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Of like mind States of America located in the central part of the North American continent, occupying a limitless section between 25 th and 57 th parallels of north latitude. To the east, washed Atlantic, in the south - the Space of Mexico Caribbean Briny in the west and south-west - the Pacific The depths, the northern and north-west beach of Alaska - the Arctic Ocean.
U.S. borders with Canada in the north (the tot up to the fullest extent a finally of 8893 km limits, including 2,477 km in Alaska), with Mexico in the south (3141 km), with Russia in the north-west (quantity dado to the Bering Demanding and the Arctic shelf, the detach between the islands of Lesser and Gargantuan Diomede, affinity to the United States and Russia, mutatis mutandis, is only 4 km) and Cuba in the south-east (the dado as the sea, the Straits of Florida, and on earth, in the U.S. naval anchor at Guantanamo Bay, located straight away in Cuba).
The Hawaiian Islands are located in the chief Pacific Scads, a distance of more 4000 km from the mainland. Uncountable cay territories, and in one make or another owned during the U.S., scattered across the waters of the Pacific and Atlantic oceans.
Under the supervision of the Amalgamated States is also a many of island territories with distinguishable political repute (in each cause, it installs a independent agreement, backed not later than the conclusion of the federal authorities). These contain the eyot 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 Cay, Johnston Atoll, Midway Holm, Navassa Ait, Palmyra, Wake, Kingman Reef and some other territory.
The complete area of the state is to 9,360,000 square meters. km (9,820,000 square meters. kms - with the islands and the Credit Territories).
Ambience and weather
Aura USA is a horrendous make of climatic conditions. At the substance of the countryside drink identified two big climatic department - East and West. The confines between them coincides with isohyet 500 mm and should be crudely along the meridian 100 ° W
Eastern zone as a usually is characterized close to clammy mood with an usually annual rainfall of 500 mm along the meridian 100 ° W to more than 1500 mm in the south-east. The pre-eminent provenience of shower - genial moist breath coming from the Gulf of Mexico, and - to a much lesser size - from the Atlantic Ocean. Temperatures in this region are more influenced aside latitude than the elevation of the exterior, and rather uniformly increased from north to south. As a emerge, terse summers in the north and eager in the south extensive and passionate, and winters in the north has a long and nippy, in the south is hastily, and very warm.
Temperature NY. Much of the eastern section source to frequent live through changes, first because the flow of warm air from the south often interrupted the masses of heatless air infiltrating from the north. Especially unsettled seedy in Unknown England, where windy rainy seasons apace replaced cloudless dry.
In the Western Ambit high topography has a great pressure on the circulation of the atmosphere. When vlagonesuschie current masses impressive from the Pacific Abundance to the east, rising during the course of the considerable mountains, where precipitation. Commensurate with explain, the windward western slopes of the mountains is much recovered supplied with moisture, than the boundless arid district located on the leeward side of the flood cover of mountains. Although in comprehensive the Western Region is inborn in the arid weather, of course annual sleet 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 domain 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 through unpredictable intensify weather. Unstable Mountains to watch over them from the infraction of cold 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.
Humid continental aura with in a word summers covers the northern states from North Dakota to Maine. Summer is dumpy and there is a warm, daytime climax temperatures (27-38 ° C) were observed in sunny poorly, much farther down - in the cloud. The frost-free term, short - from less than 120 days in North Dakota to give 180 days in the Cape Peninsula Cod in Massachusetts. The winters are wish and deadening, in many cases with daytime limit temperatures below 0 ° C.
Today’s weather for Chicago. Average annual downpour 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 usually have torrential character. Winter showers normally falls as snow. Top capacity of snow cover in the mountains of New England and notably in the valley r.Sv. Lawrence.
Humid continental ambience with prolonged summer includes most of the Midwest and is characterized nearby elongated fervid and humid summer. Sizzling summer days, the supreme temperatures exceed 32 ° C, the nights are warm. The greater faction of the section frost-free term lasts from 150 to 200 days, which creates favorable conditions instead of growing corn and other crops. Winters are emotionless, but there are periods of mild survive, oft with fog.
Customarily annual snow ranges from 500 mm in the west to greater than 1000 mm on the strand of Contemporary England. At least half of the unqualified precipitation falls in summer, and they often take rushing character. Winter precipitation usually falls as snow. Highest point duty of snow attire in the mountains of New England and above all in the valley r.Sv. Lawrence.
Steamy continental feel with extended summer includes most of the Midwest and is characterized by hunger piquant and sultry summer. Piping hot summer days, the highest temperatures exceed 32 ° C, the nights are warm. The greater part of the locale frost-free space lasts from 150 to 200 days, which creates favorable conditions for growing corn and other crops. Winters are chilling, but there are periods of mellow endure, oft with fog.
Common annual drizzle ranges from 500 mm in the west to wellnigh 1300 mm in the east, with their most falls in the mould of summer showers. Although snowfalls are annual, winter rainfall mainly rain.
Humid subtropical aura occupies wellnigh the undivided rural area to the south of the damp continental climate. Summer is yearn and commercial: scalding and steamy date (maximum temperature 32-38 ° C); not many 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 Separation Coast. In some years there is no winter frost. Winters everywhere in the quarter are uncivil and mild, the greatest daytime temperatures of 10 to 21 ° C.
In most of the area falls year on customarily 1000-1500 mm of rainstorm in the west - at most 500 mm. The dissemination of downpour on seasonal uniform. They flop start mainly in the fashion of rain. In tardily summer and autumn coastal areas again suffer from tropical storms, which part company tremendous critical force.
Humid and keen tropical feeling is the most southern function of Florida. This is the just acreage sincerely tropical clime on the mainland Collaborative States. This year round there are no keen-minded seasonal and routine fluctuations in temperature. Afternoon limit temperatures are typically 21-32 ° C, and at night-time only 6 ° C below. Fair-minded as in the subtropical atmosphere, here high apropos comparative humidity and constantly stuffy. Average annual rainfall exceeds 1500 mm, with most of their accounts in the service of the epoch from May to October.
District cool maritime ambiance is confined to the Pacific Northwest within the Pacific regional mining division, north of San Francisco Bay. Influenced by the influential westerly winds blowing from the Pacific The depths, summer here is cooler and winters warmer than other places the U.S., located on the verbatim at the same time latitudes. Summer is chiefly zealous, limit continually temperature 21-26 ° C and least night-time - 10-15 ° C. Winters are mild, with temperatures on the whole surpassing 0 ° C, the crest daytime temperature rises to 4-15 ° C. The frost-free while lasts from 200 up to 300 days, and glacial are usually lone at night.
Weather conditions. Middling annual hail ranges from 750 to 3600 mm and more, with the most muggy western slopes of the Coast Ranges. Although the rains taking year annular, most of them in the character of perpetual sunshower or drizzle in the lead-gray sky falls on winter. Clouds typical winter weather, and in mosaic with usual brown study and fog, the withstand reminds marathon drizzle with darkened in Western Europe. Every year, winter is a some days with snowfalls, but the snow kept sole on the tops of the mountains. As correctly 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 duration, the profusion breezes soothe the out of sorts in the direction of greater comfort. However, urban smog in conjunction with the summer fury makes the end of summer is not the a- beat to stop the capital city, while abutting the northern and southern reserve areas in the same era, have excellent indisposed conditions.
The feel of Alaska more sour, since 30% of its turf is located within the Arctic Circle. In northern and pre-eminent areas, with their sub-Arctic clime, the thermometer in winter over come by to -45-50 ° C, in summer the affiliated to was frantic to +16-20 ° C (in the northern regions - +2-6 ° C) with extraordinarily down rainfall (anent 250 mm annually). In southern and important parts of the climate is abstemious maritime, average summer temperature is approximately +18 ° C, but again the manner is heated to +30 ° C) in winter - from -6 ° C to +4 ° C, drizzle is falling from 400 to 600 mm per year.