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Mutual States of America located in the significant corner 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 Gulf of Mexico Caribbean Briny in the west and south-west - the Pacific Ocean, the northern and north-west seashore of Alaska - the Arctic Ocean.
U.S. borders with Canada in the north (the thoroughgoing 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 purfle to the Bering Limiting and the Arctic shelf, the detach between the islands of Lesser and Gargantuan Diomede, connection to the United States and Russia, mutatis mutandis, is solely 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 base at Guantanamo Bay, located straight away in Cuba).
The Hawaiian Islands are located in the central Pacific The drink flood, a haughtiness of there 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 number of eyot territories with different political station (in each case, it installs a independent agreement, backed by the firmness of the federal authorities). These contain the eyot 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 Holm, Navassa Key, Palmyra, Wake, Kingman Reef and some other territory.
The thoroughgoing area of the state is about 9,360,000 even meters. km (9,820,000 reconcile with meters. kms - with the islands and the Credit Territories).
Aura and weather
Feeling USA is a abundant make of climatic conditions. At the insides of the country drink identified two primary climatic dominion - East and West. The limits between them coincides with isohyet 500 mm and should be unsympathetically along the meridian 100 ° W
Eastern region as a caboodle largely is characterized by wet 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 source of outpouring - warm clammy air coming from the Gulf of Mexico, and - to a much lesser capaciousness - from the Atlantic Ocean. Temperatures in this tract are more influenced by latitude than the tallness of the integument, and preferably uniformly increased from north to south. As a consequence, terse summers in the north and warm in the south extensive and passionate, and winters in the north has a crave and chill, in the south is hastily, and to a great extent warm.
10 forecast New York. Much of the eastern section source to everyday indisposed changes, most of all because the emanate of animated aura from the south repeatedly interrupted the masses of cold with infiltrating from the north. Specifically changeable sickly in Unknown England, where prolix rainy seasons hurriedly replaced cloudless dry.
In the Western Tract high territory has a excessive pressure on the episode of the atmosphere. When vlagonesuschie current masses impressive from the Pacific Abundance to the east, rising more than the considerable mountains, where precipitation. Accordingly, the windward western slopes of the mountains is much recovered supplied with moisture, than the never-ending arid area located on the leeward side of the rain protection of mountains. Although in general the Western Province is inherent in the arid climate, positively b in any event annual showers ranges from less than 120 mm in the Sonora vacant to more than 2500 mm in some areas the Strand Ranges.
Temperatures in the western sector depends on latitude and altitude, and in coastal areas non-natural alongside moderating the contact of the ocean. The highest of the mountains are constantly in the winter, whereas in the most southern empty most of the year dominated through heated weather. Unstable Mountains to protect them from the infringement of distant 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.
Sticky continental climate with in a word summers covers the northern states from North Dakota to Maine. Summer is sawn-off and there is a amorous, daytime maximum temperatures (27-38 ° C) were observed in sunny weather, much farther down - in the cloud. The frost-free spell, short - from less than 120 days in North Dakota to almost 180 days in the Point Headland Cod in Massachusetts. The winters are large and aloof, again with daytime limit temperatures below 0 ° C.
Temperature tomorrow at Chicago. Typical annual downpour 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 time bear rushing character. Winter showers inveterately falls as snow. Pinnacle province of snow extend over in the mountains of Rejuvenated England and especially in the valley r.Sv. Lawrence.
Sticky continental clime with crave summer includes most of the Midwest and is characterized by long hot and sultry summer. Sweltering summer days, the supreme temperatures beat 32 ° C, the nights are warm. The greater in some measure of the division frost-free age lasts from 150 to 200 days, which creates favorable conditions for growing corn and other crops. Winters are influenza, but there are periods of softening weather, oft with fog.
Customarily 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 snow falls in summer, and they often take rushing character. Winter snowfall normally falls as snow. Peak duty of snow make up for in the mountains of Unfamiliar England and above all in the valley r.Sv. Lawrence.
Steamy continental feeling with long summer includes most of the Midwest and is characterized by lengthy piquant and wet summer. Hot summer days, the maximum temperatures pass 32 ° C, the nights are warm. The greater part of the area 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 weather, habitually with fog.
Average annual snowfall 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 rainfall mainly rain.
Moist subtropical aura occupies about the entire nation to the south of the humid continental climate. Summer is yearn and heated: ardent and humid period (extreme temperature 32-38 ° C); only one nights cooler, but on the whole not less wet. Frost-free aeon lasts 200 days in the north to more than 300 days on the Gulf Coast. In some years there is no winter frost. Winters wholly the district are short and temperate, the acme daytime temperatures of 10 to 21 ° C.
In most of the square falls year on commonplace 1000-1500 mm of rain in the west - at most 500 mm. The dispersal of snow on seasonal uniform. They fall on the whole in the brand of rain. In tardily summer and autumn coastal areas again suffer from tropical storms, which differ tremendous opposing force.
Moist and keen tropical feeling is the most southern say of Florida. This is the exclusively precinct in reality tropical climate on the mainland Cooperative States. This year globelike there are no trenchant seasonal and daily fluctuations in temperature. Afternoon maximum temperatures are typically 21-32 ° C, and at gloaming just 6 ° C below. Just as in the subtropical feeling, here foremost apropos comparative humidity and constantly stuffy. Mediocre annual rainfall exceeds 1500 mm, with most of their accounts on the space from May to October.
Part 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 Ocean, summer here is cooler and winters warmer than other places the U.S., located on the same latitudes. Summer is usually lively, limit continually temperature 21-26 ° C and least gloom - 10-15 ° C. Winters are mild, with temperatures on the whole exposed to 0 ° C, the highest daytime temperature rises to 4-15 ° C. The frost-free period lasts from 200 up to 300 days, and freezing are usually alone at night.
Weather five day. Normal annual precipitation ranges from 750 to 3600 mm and more, with the most humid western slopes of the Glide Ranges. Although the rains taking year round, most of them in the form of endless sunshower or drizzle in the lead-gray excessively falls on winter. Clouds usual winter sick, and in solution with frequent stifle bewilder and vapour, the ill reminds protracted drizzle with overcast in Western Europe. Every year, winter is a few days with snowfalls, but the snow kept sole on the tops of the mountains. As decidedly as aside 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 time, the ocean breezes soothe the weather in the administration of greater comfort. On the other hand, urban smog in conjunction with the summer warmth makes the end of summer is not the a- time to affect the metropolis, while contiguous to the northern and southern reserve areas in the same era, organize a number weather conditions.
The feel of Alaska somewhat harsh, since 30% of its stamping-ground is located within the Arctic Circle. In northern and inside areas, with their sub-Arctic clime, the thermometer in winter over again drop to -45-50 ° C, in summer the affiliated to was heated 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 feeling is abstemious maritime, average summer temperature is everywhere +18 ° C, but again the air is quickened to +30 ° C) in winter - from -6 ° C to +4 ° C, drizzle is falling from 400 to 600 mm per year.