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Of like mind States of America located in the central part of the North American continent, occupying a immense area between 25 th and 57 th parallels of north latitude. To the east, washed Atlantic, in the south - the Deep of Mexico Caribbean Briny in the west and south-west - the Pacific Lots, the northern and north-west beach of Alaska - the Arctic Ocean.
U.S. borders with Canada in the north (the total to the fullest extent a finally of 8893 km boundary, including 2,477 km in Alaska), with Mexico in the south (3141 km), with Russia in the north-west (mystified border to the Bering Demanding and the Arctic shelf, the detach between the islands of Lesser and Large Diomede, affinity to the Joint States and Russia, mutatis mutandis, is just 4 km) and Cuba in the south-east (the frieze as the sea, the Straits of Florida, and on touch, in the U.S. naval anchor at Guantanamo Bay, located directly in Cuba).
The Hawaiian Islands are located in the central Pacific Ocean, a haughtiness of more 4000 km from the mainland. Assorted cay territories, and in undivided bearing or another owned during the U.S., scattered across the waters of the Pacific and Atlantic oceans.
Out of sight the supervision of the Synergetic States is also a thousand of isle territories with different bureaucratic stature (in each cause, it installs a split pact, backed by the firmness of the federal authorities). These contain the island territory of American Samoa, Guam, Northern Mariana Islands, Marshall Islands, Federated States of Micronesia, Puerto Rico, U.S. Virgin Islands, Baker, Howland Ait and Jarvis Island, Johnston Atoll, Midway Islet, Navassa Ait, Palmyra, Wake, Kingman Reef and some other territory.
The gross area of the native land is on every side 9,360,000 substantial meters. km (9,820,000 reconcile with meters. kms - with the islands and the Trust Territories).
Climate and live through
Weather USA is a great heterogeneity of climatic conditions. At the insides of the nation be experiencing identified two main climatic dominion - East and West. The limits between them coincides with isohyet 500 mm and should be roughly along the meridian 100 ° W
Eastern district as a well is characterized during steamy air with an average annual rainfall of 500 mm along the meridian 100 ° W to more than 1500 mm in the south-east. The main source of shower - keen foggy breath coming from the Sea loch of Mexico, and - to a much lesser size - from the Atlantic Ocean. Temperatures in this quarter are more influenced around latitude than the height of the integument, and rather uniformly increased from north to south. As a conclude, deficient rare summers in the north and warm in the south dream of and passionate, and winters in the north has a crave and chill, in the south is knee-pants, and very warm.
Temperature now New York. Much of the eastern section source to haunt indisposed changes, most of all because the glide of lively breath from the south often interrupted the masses of hyperborean with infiltrating from the north. Specifically changeable weather in New England, where talkative rainy seasons hurriedly replaced cloudless dry.
In the Western Tract huge topography has a celebrated change on the motion of the atmosphere. When vlagonesuschie air masses unfixed from the Pacific Lots to the east, rising more than the momentous mountains, where precipitation. Commensurate with explain, the windward western slopes of the mountains is much crap-shooter supplied with moisture, than the jumbo arid field located on the leeward side of the shower protection of mountains. Although in unspecific the Western Region is inborn in the arid ambience, of course annual precipitation ranges from less than 120 mm in the Sonora barren to more than 2500 mm in some areas the Shore Ranges.
Temperatures in the western domain depends on latitude and altitude, and in coastal areas affected by moderating the import of the ocean. The highest of the mountains are constantly in the winter, whereas in the most southern desolate most of the year dominated via unpredictable intensify weather. Unstable Mountains to defend them from the infringement of cold-blooded air masses from the north.
Climatic regions. On the mainland, the U.S. gives 11 climatic regions, including four in the Eastern climatic region and seven - in the West.
Sticky continental ambiance with short summers covers the northern states from North Dakota to Maine. Summer is sawn-off and there is a impassioned, daytime apogee temperatures (27-38 ° C) were observed in brilliant rise above, much farther down - in the cloud. The frost-free period, underfunded - from less than 120 days in North Dakota to give 180 days in the Cape Point Cod in Massachusetts. The winters are wish and cold, in many cases with daytime extreme temperatures lower 0 ° C.
Temperature tomorrow Chicago. Average annual precipitation ranges from 500 mm in the west to over 1000 mm on the shore of New England. At least half of the whole drizzle falls in summer, and they often bear torrential character. Winter downpour usually falls as snow. Top capacity of snow defend in the mountains of Latest England and firstly in the valley r.Sv. Lawrence.
Humid continental ambience with crave summer includes most of the Midwest and is characterized by way of great hot and soggy summer. Acrid summer days, the crest temperatures beat 32 ° C, the nights are warm. The greater part of the district frost-free period lasts from 150 to 200 days, which creates favorable conditions also in behalf of growing corn and other crops. Winters are emotionless, but there are periods of softening poorly, often with fog.
Ordinary annual snow ranges from 500 mm in the west to upward of 1000 mm on the coast of Contemporary England. At least half of the mount up to snow falls in summer, and they often take torrential character. Winter snow as per usual falls as snow. Peak capacity of snow attire in the mountains of Fresh England and remarkably in the valley r.Sv. Lawrence.
Steamy continental ambience with extended summer includes most of the Midwest and is characterized by way of lengthy hot and sultry summer. Piping hot summer days, the extreme temperatures pass 32 ° C, the nights are warm. The greater get of the district frost-free period lasts from 150 to 200 days, which creates favorable conditions for growing corn and other crops. Winters are depressing, but there are periods of equable indisposed, repeatedly with fog.
Normally annual precipitation ranges from 500 mm in the west to nearly 1300 mm in the east, with their most falls in the construct of summer showers. Although snowfalls are annual, winter precipitation essentially rain.
Muggy subtropical feel occupies wellnigh the undivided nation to the south of the humid continental climate. Summer is yearn and sharp: ardent and steamy day (extreme temperature 32-38 ° C); few nights cooler, but as a rule 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 the quarter are epigrammatic and temperate, the acme daytime temperatures of 10 to 21 ° C.
In most of the area falls year on customarily 1000-1500 mm of outpouring in the west - at most 500 mm. The dispersal of precipitation on seasonal uniform. They decrease in general in the fashion of rain. In tardily summer and autumn coastal areas then suffer from tropical storms, which part company tremendous opposing force.
Sultry and sizzling tropical ambiance is the most southern function of Florida. This is the just district sincerely tropical ambience on the mainland In harmony States. This year round there are no keen-minded seasonal and daily fluctuations in temperature. Afternoon apogee temperatures are typically 21-32 ° C, and at night just 6 ° C below. Just as in the subtropical weather, here high applicable humidity and constantly stuffy. Normally annual showers exceeds 1500 mm, with most of their accounts for the space from May to October.
Locality not excessive maritime ambiance is confined to the Pacific Northwest within the Pacific regional mining department, north of San Francisco Bay. Influenced by the prevailing westerly winds blowing from the Pacific Profusion, summer here is cooler and winters warmer than other places the U.S., located on the for all that latitudes. Summer is chiefly zealous, maximum continually temperature 21-26 ° C and minimum gloom - 10-15 ° C. Winters are kindly, with temperatures for the most part surpassing 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 alone at night.
Weather conditions. Ordinarily annual rainfall ranges from 750 to 3600 mm and more, with the most sultry western slopes of the Coast Ranges. Although the rains capitulation year about, most of them in the kind of continuous shower or drizzle in the lead-gray excessively falls on winter. Clouds usual winter sick, and in mosaic with usual fog and vapour, the withstand reminds marathon drizzle with darkened in Western Europe. Every year, winter is a some days with snowfalls, but the snow kept exclusive on the tops of the mountains. As well as close to the Pacific Ocean. August and September - the warmest months (+24-30 ° C), January and February - the most phlegmatic (about +12 ° C) and the wettest, but at any time, the ocean breezes soothe the out of sorts in the direction of greater comfort. However, urban smog in conjunction with the summer fury makes the object of summer is not the most superbly beat to visit the capital, while adjacent to the northern and southern frequent areas in the anyway period, be struck by a number out of sorts conditions.
The climate of Alaska somewhat bleak, since 30% of its turf is located within the Arctic Circle. In northern and inside areas, with their sub-Arctic clime, the thermometer in winter on numerous occasions drop to -45-50 ° C, in summer the publicize was tempestuous to +16-20 ° C (in the northern regions - +2-6 ° C) with very stubby rainfall (about 250 mm annually). In southern and principal parts of the clime is equable maritime, typically summer temperature is on all sides +18 ° C, but again the quality is heated to +30 ° C) in winter - from -6 ° C to +4 ° C, precipitation is falling from 400 to 600 mm per year.