Articles directories WisetrendsSubmit articles or find free articles

Unified States of America located in the leading corner of the North American continent, occupying a vast area 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 Lots, the northern and north-west seashore of Alaska - the Arctic Ocean.
U.S. borders with Canada in the north (the total 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 dado to the Bering Strait and the Arctic shelf, the distance between the islands of Lesser and Obese Diomede, association to the United States and Russia, separately, is solely 4 km) and Cuba in the south-east (the resemble closely as the sea, the Straits of Florida, and on land, in the U.S. naval headquarter at Guantanamo Bay, located directly in Cuba).
The Hawaiian Islands are located in the dominant Pacific Scads, a mileage of more 4000 km from the mainland. Uncountable archipelago territories, and in undivided make or another owned by the U.S., scattered across the waters of the Pacific and Atlantic oceans.
Under the supervision of the Amalgamated States is also a number of island territories with other public repute (in each case, it installs a classify pact, backed by the firmness of the federal authorities). These contain the islet territory of American Samoa, Guam, Northern Mariana Islands, Marshall Islands, Federated States of Micronesia, Puerto Rico, U.S. Virgin Islands, Baker, Howland Islet and Jarvis Eyot, Johnston Atoll, Midway Atoll, Navassa Key, 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).
Aura and live through
Weather USA is a great make of climatic conditions. At the gist of the native land be experiencing identified two major climatic department - East and West. The limits between them coincides with isohyet 500 mm and should be unsympathetically along the meridian 100 ° W
Eastern zone as a well is characterized close to clammy mood with an as a rule annual rainfall of 500 mm along the meridian 100 ° W to more than 1500 mm in the south-east. The cardinal beginning of shower - genial foggy air coming from the Opening of Mexico, and - to a much lesser extent - from the Atlantic Ocean. Temperatures in this tract are more influenced by latitude than the elevation of the face, and measure uniformly increased from north to south. As a consequence, terse summers in the north and eager in the south protracted and passionate, and winters in the north has a long and chill, in the south is hastily, and to a great extent warm.
10 forecast New York. Much of the eastern jurisdiction vassal exposed to to frequent weather changes, for all practical purposes because the emanate of animated air from the south ordinarily interrupted the masses of numbing allied infiltrating from the north. Notably convertible seedy in Late England, where wordy rainy seasons hurriedly replaced cloudless dry.
In the Western Region mountainous territory has a celebrated pressurize on the distribution of the atmosphere. When vlagonesuschie current masses moving from the Pacific Ocean to the east, rising during the course of the momentous mountains, where precipitation. Accordingly, the windward western slopes of the mountains is much better supplied with moisture, than the never-ending arid district located on the leeward side of the shower protection of mountains. Although in comprehensive the Western Locality is inherent in the arid weather, of course annual showers ranges from less than 120 mm in the Sonora barren to more than 2500 mm in some areas the Coast Ranges.
Temperatures in the western ambit depends on latitude and altitude, and in coastal areas counterfeit close moderating the impact of the ocean. The highest of the mountains are constantly in the winter, whereas in the most southern desolate most of the year dominated via unpredictable intensify weather. Unstable Mountains to conserve them from the foray 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 ambiance with short summers covers the northern states from North Dakota to Maine. Summer is dumpy and there is a affable, daytime apogee temperatures (27-38 ° C) were observed in brilliant climate ailing, much farther down - in the cloud. The frost-free period, short - from less than 120 days in North Dakota to about 180 days in the Cape Peninsula Cod in Massachusetts. The winters are large and cold, in many cases with daytime extreme temperatures lower 0 ° C.
Weather for Chicago. Typical annual sleet ranges from 500 mm in the west to during the course of 1000 mm on the strand of New England. At least half of the whole snowfall falls in summer, and they usually bear torrential character. Winter showers normally falls as snow. Top province of snow defend in the mountains of Latest England and notably in the valley r.Sv. Lawrence.
Damp continental climate with crave summer includes most of the Midwest and is characterized on elongated lustful and humid summer. Acrid summer days, the top temperatures overstep 32 ° C, the nights are warm. The greater faction of the division frost-free age 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 poorly, often with fog.
Ordinary annual precipitation ranges from 500 mm in the west to greater than 1000 mm on the slide of Unusual England. At least half of the mount up to snow falls in summer, and they time after time give birth to rushing character. Winter snowfall usually falls as snow. Peak duty of snow cover in the mountains of Unfamiliar England and above all in the valley r.Sv. Lawrence.
Humid continental climate with extended summer includes most of the Midwest and is characterized past hunger hot and sultry summer. Hot summer days, the highest temperatures better 32 ° C, the nights are warm. The greater some of the district frost-free span lasts from 150 to 200 days, which creates favorable conditions an eye to growing corn and other crops. Winters are chilling, but there are periods of mild endure, repeatedly with fog.
Normally annual drizzle 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 snowfall primarily rain.
Muggy subtropical aura occupies wellnigh the entire country to the south of the wet continental climate. Summer is long and hot: scalding and muggy period (maximum temperature 32-38 ° C); scarcely any nights cooler, but as a rule not less wet. Frost-free term lasts 200 days in the north to more than 300 days on the Split Coast. In some years there is no winter frost. Winters wholly the quarter are epigrammatic and mellow, the superlative daytime temperatures of 10 to 21 ° C.
In most of the area falls year on average 1000-1500 mm of rain in the west - no greater than 500 mm. The dispersal of downpour on seasonal uniform. They flop start in general in the brand of rain. In late 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 say of Florida. This is the only precinct in reality tropical clime on the mainland United States. This year round there are no trenchant seasonal and day after day fluctuations in temperature. Afternoon zenith temperatures are typically 21-32 ° C, and at night barely 6 ° C below. Fair-minded as in the subtropical feeling, here high conditioned by humidity and constantly stuffy. Norm annual rain exceeds 1500 mm, with most of their accounts in the service of the epoch from May to October.
District not excessive maritime climate is confined to the Pacific Northwest within the Pacific regional mining division, north of San Francisco Bay. Influenced next to 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 for all that latitudes. Summer is chiefly lively, limit continually temperature 21-26 ° C and minimum night - 10-15 ° C. Winters are mild, with temperatures on the whole vulnerable 0 ° C, the crest daytime temperature rises to 4-15 ° C. The frost-free interval lasts from 200 up to 300 days, and chill are inveterately at best at night.
Weather today. Average annual hail ranges from 750 to 3600 mm and more, with the most sticky western slopes of the Sea-coast Ranges. Although the rains dwindle year round, most of them in the character of endless shower or drizzle in the lead-gray sky falls on winter. Clouds commonplace winter sick, and in aggregation with persistent square and fog, the ill reminds prolonged drizzle with starless in Western Europe. Every year, winter is a few days with snowfalls, but the snow kept sole on the tops of the mountains. As probably as close to the Pacific Ocean. August and September - the warmest months (+24-30 ° C), January and February - the most deliberate (about +12 ° C) and the wettest, but at any set, the profusion breezes soothe the out of sorts in the administration of greater comfort. On the other hand, urban smog in conjunction with the summer warmth makes the object of summer is not the most superbly beat to stop the capital city, while adjacent to the northern and southern reserve areas in the unmodified duration, organize without equal weather conditions.
The clime of Alaska rather 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 drop to -45-50 ° C, in summer the affiliated to was heated to +16-20 ° C (in the northern regions - +2-6 ° C) with remarkably low rainfall (anent 250 mm annually). In southern and principal parts of the clime is abstemious maritime, normally summer temperature is approximately +18 ° C, but frequently the flavour is quickened to +30 ° C) in winter - from -6 ° C to +4 ° C, drizzle is falling from 400 to 600 mm per year.