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Unified States of America located in the prime partially of the North American continent, occupying a limitless arrondissement between 25 th and 57 th parallels of north latitude. To the east, washed Atlantic, in the south - the Bay of Mexico Caribbean Flood in the west and south-west - the Pacific Ocean, the northern and north-west beach 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 (quantity dado to the Bering Narrow and the Arctic shelf, the dissociate between the islands of Lesser and Big Diomede, connection to the Coordinated States and Russia, severally, is just 4 km) and Cuba in the south-east (the dado as the breaker, the Straits of Florida, and on arrive, in the U.S. naval anchor at Guantanamo Bay, located just in Cuba).
The Hawaiian Islands are located in the main Pacific Davy jones’s locker, a haughtiness of more 4000 km from the mainland. Varied holm territories, and in whole bearing or another owned nigh the U.S., scattered across the waters of the Pacific and Atlantic oceans.
Out of sight the supervision of the Synergetic States is also a number of eyot territories with distinguishable bureaucratic stature (in each cause, it installs a classify bargain, backed not later than the conclusion of the federal authorities). These contain the ait turf of American Samoa, Guam, Northern Mariana Islands, Marshall Islands, Federated States of Micronesia, Puerto Rico, U.S. Virgin Islands, Baker, Howland Islet and Jarvis Island, Johnston Atoll, Midway Atoll, Navassa Island, Palmyra, Wake, Kingman Reef and some other territory.
The gross parade of the country is about 9,360,000 even meters. km (9,820,000 reconcile with meters. kms - with the islands and the Guardianship Territories).
Feeling and live through
Climate USA is a abundant heterogeneity of climatic conditions. At the substance of the countryside drink identified two primary climatic department - East and West. The boundary between them coincides with isohyet 500 mm and should be unsympathetically along the meridian 100 ° W
Eastern region as a whole is characterized during humid 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 provenience of outpouring - warm foggy breath coming from the Gulf of Mexico, and - to a much lesser tract - from the Atlantic Ocean. Temperatures in this tract are more influenced by latitude than the elevation of the surface, and to a certain extent uniformly increased from north to south. As a consequence, brief summers in the north and warm in the south extensive and acrid, and winters in the north has a extensive and cold, in the south is excluding, and exact warm.
Temperature for NY. Much of the eastern jurisdiction subject to frequent indisposed changes, mainly because the rush of vexed aura from the south much interrupted the masses of cold allied infiltrating from the north. Singularly unsettled weather in Modern England, where windy rainy seasons hurriedly replaced cloudless dry.
In the Western Region mountainous terrain has a celebrated change on the motion of the atmosphere. When vlagonesuschie reveal masses heart-rending from the Pacific Lots to the east, rising more than the great mountains, where precipitation. Interest, the windward western slopes of the mountains is much think twice supplied with moisture, than the jumbo arid area located on the leeward side of the rain cover of mountains. Although in unspecific the Western Locality is hereditary in the arid milieu, positively b in any event annual snow ranges from less than 120 mm in the Sonora barren to more than 2500 mm in some areas the Seaboard Ranges.
Temperatures in the western ambit depends on latitude and altitude, and in coastal areas studied by moderating the import of the ocean. The highest of the mountains are constantly in the winter, whereas in the most southern empty most of the year dominated by hot weather. Unstable Mountains to protect them from the invasion of distant air 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.
Steamy continental aura with short summers covers the northern states from North Dakota to Maine. Summer is short and there is a affable, daytime apogee temperatures (27-38 ° C) were observed in fair poorly, much slash - in the cloud. The frost-free interval, short - from less than 120 days in North Dakota to about 180 days in the Promontory Headland Cod in Massachusetts. The winters are crave and cold, again with daytime maximum temperatures cheaper than 0 ° C.
Weather now in Chicago. Typical annual sleet ranges from 500 mm in the west to during the course of 1000 mm on the shore of Modern England. At least half of the overall precipitation falls in summer, and they often oblige vociferous character. Winter rainfall by falls as snow. Maximum gift of snow extend over in the mountains of New England and firstly in the valley r.Sv. Lawrence.
Damp continental clime with crave summer includes most of the Midwest and is characterized nearby great lustful and sultry summer. Sweltering summer days, the supreme temperatures overstep 32 ° C, the nights are warm. The greater part of the section frost-free term lasts from 150 to 200 days, which creates favorable conditions also in behalf of growing corn and other crops. Winters are unheated, but there are periods of mild weather, often with fog.
Average annual rain ranges from 500 mm in the west to upward of 1000 mm on the coast of Unexplored England. At least half of the total precipitation falls in summer, and they time after time take rushing character. Winter precipitation for the most part falls as snow. Maximal duty of snow enclose in the mountains of New England and remarkably in the valley r.Sv. Lawrence.
Muggy continental feeling with long summer includes most of the Midwest and is characterized by way of protracted peppery and humid summer. Hot summer days, the maximum temperatures exceed 32 ° C, the nights are warm. The greater neck of the woods of the neighbourhood frost-free term lasts from 150 to 200 days, which creates favorable conditions in regard to growing corn and other crops. Winters are discouraging, but there are periods of equable endure, habitually with fog.
Customarily annual snowfall ranges from 500 mm in the west to more 1300 mm in the east, with their most falls in the physique of summer showers. Although snowfalls are annual, winter snowfall essentially rain.
Damp subtropical climate occupies wellnigh the entire countryside to the south of the humid continental climate. Summer is yearn and sharp: hot and muggy day (maximum temperature 32-38 ° C); few nights cooler, but as a rule 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 the sphere are epigrammatic and mellow, the acme daytime temperatures of 10 to 21 ° C.
In most of the area falls year on norm 1000-1500 mm of shower in the west - just 500 mm. The dispersal of snow on seasonal uniform. They fall in general in the brand of rain. In tardily summer and autumn coastal areas from time to time suffer from tropical storms, which part company tremendous critical force.
Moist and hot tropical air is the most southern shard of Florida. This is the one area sincerely tropical atmosphere on the mainland United States. This year straightforward there are no keen-minded seasonal and routine fluctuations in temperature. Afternoon limit temperatures are typically 21-32 ° C, and at gloaming only 6 ° C below. Just as in the subtropical climate, here high applicable humidity and constantly stuffy. Normally annual showers exceeds 1500 mm, with most of their accounts on the period from May to October.
Territory temperate maritime ambiance is confined to the Pacific Northwest within the Pacific regional mining division, north of San Francisco Bay. Influenced via 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 chiefly lively, maximum daily temperature 21-26 ° C and nadir night - 10-15 ° C. Winters are pleasant, with temperatures most often exposed to 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 normally at best at night.
Weather May. Average annual precipitation ranges from 750 to 3600 mm and more, with the most muggy western slopes of the Glide Ranges. Although the rains taking year annular, most of them in the decorum of perpetual rain or drizzle in the lead-gray azure overly falls on winter. Clouds commonplace winter sick, and in mosaic with everyday brown study and fog, the ill reminds everlasting drizzle with overcast in Western Europe. Every year, winter is a some days with snowfalls, but the snow kept exclusive on the tops of the mountains. As correctly as by the Pacific Ocean. August and September - the warmest months (+24-30 ° C), January and February - the most deliberate (with respect to +12 ° C) and the wettest, but at any chance, the gobs breezes soothe the weather in the government of greater comfort. But, urban smog in conjunction with the summer heat makes the end of summer is not the best point to by the capital city, while adjacent to the northern and southern resort areas in the identical period, take without equal out of sorts conditions.
The feel of Alaska sooner grating, since 30% of its turf is located within the Arctic Circle. In northern and central areas, with their sub-Arctic clime, the thermometer in winter over again come by to -45-50 ° C, in summer the aura was fiery to +16-20 ° C (in the northern regions - +2-6 ° C) with extraordinarily low rainfall (about 250 mm annually). In southern and important parts of the clime is abstemious maritime, mean summer temperature is approximately +18 ° C, but frequently 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.