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United States of America located in the leading party of the North American continent, occupying a immense district 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 Ocean, the northern and north-west seaside of Alaska - the Arctic Ocean.
U.S. borders with Canada in the north (the thoroughgoing length of 8893 km borders, including 2,477 km in Alaska), with Mexico in the south (3141 km), with Russia in the north-west (sea border to the Bering Limiting and the Arctic shelf, the detach between the islands of Lesser and Big Diomede, connection to the United States and Russia, respectively, 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 just in Cuba).
The Hawaiian Islands are located in the main Pacific Ocean, a mileage of there 4000 km from the mainland. Many archipelago territories, and in whole bearing or another owned on the U.S., scattered across the waters of the Pacific and Atlantic oceans.
Subservient to the supervision of the United States is also a digit of island territories with distinguishable public status (in each at all events, it installs a classify concord, backed not later than the firmness of the federal authorities). These include the eyot 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 Cay, Johnston Atoll, Midway Atoll, Navassa Ait, Palmyra, Wake, Kingman Reef and some other territory.
The gross extent of the country is on every side 9,360,000 substantial meters. km (9,820,000 square meters. kms - with the islands and the Assign Territories).
Feeling and weather
Climate USA is a abundant heterogeneity of climatic conditions. At the gist of the countryside induce identified two major climatic department - East and West. The bounds between them coincides with isohyet 500 mm and should be roughly along the meridian 100 ° W
Eastern sector as a caboodle largely is characterized before wet mood with an usually annual rainfall of 500 mm along the meridian 100 ° W to more than 1500 mm in the south-east. The first outset of rain - pleasant foggy song coming from the Opening of Mexico, and - to a much lesser capaciousness - from the Atlantic Ocean. Temperatures in this territory are more influenced aside latitude than the pinnacle of the surface, and to a certain extent uniformly increased from north to south. As a result, short summers in the north and warm in the south extensive and passionate, and winters in the north has a crave and bitter, in the south is excluding, and very warm.
Today’s weather NY. Much of the eastern jurisdiction vassal exposed to to everyday suffer changes, first because the rush of lively breath from the south repeatedly interrupted the masses of heatless with infiltrating from the north. Singularly changeable climate ailing in Modern England, where windy rainy seasons despatch replaced cloudless dry.
In the Western Ambit huge territory has a great influence on the distribution of the atmosphere. When vlagonesuschie current masses unfixed from the Pacific Lots to the east, rising over the high mountains, where precipitation. Accordingly, the windward western slopes of the mountains is much think twice supplied with moisture, than the never-ending arid area located on the leeward side of the shower track of mountains. Although in unspecific the Western Province is hereditary in the arid weather, wealth annual precipitation ranges from less than 120 mm in the Sonora retribution to more than 2500 mm in some areas the Coast Ranges.
Temperatures in the western domain depends on latitude and altitude, and in coastal areas affected past moderating the strike of the ocean. The highest of the mountains are constantly in the winter, whereas in the most southern desolate most of the year dominated through heated weather. Unfaltering Mountains to defend them from the foray of cold wind masses from the north.
Climatic regions. On the mainland, the U.S. gives 11 climatic regions, including four in the Eastern climatic territory and seven - in the West.
Sticky continental climate 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 fine poorly, much lower - in the cloud. The frost-free period, brief - from less than 120 days in North Dakota to almost 180 days in the Cape Point Cod in Massachusetts. The winters are large and apathetic, often with daytime supreme temperatures cheaper than 0 ° C.
Weather in Chicago. Standard in the main annual sleet ranges from 500 mm in the west to over 1000 mm on the coast of New England. At least half of the total drizzle falls in summer, and they time oblige relentless character. Winter downpour by falls as snow. Pinnacle capacity of snow defend in the mountains of Latest England and notably in the valley r.Sv. Lawrence.
Damp continental climate with crave summer includes most of the Midwest and is characterized nearby elongated fervid and wet summer. Sizzling summer days, the crest temperatures exceed 32 ° C, the nights are warm. The greater in some measure of the partition frost-free period lasts from 150 to 200 days, which creates favorable conditions instead of growing corn and other crops. Winters are influenza, but there are periods of serene poorly, again with fog.
Ordinary annual sleet ranges from 500 mm in the west to upward of 1000 mm on the slide of Unusual England. At least half of the unqualified precipitation falls in summer, and they in many cases have rushing character. Winter sleet as per usual falls as snow. Highest point intelligence of snow attire in the mountains of New England and especially in the valley r.Sv. Lawrence.
Steamy continental climate with big summer includes most of the Midwest and is characterized past lengthy hot and clammy summer. Hot summer days, the superlative temperatures overwhelm 32 ° C, the nights are warm. The greater part of the locale frost-free span lasts from 150 to 200 days, which creates favorable conditions pro growing corn and other crops. Winters are depressing, but there are periods of mellow weather, habitually 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 rain mainly rain.
Damp subtropical aura occupies all but the unexceptional rural area to the south of the damp continental climate. Summer is yearn and commercial: hot and muggy period (maximum temperature 32-38 ° C); scarcely any nights cooler, but most of the time not less wet. Frost-free term 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 sphere are uncivil and kind, the greatest daytime temperatures of 10 to 21 ° C.
In most of the acreage falls year on customarily 1000-1500 mm of outpouring in the west - only 500 mm. The distribution of snow on seasonal uniform. They sinking in general in the brand of rain. In tardily summer and autumn coastal areas again suffer from tropical storms, which conflict tremendous bad force.
Muggy and keen tropical feeling is the most southern say of Florida. This is the one district sincerely tropical climate on the mainland In harmony States. This year round there are no trenchant seasonal and daily fluctuations in temperature. Afternoon maximum temperatures are typically 21-32 ° C, and at gloaming barely 6 ° C below. Fair-minded as in the subtropical feeling, here foremost relative humidity and constantly stuffy. Norm annual rainfall exceeds 1500 mm, with most of their accounts object of the period from May to October.
Locality temperate maritime ambiance is confined to the Pacific Northwest within the Pacific regional mining department, north of San Francisco Bay. Influenced through the dominating westerly winds blowing from the Pacific The briny, summer here is cooler and winters warmer than other places the U.S., located on the unaltered latitudes. Summer is usually warm, upper limit daily temperature 21-26 ° C and nadir night - 10-15 ° C. Winters are kindly, with temperatures usually above 0 ° C, the maximum daytime temperature rises to 4-15 ° C. The frost-free period lasts from 200 up to 300 days, and chill are for the most part at best at night.
Weather May. Average annual rainfall ranges from 750 to 3600 mm and more, with the most sultry western slopes of the Sail Ranges. Although the rains dwindle year spheroid, most of them in the character of endless sunshower or drizzle in the lead-gray sky falls on winter. Clouds commonplace winter bear up against, and in combination with frequent fog and vapour, the stand reminds protracted drizzle with starless in Western Europe. Every year, winter is a few days with snowfalls, but the snow kept just 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 cool (about +12 ° C) and the wettest, but at any time, the abundance breezes soothe the ill in the supervision of greater comfort. But, urban smog in conjunction with the summer fury makes the end of summer is not the best conditions to stop the capital city, while contiguous to the northern and southern reserve areas in the anyway period, organize without equal indisposed conditions.
The climate of Alaska more grating, since 30% of its stamping-ground is located within the Arctic Circle. In northern and central areas, with their sub-Arctic clime, the thermometer in winter on numerous occasions come by to -45-50 ° C, in summer the publicize was frantic to +16-20 ° C (in the northern regions - +2-6 ° C) with extraordinarily low rainfall (anent 250 mm annually). In southern and key parts of the weather is equable maritime, typically summer temperature is on all sides +18 ° C, but time after time the quality is quickened to +30 ° C) in winter - from -6 ° C to +4 ° C, snow is falling from 400 to 600 mm per year.