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Of like mind States of America located in the significant corner 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 Bay of Mexico Caribbean Plethora in the west and south-west - the Pacific Lots, the northern and north-west seashore 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 (quantity frame to the Bering Demanding and the Arctic shelf, the dissociate between the islands of Lesser and Gargantuan Diomede, connection to the Cooperative States and Russia, respectively, is only 4 km) and Cuba in the south-east (the border as the swell, the Straits of Florida, and on arrive, in the U.S. naval post at Guantanamo Bay, located entirely in Cuba).
The Hawaiian Islands are located in the central Pacific The drink flood, a distance of there 4000 km from the mainland. Uncountable archipelago territories, and in whole invent or another owned on the U.S., scattered across the waters of the Pacific and Atlantic oceans.
Second to the supervision of the United States is also a number of isle territories with distinguishable political stature (in each cause, it installs a separate bargain, backed by way of the conclusion of the federal authorities). These include the ait territory 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 total area of the native land is on every side 9,360,000 substantial meters. km (9,820,000 honourable meters. kms - with the islands and the Credit Territories).
Feeling and live through
Feeling USA is a abundant make of climatic conditions. At the substance of the native land drink identified two primary climatic dominion - East and West. The limits between them coincides with isohyet 500 mm and should be crudely along the meridian 100 ° W
Eastern region as a whole is characterized close to 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 main outset of rain - keen 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 aside latitude than the tallness of the exterior, and measure uniformly increased from north to south. As a result, terse summers in the north and intense in the south dream of and hot, and winters in the north has a long and nippy, in the south is short, and very warm.
Weather conditions in NY. Much of the eastern section subject to continuing weather changes, most of all because the rush of animated breath from the south repeatedly interrupted the masses of heatless with infiltrating from the north. Singularly unsettled climate ailing in New England, where wordy rainy seasons despatch replaced cloudless dry.
In the Western Tract high ground has a true pressure on the distribution of the atmosphere. When vlagonesuschie aerate masses heart-rending from the Pacific Abundance to the east, rising over the high mountains, where precipitation. Interest, the windward western slopes of the mountains is much crap-shooter supplied with moisture, than the never-ending arid area located on the leeward side of the rain shadow of mountains. Although in broad the Western Region is ingrained in the arid weather, mean annual precipitation ranges from less than 120 mm in the Sonora retribution to more than 2500 mm in some areas the Seaboard Ranges.
Temperatures in the western sector depends on latitude and altitude, and in coastal areas affected by moderating the import of the ocean. The highest of the mountains are constantly in the winter, whereas in the most southern jilt most of the year dominated via unpredictable intensify weather. Unvarying Mountains to defend them from the infringement of cold-blooded air 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.
Humid continental ambience with terse summers covers the northern states from North Dakota to Maine. Summer is dumpy and there is a amorous, daytime maximum temperatures (27-38 ° C) were observed in sunny weather, much slash - in the cloud. The frost-free interval, brief - from less than 120 days in North Dakota to about 180 days in the Ness Peninsula Cod in Massachusetts. The winters are long and cold, continually with daytime maximum temperatures below 0 ° C.
Weather now at Chicago. Normal annual sleet ranges from 500 mm in the west to over 1000 mm on the seaboard of Creative England. At least half of the overall showers falls in summer, and they time obtain rushing character. Winter downpour by falls as snow. Pinnacle province of snow extend over in the mountains of Latest England and firstly in the valley r.Sv. Lawrence.
Steamy continental climate with long summer includes most of the Midwest and is characterized by great hot and wet summer. Sweltering summer days, the crest temperatures overtake 32 ° C, the nights are warm. The greater in some measure of the section frost-free age lasts from 150 to 200 days, which creates favorable conditions in return growing corn and other crops. Winters are unheated, but there are periods of kind survive, again with fog.
Average annual rain ranges from 500 mm in the west to greater than 1000 mm on the strand of New England. At least half of the utter snow falls in summer, and they time after time take torrential character. Winter sleet as per usual falls as snow. Peak perceptiveness of snow cover in the mountains of Fresh England and above all in the valley r.Sv. Lawrence.
Soggy continental ambience with lengthy summer includes most of the Midwest and is characterized by way of lengthy hot and wet summer. Unpredictable intensify summer days, the superlative temperatures overwhelm 32 ° C, the nights are warm. The greater part of the neighbourhood frost-free space 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 mild endure, habitually with fog.
Average annual snowfall ranges from 500 mm in the west to nearly 1300 mm in the east, with their most falls in the construct of summer showers. Although snowfalls are annual, winter precipitation mainly rain.
Humid subtropical mood occupies almost the unalloyed country to the south of the muggy continental climate. Summer is long and sharp: scalding and sticky time (extreme temperature 32-38 ° C); scarcely any nights cooler, but usually not less wet. Frost-free period 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 concise and mellow, the superlative daytime temperatures of 10 to 21 ° C.
In most of the arrondissement falls year on norm 1000-1500 mm of rain in the west - just 500 mm. The dispersal of snow on seasonal uniform. They flop start on the whole in the form of rain. In up-to-date summer and autumn coastal areas then suffer from tropical storms, which part company tremendous critical force.
Sultry and keen tropical feeling is the most southern shard of Florida. This is the exclusively precinct truly tropical clime on the mainland In harmony States. This year down there are no fierce seasonal and diurnal fluctuations in temperature. Afternoon apogee temperatures are typically 21-32 ° C, and at night-time just 6 ° C below. Fair-minded as in the subtropical feeling, here foremost apropos comparative humidity and constantly stuffy. Average annual showers exceeds 1500 mm, with most of their accounts on the space from May to October.
District stable maritime weather is confined to the Pacific Northwest within the Pacific regional mining area, north of San Francisco Bay. Influenced by the prevailing westerly winds blowing from the Pacific The briny, 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 irritated, upper limit quotidian temperature 21-26 ° C and minimum night - 10-15 ° C. Winters are mild, with temperatures most often surpassing 0 ° C, the highest daytime temperature rises to 4-15 ° C. The frost-free while lasts from 200 up to 300 days, and chill are for the most part lone at night.
Weather conditions. Middling annual rainfall ranges from 750 to 3600 mm and more, with the most sultry western slopes of the Sea-coast Ranges. Although the rains dwindle year round, most of them in the decorum of continuous shower or drizzle in the lead-gray azure overly falls on winter. Clouds usual winter bear up against, and in aggregation with everyday brown study and fog, the ill reminds everlasting drizzle with darkened in Western Europe. Every year, winter is a some days with snowfalls, but the snow kept exclusive on the tops of the mountains. As decidedly as on the Pacific Ocean. August and September - the warmest months (+24-30 ° C), January and February - the most audacious (wide +12 ° C) and the wettest, but at any set, the profusion breezes soothe the weather in the direction of greater comfort. How on earth, urban smog in conjunction with the summer vehemence makes the end of summer is not the a- time to stop the metropolis, while abutting the northern and southern frequent areas in the identical era, take a number bear up against conditions.
The clime of Alaska sooner grating, since 30% of its territory is located within the Arctic Circle. In northern and inside areas, with their sub-Arctic feeling, the thermometer in winter over come by to -45-50 ° C, in summer the air was heated to +16-20 ° C (in the northern regions - +2-6 ° C) with extraordinarily muffled rainfall (anent 250 mm annually). In southern and central parts of the clime is equable maritime, typically summer temperature is around +18 ° C, but frequently the air is heated to +30 ° C) in winter - from -6 ° C to +4 ° C, drizzle is falling from 400 to 600 mm per year.