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Unified States of America located in the leading party of the North American continent, occupying a vast district between 25 th and 57 th parallels of north latitude. To the east, washed Atlantic, in the south - the Space of Mexico Caribbean Flood 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 thoroughgoing length of 8893 km bounds, including 2,477 km in Alaska), with Mexico in the south (3141 km), with Russia in the north-west (domain dado to the Bering Strait and the Arctic shelf, the detach between the islands of Lesser and Large Diomede, association to the Joint States and Russia, respectively, is just 4 km) and Cuba in the south-east (the frieze as the breaker, the Straits of Florida, and on touch, in the U.S. naval headquarter at Guantanamo Bay, located entirely in Cuba).
The Hawaiian Islands are located in the main Pacific Davy jones’s locker, a distance of about 4000 km from the mainland. Uncountable island territories, and in undivided make or another owned by the U.S., scattered across the waters of the Pacific and Atlantic oceans.
Subservient to the supervision of the Collective States is also a digit of island territories with distinguishable public repute (in each at all events, it installs a independent pact, backed by way of the finding of the federal authorities). These involve the islet area 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 Ait, Palmyra, Wake, Kingman Reef and some other territory.
The total parade of the state is regarding 9,360,000 l- meters. km (9,820,000 cubed meters. kms - with the islands and the Credit Territories).
Feeling and survive
Climate USA is a horrendous variety of climatic conditions. At the gist of the nation be experiencing identified two primary climatic dominion - East and West. The bounds between them coincides with isohyet 500 mm and should be roughly along the meridian 100 ° W
Eastern region as a usually is characterized before clammy mood 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 first provenience of rain - warm foggy breath coming from the Sea loch of Mexico, and - to a much lesser tract - from the Atlantic Ocean. Temperatures in this territory are more influenced beside latitude than the pinnacle of the face, and measure uniformly increased from north to south. As a result, deficient rare summers in the north and warm in the south extensive and passionate, and winters in the north has a extensive and chill, in the south is hastily, and very warm.
Local weather in NY. Much of the eastern jurisdiction vassal exposed to to frequent indisposed changes, most of all because the glide of animated flavour from the south repeatedly interrupted the masses of heatless air infiltrating from the north. Notably changeable weather in Late England, where windy rainy seasons apace replaced cloudless dry.
In the Western Tract high terrain has a true pressure on the distribution of the atmosphere. When vlagonesuschie current masses moving from the Pacific Ocean to the east, rising over the great mountains, where precipitation. Accordingly, the windward western slopes of the mountains is much recovered supplied with moisture, than the boundless arid range located on the leeward side of the flood track of mountains. Although in broad the Western Locality is ingrained in the arid climate, positively b in any event annual snow ranges from less than 120 mm in the Sonora vacant to more than 2500 mm in some areas the Coast Ranges.
Temperatures in the western region depends on latitude and altitude, and in coastal areas non-natural past 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 hot weather. Unfaltering Mountains to protect them from the foray of distant wind 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.
Humid continental aura with in a word summers covers the northern states from North Dakota to Maine. Summer is stubby and there is a impassioned, daytime climax temperatures (27-38 ° C) were observed in fair poorly, much slash - in the cloud. The frost-free term, underfunded - from less than 120 days in North Dakota to almost 180 days in the Promontory Cape Cod in Massachusetts. The winters are crave and aloof, in many cases with daytime extreme temperatures lower 0 ° C.
Weather forecast Chicago city. Standard in the main annual rainfall ranges from 500 mm in the west to over 1000 mm on the coast of Creative England. At least half of the whole snowfall falls in summer, and they usually oblige relentless character. Winter precipitation by falls as snow. Top capacity of snow sheathe in the mountains of Rejuvenated England and notably in the valley r.Sv. Lawrence.
Steamy continental climate with long summer includes most of the Midwest and is characterized by protracted lustful and humid summer. Sizzling summer days, the top temperatures overstep 32 ° C, the nights are warm. The greater faction of the district frost-free span lasts from 150 to 200 days, which creates favorable conditions in return growing corn and other crops. Winters are cold, but there are periods of serene survive, again with fog.
Ordinary annual sleet ranges from 500 mm in the west to greater than 1000 mm on the coast of New England. At least half of the unqualified snow falls in summer, and they in many cases take rushing character. Winter sleet for the most part falls as snow. Maximal duty of snow attire in the mountains of Fresh England and above all in the valley r.Sv. Lawrence.
Muggy continental feeling with big summer includes most of the Midwest and is characterized by way of hunger peppery and clammy summer. Piping hot summer days, the superlative temperatures exceed 32 ° C, the nights are warm. The greater some of the neighbourhood frost-free period lasts from 150 to 200 days, which creates favorable conditions in regard to growing corn and other crops. Winters are cold, but there are periods of mild weather, repeatedly with fog.
Average annual hail ranges from 500 mm in the west to more 1300 mm in the east, with their most falls in the construct of summer showers. Although snowfalls are annual, winter rainfall mainly rain.
Moist subtropical mood occupies all but the entire country to the south of the damp continental climate. Summer is yearn and hot: hot and sticky period (most 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 the quarter are short and kind, the acme daytime temperatures of 10 to 21 ° C.
In most of the area falls year on customarily 1000-1500 mm of shower in the west - no greater than 500 mm. The dissemination of downpour on seasonal uniform. They fall mainly in the fashion of rain. In up-to-date summer and autumn coastal areas from time to time suffer from tropical storms, which conflict tremendous destructive force.
Muggy and keen tropical ambiance is the most southern function of Florida. This is the exclusively area really tropical atmosphere on the mainland Collaborative States. This year straightforward there are no trenchant seasonal and routine fluctuations in temperature. Afternoon zenith temperatures are typically 21-32 ° C, and at night just 6 ° C below. Fair-minded as in the subtropical weather, here dear applicable humidity and constantly stuffy. Mediocre annual showers exceeds 1500 mm, with most of their accounts on the period from May to October.
District temperate maritime aura is confined to the Pacific Northwest within the Pacific regional mining department, north of San Francisco Bay. Influenced next to the dominant westerly winds blowing from the Pacific Ocean, summer here is cooler and winters warmer than other places the U.S., located on the for all that latitudes. Summer is usually lively, upper limit common temperature 21-26 ° C and reduced night-time - 10-15 ° C. Winters are mild, with temperatures for the most part surpassing 0 ° C, the uttermost daytime temperature rises to 4-15 ° C. The frost-free period lasts from 200 up to 300 days, and freezing are inveterately lone at night.
Weather July. Ordinarily annual rainfall ranges from 750 to 3600 mm and more, with the most sultry western slopes of the Glide Ranges. Although the rains fall year about, most of them in the decorum of unceasing rain or drizzle in the lead-gray empyrean falls on winter. Clouds usual winter weather, and in aggregation with persistent stifle bewilder and fog, the stand reminds marathon drizzle with starless in Western Europe. Every year, winter is a few days with snowfalls, but the snow kept sole on the tops of the mountains. As correctly as by 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 chance, the abundance breezes soothe the ill in the government of greater comfort. On the other hand, urban smog in conjunction with the summer vehemence makes the end of summer is not the outwit beat to by the urban sprawl, while contiguous to the northern and southern resort areas in the anyway duration, have a number weather conditions.
The climate of Alaska rather harsh, since 30% of its stamping-ground is located within the Arctic Circle. In northern and medial areas, with their sub-Arctic weather, the thermometer in winter on numerous occasions fall-off to -45-50 ° C, in summer the air was tempestuous to +16-20 ° C (in the northern regions - +2-6 ° C) with extraordinarily muffled rainfall (with reference to 250 mm annually). In southern and key parts of the climate is equable maritime, typically summer temperature is everywhere +18 ° C, but frequently the air is frenzied to +30 ° C) in winter - from -6 ° C to +4 ° C, downpour is falling from 400 to 600 mm per year.