the decision of the federal authorities). These comprehend the islet territory of American Samoa, Guam, Northern Mariana Islands, Marshall Islands, Federated States of Micronesia, Puerto Rico, U.S. Virgin Islands, Baker, Howland Atoll and Jarvis Eyot, Johnston Atoll, Midway Atoll, Navassa Key, Palmyra, Wake, Kingman Reef and some other territory.
The complete parade of the native land is to 9,360,000 l- meters. km (9,820,000 honourable meters. kms - with the islands and the Credit Territories).
Aura and suffer
Feeling USA is a great variety of climatic conditions. At the gist of the native land induce identified two primary climatic region - East and West. The limits between them coincides with isohyet 500 mm and should be crudely along the meridian 100 ° W
Eastern region as a usually is characterized close to clammy climate with an average annual rainfall of 500 mm along the meridian 100 ° W to more than 1500 mm in the south-east. The pre-eminent beginning of outpouring - warm drizzly song coming from the Inlet of Mexico, and - to a much lesser size - from the Atlantic Ocean. Temperatures in this tract are more influenced aside latitude than the tallness of the face, and preferably uniformly increased from north to south. As a result, terse summers in the north and warm in the south extensive and acrid, and winters in the north has a extended and chill, in the south is short, and dialect right warm.
Temperature in NY. Much of the eastern domain subject to frequent indisposed changes, for all practical purposes because the emanate of warm breath from the south ordinarily interrupted the masses of numbing manner infiltrating from the north. Specifically uneven seedy in Unknown England, where prolix rainy seasons apace replaced cloudless dry.
In the Western Territory mountainous territory has a great change on the motion of the atmosphere. When vlagonesuschie reveal masses heart-rending from the Pacific Abundance to the east, rising more than the momentous 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 district located on the leeward side of the shower protection of mountains. Although in general the Western Tract is ingrained in the arid ambience, wealth annual showers ranges from less than 120 mm in the Sonora barren to more than 2500 mm in some areas the Strand Ranges.
Temperatures in the western ambit depends on latitude and altitude, and in coastal areas affected past 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 past unpredictable intensify weather. Unstable Mountains to protect them from the infringement 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 dominion and seven - in the West.
Steamy continental ambiance with terse summers covers the northern states from North Dakota to Maine. Summer is short and there is a amorous, daytime climax temperatures (27-38 ° C) were observed in brilliant poorly, much take down - in the cloud. The frost-free spell, brief - from less than 120 days in North Dakota to approximately 180 days in the Point Cape Cod in Massachusetts. The winters are wish and cold, continually with daytime supreme temperatures under 0 ° C.
Temperature tomorrow Chicago city. Standard in the main annual downpour ranges from 500 mm in the west to onto 1000 mm on the seaboard of Trendy England. At least half of the overall drizzle falls in summer, and they usually bear torrential character. Winter downpour normally falls as snow. Greatest condition of snow defend in the mountains of Chic England and notably in the valley r.Sv. Lawrence.
Damp continental climate with prolonged summer includes most of the Midwest and is characterized on great hot and humid summer. Sweltering summer days, the crest temperatures exceed 32 ° C, the nights are warm. The greater faction of the district frost-free term lasts from 150 to 200 days, which creates favorable conditions instead of growing corn and other crops. Winters are emotionless, but there are periods of mild suffer, again with fog.
Customarily annual snow ranges from 500 mm in the west to over 1000 mm on the strand of Contemporary England. At least half of the utter snow falls in summer, and they in many cases give birth to torrential character. Winter snow as per usual falls as snow. Maximal duty of snow cover in the mountains of Fresh England and remarkably in the valley r.Sv. Lawrence.
Humid continental feel with big summer includes most of the Midwest and is characterized past lengthy piquant and sultry summer. Sharp summer days, the extreme temperatures pass 32 ° C, the nights are warm. The greater some of the area frost-free span lasts from 150 to 200 days, which creates favorable conditions for growing corn and other crops. Winters are cold, but there are periods of mild indisposed, oft 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 form of summer showers. Although snowfalls are annual, winter precipitation mainly rain.
Humid subtropical mood occupies about the unexceptional nation to the south of the wet continental climate. Summer is elongated and hot: hot and humid day (most temperature 32-38 ° C); few nights cooler, but usually not less wet. Frost-free period 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 in the district are concise and mild, the greatest daytime temperatures of 10 to 21 ° C.
In most of the acreage falls year on norm 1000-1500 mm of rainstorm in the west - just 500 mm. The distribution of showers on seasonal uniform. They fall by in the fashion of rain. In tardy summer and autumn coastal areas sometimes suffer from tropical storms, which differ tremendous destructive force.
Moist and sizzling tropical ambiance is the most southern say of Florida. This is the only area sincerely tropical atmosphere on the mainland In harmony States. This year straightforward there are no trenchant seasonal and day after day fluctuations in temperature. Afternoon limit temperatures are typically 21-32 ° C, and at night-time just 6 ° C below. Fair-minded as in the subtropical atmosphere, here consequential applicable humidity and constantly stuffy. Normally annual showers exceeds 1500 mm, with most of their accounts on the duration from May to October.
Locality temperate maritime aura is confined to the Pacific Northwest within the Pacific regional mining district, north of San Francisco Bay. Influenced by 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 for all that latitudes. Summer is chiefly lively, upper limit continually temperature 21-26 ° C and minimum stygian - 10-15 ° C. Winters are kindly, with temperatures usually exposed to 0 ° C, the maximum daytime temperature rises to 4-15 ° C. The frost-free interval lasts from 200 up to 300 days, and glacial are usually only at night.
Weather 24 hours. Average annual rain ranges from 750 to 3600 mm and more, with the most sultry western slopes of the Glide Ranges. Although the rains capitulation year spheroid, most of them in the form of continuous shower or drizzle in the lead-gray empyrean falls on winter. Clouds commonplace winter withstand, and in aggregation with persistent brown study and fog, the withstand reminds prolonged drizzle with darkened 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 correctly as close to the Pacific Ocean. August and September - the warmest months (+24-30 ° C), January and February - the most cool (with respect to +12 ° C) and the wettest, but at any chance, the abundance breezes soothe the ill in the administration of greater comfort. How on earth, urban smog in conjunction with the summer fury makes the object of summer is not the most superbly conditions to stop the capital, while adjacent to the northern and southern resort areas in the identical space, have a number out of sorts conditions.
The clime of Alaska somewhat harsh, since 30% of its turf is located within the Arctic Circle. In northern and medial areas, with their sub-Arctic clime, the thermometer in winter over drop to -45-50 ° C, in summer the affiliated to was fiery to +16-20 ° C (in the northern regions - +2-6 ° C) with very down rainfall (to 250 mm annually). In southern and key parts of the clime is temperate maritime, mean summer temperature is on all sides +18 ° C, but again the flavour is heated to +30 ° C) in winter - from -6 ° C to +4 ° C, downpour is falling from 400 to 600 mm per year.