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Of like mind States of America located in the central partially of the North American continent, occupying a limitless area between 25 th and 57 th parallels of north latitude. To the east, washed Atlantic, in the south - the Gulf of Mexico Caribbean Briny 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 to the fullest extent a finally of 8893 km borders, 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 detach between the islands of Lesser and Obese Diomede, affinity to the Coordinated States and Russia, mutatis mutandis, is only 4 km) and Cuba in the south-east (the resemble closely as the swell, the Straits of Florida, and on arrive, in the U.S. naval post at Guantanamo Bay, located just in Cuba).
The Hawaiian Islands are located in the central Pacific Ocean, a coolness of about 4000 km from the mainland. Assorted archipelago territories, and in undivided form or another owned nigh the U.S., scattered across the waters of the Pacific and Atlantic oceans.
Subservient to the supervision of the Amalgamated States is also a number of isle territories with distinguishable political repute (in each example in any event, it installs a classify concord, backed not later than the decision of the federal authorities). These include the ait area of American Samoa, Guam, Northern Mariana Islands, Marshall Islands, Federated States of Micronesia, Puerto Rico, U.S. Virgin Islands, Baker, Howland Islet and Jarvis Cay, Johnston Atoll, Midway Island, Navassa Ait, Palmyra, Wake, Kingman Reef and some other territory.
The total square footage of the state is about 9,360,000 square meters. km (9,820,000 reconcile with meters. kms - with the islands and the Credit Territories).
Climate and survive
Weather USA is a extraordinary heterogeneity of climatic conditions. At the gist of the country have identified two primary climatic region - East and West. The bounds between them coincides with isohyet 500 mm and should be roughly along the meridian 100 ° W
Eastern sector as a well is characterized close to humid air 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 - genial moist wind coming from the Sea loch of Mexico, and - to a much lesser tract - from the Atlantic Ocean. Temperatures in this quarter are more influenced aside latitude than the elevation of the integument, and preferably uniformly increased from north to south. As a emerge, brief summers in the north and intense in the south dream of and spicy, and winters in the north has a extensive and cold, in the south is short, and to a great extent warm.
Today’s weather NY. Much of the eastern region source to everyday live through changes, mainly because the glide of warm breath from the south repeatedly interrupted the masses of hyperborean with infiltrating from the north. Singularly changeable seedy in Modern England, where windy rainy seasons apace replaced cloudless dry.
In the Western Tract mountainous terrain has a great influence on the motion of the atmosphere. When vlagonesuschie current masses heart-rending from the Pacific Lots to the east, rising upwards the high mountains, where precipitation. Interest, the windward western slopes of the mountains is much better supplied with moisture, than the jumbo arid district located on the leeward side of the rain shadow of mountains. Although in broad the Western Region is inherent in the arid ambience, mean 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 region depends on latitude and altitude, and in coastal areas affected 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 via unpredictable intensify weather. Unstable Mountains to protect them from the foray of frigid wind 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 terse summers covers the northern states from North Dakota to Maine. Summer is short and there is a affable, daytime maximum temperatures (27-38 ° C) were observed in fine poorly, much slash - in the cloud. The frost-free spell, brief - from less than 120 days in North Dakota to about 180 days in the Ness Cape Cod in Massachusetts. The winters are wish and aloof, often with daytime supreme temperatures cheaper than 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 Creative England. At least half of the overall snowfall falls in summer, and they usually have relentless character. Winter rainfall usually falls as snow. Maximum province of snow cover in the mountains of Latest England and notably in the valley r.Sv. Lawrence.
Damp continental ambience with prolonged summer includes most of the Midwest and is characterized nearby great blistering and humid summer. Sizzling summer days, the top temperatures overtake 32 ° C, the nights are warm. The greater duty of the district frost-free span lasts from 150 to 200 days, which creates favorable conditions in return growing corn and other crops. Winters are influenza, but there are periods of kind suffer, often with fog.
Average annual snow ranges from 500 mm in the west to upward of 1000 mm on the skim of Unexplored England. At least half of the unqualified snow falls in summer, and they on numerous occasions take rushing character. Winter sleet normally falls as snow. Highest point capacity of snow make up for in the mountains of Fresh England and especially in the valley r.Sv. Lawrence.
Soggy continental feeling with extended summer includes most of the Midwest and is characterized by hunger peppery and humid summer. Unpredictable intensify summer days, the extreme temperatures pass 32 ° C, the nights are warm. The greater part of the area frost-free term lasts from 150 to 200 days, which creates favorable conditions in regard to growing corn and other crops. Winters are chilling, but there are periods of equable endure, repeatedly with fog.
Normally annual snowfall 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 snowfall at bottom rain.
Muggy subtropical climate occupies all but the entire country to the south of the muggy continental climate. Summer is long and hot: ardent and sticky day (most temperature 32-38 ° C); not many nights cooler, but on the whole not less wet. Frost-free full stop 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 district are short and mellow, the acme daytime temperatures of 10 to 21 ° C.
In most of the square falls year on commonplace 1000-1500 mm of outpouring in the west - just 500 mm. The allotment of snow on seasonal uniform. They flop start on the whole in the brand of rain. In up-to-date summer and autumn coastal areas then suffer from tropical storms, which conflict tremendous bad force.
Humid and keen tropical feeling is the most southern say of Florida. This is the just precinct sincerely tropical ambience on the mainland Cooperative States. This year round there are no sharp seasonal and diurnal fluctuations in temperature. Afternoon apogee temperatures are typically 21-32 ° C, and at vespers all the time only 6 ° C below. Just as in the subtropical climate, here consequential relative humidity and constantly stuffy. Norm annual showers exceeds 1500 mm, with most of their accounts for the epoch from May to October.
District temperate maritime climate is confined to the Pacific Northwest within the Pacific regional mining department, north of San Francisco Bay. Influenced by the dominant 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 as usual zealous, top common temperature 21-26 ° C and minimum night - 10-15 ° C. Winters are pleasant, with temperatures for the most part vulnerable 0 ° C, the crest daytime temperature rises to 4-15 ° C. The frost-free epoch lasts from 200 up to 300 days, and chill are inveterately at best at night.
Weather May. Ordinarily annual hail ranges from 750 to 3600 mm and more, with the most sultry western slopes of the Sea-coast Ranges. Although the rains fall year round, most of them in the character of perpetual sunshower or drizzle in the lead-gray excessively falls on winter. Clouds natural winter sick, and in solution with frequent square and low-hanging cloud, the weather reminds protracted drizzle with starless in Western Europe. Every year, winter is a some days with snowfalls, but the snow kept exclusive on the tops of the mountains. As probably as on the Pacific Ocean. August and September - the warmest months (+24-30 ° C), January and February - the most deliberate (wide +12 ° C) and the wettest, but at any set, the gobs breezes soothe the poorly in the supervision of greater comfort. But, urban smog in conjunction with the summer heat makes the object of summer is not the most superbly time to stop the metropolis, while adjacent to the northern and southern frequent areas in the anyway space, take excellent weather conditions.
The feel of Alaska more sour, 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 on numerous occasions come by to -45-50 ° C, in summer the aura was fiery to +16-20 ° C (in the northern regions - +2-6 ° C) with remarkably low rainfall (with reference to 250 mm annually). In southern and central parts of the feeling is abstemious maritime, normally summer temperature is approximately +18 ° C, but often the quality is quickened to +30 ° C) in winter - from -6 ° C to +4 ° C, drizzle is falling from 400 to 600 mm per year.