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United States of America located in the significant partially of the North American continent, occupying a immense arrondissement between 25 th and 57 th parallels of north latitude. To the east, washed Atlantic, in the south - the Gulf of Mexico Caribbean Plethora 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 magnitude 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 distance between the islands of Lesser and Big Diomede, association to the Cooperative States and Russia, respectively, 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 post at Guantanamo Bay, located straight away in Cuba).
The Hawaiian Islands are located in the chief Pacific Ocean, a distance of there 4000 km from the mainland. Assorted island territories, and in undivided invent 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 example in any event, it installs a classify agreement, backed not later than the firmness of the federal authorities). These comprehend the island turf of American Samoa, Guam, Northern Mariana Islands, Marshall Islands, Federated States of Micronesia, Puerto Rico, U.S. Virgin Islands, Baker, Howland Island and Jarvis Isle, Johnston Atoll, Midway Islet, Navassa Island, Palmyra, Wake, Kingman Reef and some other territory.
The complete square footage of the mother country is on every side 9,360,000 square meters. km (9,820,000 reconcile with meters. kms - with the islands and the Assign Territories).
Ambience and weather
Aura USA is a abundant heterogeneity of climatic conditions. At the substance of the country have identified two big climatic region - East and West. The limits between them coincides with isohyet 500 mm and should be clumsily along the meridian 100 ° W
Eastern zone as a well is characterized by humid climate with an usually annual rainfall of 500 mm along the meridian 100 ° W to more than 1500 mm in the south-east. The cardinal provenience of rain - pleasant moist song coming from the Sea loch of Mexico, and - to a much lesser size - from the Atlantic Ocean. Temperatures in this tract are more influenced around latitude than the elevation of the face, and to a certain extent uniformly increased from north to south. As a consequence, short summers in the north and intense in the south long and passionate, and winters in the north has a crave and cold, in the south is knee-pants, and to a great extent warm.
Average weather in NY. Much of the eastern jurisdiction subject to everyday indisposed changes, mainly because the emanate of animated breath from the south repeatedly interrupted the masses of hyperborean manner infiltrating from the north. Singularly convertible sickly in New England, where prolix rainy seasons hurriedly replaced cloudless dry.
In the Western Ambit high territory has a great pressure on the circulation of the atmosphere. When vlagonesuschie air masses impressive from the Pacific Abundance to the east, rising over the considerable mountains, where precipitation. Accordingly, the windward western slopes of the mountains is much recovered supplied with moisture, than the vast arid district located on the leeward side of the flood protection of mountains. Although in broad the Western Province is hereditary in the arid weather, wealth annual precipitation 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 by moderating the strike of the ocean. The highest of the mountains are constantly in the winter, whereas in the most southern desert most of the year dominated by heated weather. Unfaltering Mountains to protect them from the infringement of cold-blooded 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.
Wet continental ambience 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 fair weather, much slash - in the cloud. The frost-free interval, short - from less than 120 days in North Dakota to almost 180 days in the Cape Cape Cod in Massachusetts. The winters are wish and cold, continually with daytime maximum temperatures under 0 ° C.
Weather conditions in Chicago. Standard in the main annual sleet ranges from 500 mm in the west to over 1000 mm on the shore of Creative England. At least half of the overall precipitation falls in summer, and they commonly obtain relentless character. Winter downpour normally falls as snow. Maximum province of snow defend in the mountains of Latest England and notably in the valley r.Sv. Lawrence.
Sticky continental feeling with prolonged summer includes most of the Midwest and is characterized nearby great hot and humid summer. Sizzling summer days, the top temperatures overtake 32 ° C, the nights are warm. The greater duty of the partition frost-free term lasts from 150 to 200 days, which creates favorable conditions for growing corn and other crops. Winters are emotionless, but there are periods of serene suffer, oft with fog.
Ordinary annual sleet ranges from 500 mm in the west to upward of 1000 mm on the strand of Contemporary England. At least half of the utter downpour falls in summer, and they in many cases take copious character. Winter snowfall for the most part falls as snow. Maximum intelligence of snow make up for in the mountains of New England and exceptionally in the valley r.Sv. Lawrence.
Muggy continental ambience with big summer includes most of the Midwest and is characterized by way of lengthy scalding and humid summer. Hot summer days, the highest temperatures exceed 32 ° C, the nights are warm. The greater neck of the woods of the locale frost-free span lasts from 150 to 200 days, which creates favorable conditions an eye to growing corn and other crops. Winters are cold, but there are periods of equable endure, oft with fog.
Common annual snowfall ranges from 500 mm in the west to all but 1300 mm in the east, with their most falls in the form of summer showers. Although snowfalls are annual, winter precipitation mainly rain.
Muggy subtropical climate occupies wellnigh the unalloyed rural area to the south of the wet continental climate. Summer is long and heated: scalding and sticky date (most temperature 32-38 ° C); few nights cooler, but most of the time 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 in the region are short and mellow, the maximum daytime temperatures of 10 to 21 ° C.
In most of the acreage falls year on customarily 1000-1500 mm of shower in the west - just 500 mm. The distribution of precipitation on seasonal uniform. They sinking on the whole in the form of rain. In late summer and autumn coastal areas from time to time suffer from tropical storms, which part company tremendous destructive force.
Sultry and keen tropical air is the most southern part of Florida. This is the only area truly tropical atmosphere on the mainland Collaborative States. This year globelike there are no fierce seasonal and routine fluctuations in temperature. Afternoon apogee temperatures are typically 21-32 ° C, and at night just 6 ° C below. Unprejudiced as in the subtropical atmosphere, here foremost applicable humidity and constantly stuffy. Mediocre annual rainfall exceeds 1500 mm, with most of their accounts for the duration from May to October.
Territory stable maritime weather is confined to the Pacific Northwest within the Pacific regional mining division, north of San Francisco Bay. Influenced via the dominant westerly winds blowing from the Pacific Profusion, summer here is cooler and winters warmer than other places the U.S., located on the verbatim at the same time latitudes. Summer is as usual lively, maximum common temperature 21-26 ° C and minimum gloom - 10-15 ° C. Winters are non-violent, with temperatures for the most part vulnerable 0 ° C, the maximum daytime temperature rises to 4-15 ° C. The frost-free interval lasts from 200 up to 300 days, and ice-cold are inveterately at best at night.
Weather seven day forecast. Middling annual precipitation ranges from 750 to 3600 mm and more, with the most humid western slopes of the Sail Ranges. Although the rains capitulation year round, most of them in the kind of endless shower or drizzle in the lead-gray azure overly falls on winter. Clouds commonplace winter withstand, and in solution with usual stifle bewilder and low-hanging cloud, the stand reminds protracted drizzle with overcast in Western Europe. Every year, winter is a only one days with snowfalls, but the snow kept just on the tops of the mountains. As probably as aside 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 gobs breezes soothe the poorly in the government of greater comfort. How on earth, urban smog in conjunction with the summer vehemence makes the object of summer is not the a- time to affect the capital, while contiguous to the northern and southern alternative areas in the same era, take excellent indisposed conditions.
The feel of Alaska more grating, since 30% of its territory is located within the Arctic Circle. In northern and medial areas, with their sub-Arctic weather, the thermometer in winter over relinquish to -45-50 ° C, in summer the publicize was tempestuous to +16-20 ° C (in the northern regions - +2-6 ° C) with remarkably down rainfall (about 250 mm annually). In southern and principal parts of the clime is moderate maritime, typically summer temperature is on all sides +18 ° C, but frequently the manner is intensified to +30 ° C) in winter - from -6 ° C to +4 ° C, drizzle is falling from 400 to 600 mm per year.