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Of like mind States of America located in the central corner 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 Deep of Mexico Caribbean Flood in the west and south-west - the Pacific Ocean, the northern and north-west coast 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 border to the Bering Demanding and the Arctic shelf, the dissociate between the islands of Lesser and Big Diomede, association to the Cooperative States and Russia, separately, is only 4 km) and Cuba in the south-east (the resemble closely as the sea, the Straits of Florida, and on arrive, in the U.S. naval headquarter at Guantanamo Bay, located just in Cuba).
The Hawaiian Islands are located in the chief Pacific Davy jones’s locker, a distance of more 4000 km from the mainland. Assorted island territories, and in whole form 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 thousand of island territories with different public station (in each case, it installs a classify bargain, backed by way of the conclusion of the federal authorities). These involve the island territory of American Samoa, Guam, Northern Mariana Islands, Marshall Islands, Federated States of Micronesia, Puerto Rico, U.S. Virgin Islands, Baker, Howland Atoll and Jarvis Island, Johnston Atoll, Midway Atoll, Navassa Island, Palmyra, Wake, Kingman Reef and some other territory.
The complete parade of the mother country is about 9,360,000 square meters. km (9,820,000 cubed meters. kms - with the islands and the Guardianship Territories).
Climate and live through
Climate USA is a abundant variety of climatic conditions. At the insides of the nation induce identified two main climatic dominion - East and West. The bounds between them coincides with isohyet 500 mm and should be roughly along the meridian 100 ° W
Eastern region as a whole is characterized during wet weather with an commonplace annual rainfall of 500 mm along the meridian 100 ° W to more than 1500 mm in the south-east. The cardinal outset of shower - pleasant foggy air coming from the Gulf of Mexico, and - to a much lesser extent - from the Atlantic Ocean. Temperatures in this tract are more influenced around latitude than the pinnacle of the face, and measure uniformly increased from north to south. As a conclude, brief summers in the north and intense in the south dream of and spicy, and winters in the north has a extensive and bitter, in the south is hastily, and dialect right warm.
Weather now for NY. Much of the eastern region source to continuing suffer changes, for all practical purposes because the emanate of warm aura from the south much interrupted the masses of hyperborean with infiltrating from the north. Especially changeable seedy in Unknown England, where windy rainy seasons hurriedly replaced cloudless dry.
In the Western Region mountainous ground has a great influence on the distribution of the atmosphere. When vlagonesuschie air masses impressive from the Pacific Lots to the east, rising more than the high mountains, where precipitation. Accordingly, the windward western slopes of the mountains is much crap-shooter supplied with moisture, than the boundless arid district located on the leeward side of the shower cover of mountains. Although in unspecific the Western Province is inherent in the arid milieu, positively b in any event annual precipitation ranges from less than 120 mm in the Sonora desert to more than 2500 mm in some areas the Coast Ranges.
Temperatures in the western sector depends on latitude and altitude, and in coastal areas affected close 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 heated weather. Unvarying Mountains to conserve them from the infringement 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 locality and seven - in the West.
Wet continental ambiance with terse summers covers the northern states from North Dakota to Maine. Summer is short and there is a impassioned, daytime climax temperatures (27-38 ° C) were observed in sunny weather, much lower - in the cloud. The frost-free period, short - from less than 120 days in North Dakota to approximately 180 days in the Point Peninsula Cod in Massachusetts. The winters are large and cold, again with daytime extreme temperatures cheaper than 0 ° C.
Temperature Chicago. Standard in the main annual rainfall ranges from 500 mm in the west to over 1000 mm on the coast of Creative England. At least half of the total precipitation falls in summer, and they time oblige torrential character. Winter precipitation inveterately falls as snow. Greatest gift of snow extend over in the mountains of New England and notably in the valley r.Sv. Lawrence.
Steamy continental ambience with extensive summer includes most of the Midwest and is characterized nearby elongated fervid and sultry summer. Sizzling summer days, the crest temperatures beat 32 ° C, the nights are warm. The greater in some measure of the section frost-free span lasts from 150 to 200 days, which creates favorable conditions instead of growing corn and other crops. Winters are influenza, but there are periods of serene survive, oft with fog.
General annual snow ranges from 500 mm in the west to over and above 1000 mm on the skim of New England. At least half of the unqualified precipitation falls in summer, and they on numerous occasions take torrential character. Winter precipitation usually falls as snow. Maximal capacity of snow make up for in the mountains of New England and especially in the valley r.Sv. Lawrence.
Steamy continental climate with big summer includes most of the Midwest and is characterized by lengthy piquant and humid summer. Sharp summer days, the superlative temperatures better 32 ° C, the nights are warm. The greater part of the area frost-free space lasts from 150 to 200 days, which creates favorable conditions for growing corn and other crops. Winters are cold, but there are periods of mild indisposed, habitually with fog.
Customarily annual precipitation ranges from 500 mm in the west to all but 1300 mm in the east, with their most falls in the physique of summer showers. Although snowfalls are annual, winter precipitation essentially rain.
Humid subtropical mood occupies all but the undivided country to the south of the muggy continental climate. Summer is long and commercial: torrid and muggy day (limit temperature 32-38 ° C); scarcely any nights cooler, but as a rule 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 wholly the district are uncivil and mellow, the maximum daytime temperatures of 10 to 21 ° C.
In most of the area falls year on customarily 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 brand of rain. In tardy summer and autumn coastal areas then suffer from tropical storms, which differ tremendous critical force.
Humid and sizzling tropical climate is the most southern say of Florida. This is the one area sincerely tropical atmosphere on the mainland United States. This year straightforward there are no sharp seasonal and diurnal 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 dear relative humidity and constantly stuffy. Mediocre annual rainfall exceeds 1500 mm, with most of their accounts on the epoch from May to October.
District cool maritime aura is confined to the Pacific Northwest within the Pacific regional mining department, north of San Francisco Bay. Influenced through the prevailing 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 on the whole lively, limit common temperature 21-26 ° C and minimum night - 10-15 ° C. Winters are pleasant, with temperatures most often above 0 ° C, the highest daytime temperature rises to 4-15 ° C. The frost-free period lasts from 200 up to 300 days, and chill are usually at best at night.
Weather 7 day. Middling annual rainfall ranges from 750 to 3600 mm and more, with the most sticky western slopes of the Glide Ranges. Although the rains taking year about, most of them in the decorum of endless volley or drizzle in the lead-gray empyrean falls on winter. Clouds natural winter sick, and in combination with everyday stifle bewilder and fog, the weather reminds marathon drizzle with overcast in Western Europe. Every year, winter is a some days with snowfalls, but the snow kept only 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 cool (wide +12 ° C) and the wettest, but at any duration, the gobs breezes soothe the out of sorts in the administration of greater comfort. But, urban smog in conjunction with the summer heat makes the object of summer is not the outwit time to affect the capital, while contiguous to the northern and southern reserve areas in the identical duration, have without equal weather conditions.
The clime of Alaska sooner bleak, since 30% of its stamping-ground is located within the Arctic Circle. In northern and pre-eminent areas, with their sub-Arctic feeling, the thermometer in winter over again relinquish to -45-50 ° C, in summer the publicize was heated to +16-20 ° C (in the northern regions - +2-6 ° C) with sheerest down rainfall (with reference to 250 mm annually). In southern and central parts of the clime is equable maritime, normally summer temperature is on all sides +18 ° C, but often the quality is heated to +30 ° C) in winter - from -6 ° C to +4 ° C, drizzle is falling from 400 to 600 mm per year.