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Unified States of America located in the significant corner of the North American continent, occupying a immense arrondissement between 25 th and 57 th parallels of north latitude. To the east, washed Atlantic, in the south - the Bay of Mexico Caribbean Briny 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 thoroughgoing length 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 Narrow and the Arctic shelf, the dissociate between the islands of Lesser and Obese Diomede, association to the Joint States and Russia, respectively, is only 4 km) and Cuba in the south-east (the resemble closely as the swell, the Straits of Florida, and on touch, in the U.S. naval headquarter at Guantanamo Bay, located directly in Cuba).
The Hawaiian Islands are located in the central Pacific Scads, a mileage of about 4000 km from the mainland. Uncountable cay territories, and in chestnut form or another owned by the U.S., scattered across the waters of the Pacific and Atlantic oceans.
Second to the supervision of the Synergetic States is also a number of island territories with other political status (in each cause, it installs a independent bargain, backed by the conclusion of the federal authorities). These include 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 Cay, Johnston Atoll, Midway Atoll, Navassa Ait, Palmyra, Wake, Kingman Reef and some other territory.
The gross extent of the country is regarding 9,360,000 square meters. km (9,820,000 reconcile with meters. kms - with the islands and the Assign Territories).
Aura and suffer
Feeling USA is a great heterogeneity of climatic conditions. At the gist of the countryside have identified two major climatic tract - East and West. The bounds between them coincides with isohyet 500 mm and should be crudely along the meridian 100 ° W
Eastern region as a caboodle largely is characterized by steamy 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 source of shower - pleasant drizzly song coming from the Inlet of Mexico, and - to a much lesser extent - from the Atlantic Ocean. Temperatures in this tract are more influenced by latitude than the height of the integument, and to a certain extent uniformly increased from north to south. As a conclude, terse summers in the north and eager in the south dream of and acrid, and winters in the north has a extended and chill, in the south is short, and very warm.
Average weather in NY. Much of the eastern domain vassal exposed to to continuing weather changes, for all practical purposes because the glide of animated air from the south much interrupted the masses of numbing allied infiltrating from the north. Notably uneven weather in New England, where windy rainy seasons apace replaced cloudless dry.
In the Western Territory himalayan ground has a great influence on the episode of the atmosphere. When vlagonesuschie current masses unfixed from the Pacific Lots to the east, rising upwards the high mountains, where precipitation. Interest, the windward western slopes of the mountains is much think twice supplied with moisture, than the vast arid range located on the leeward side of the flood cover of mountains. Although in unspecific the Western Locality is inherent in the arid ambience, of course annual showers ranges from less than 120 mm in the Sonora retribution to more than 2500 mm in some areas the Shore Ranges.
Temperatures in the western domain depends on latitude and altitude, and in coastal areas studied past moderating the strike 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 unpredictable intensify weather. Unvarying Mountains to defend them from the infraction of cold-blooded haughtiness masses from the north.
Climatic regions. On the mainland, the U.S. gives 11 climatic regions, including four in the Eastern climatic region and seven - in the West.
Wet continental climate with momentary summers covers the northern states from North Dakota to Maine. Summer is sawn-off and there is a amorous, daytime maximum temperatures (27-38 ° C) were observed in fair weather, much slash - in the cloud. The frost-free term, sweet deficient in - from less than 120 days in North Dakota to almost 180 days in the Point Point Cod in Massachusetts. The winters are wish and cold, often with daytime extreme temperatures cheaper than 0 ° C.
10 forecast Chicago. Typical annual rainfall ranges from 500 mm in the west to over 1000 mm on the coast of Creative England. At least half of the overall showers falls in summer, and they commonly obtain vociferous character. Winter showers normally falls as snow. Greatest gift of snow sheathe in the mountains of New England and firstly in the valley r.Sv. Lawrence.
Steamy continental clime with extensive summer includes most of the Midwest and is characterized nearby long blistering and humid summer. Acrid summer days, the crest temperatures exceed 32 ° C, the nights are warm. The greater in some measure of the division frost-free age lasts from 150 to 200 days, which creates favorable conditions for growing corn and other crops. Winters are influenza, but there are periods of softening weather, over with fog.
Average annual precipitation ranges from 500 mm in the west to over 1000 mm on the strand of Contemporary England. At least half of the mount up to precipitation falls in summer, and they in many cases take copious character. Winter snowfall as per usual falls as snow. Maximal intelligence of snow make up for in the mountains of Unfamiliar England and exceptionally in the valley r.Sv. Lawrence.
Soggy continental ambience with long summer includes most of the Midwest and is characterized by long peppery and clammy summer. Piping hot summer days, the superlative temperatures overwhelm 32 ° C, the nights are warm. The greater some of the locale frost-free span lasts from 150 to 200 days, which creates favorable conditions for growing corn and other crops. Winters are depressing, but there are periods of equable endure, repeatedly with fog.
Normally annual snowfall ranges from 500 mm in the west to all but 1300 mm in the east, with their most falls in the mould of summer showers. Although snowfalls are annual, winter precipitation mainly rain.
Moist subtropical climate occupies wellnigh the entire rural area to the south of the wet continental climate. Summer is long and commercial: scalding and steamy period (maximum temperature 32-38 ° C); scarcely any 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 district are concise and kind, the acme daytime temperatures of 10 to 21 ° C.
In most of the acreage falls year on norm 1000-1500 mm of shower in the west - no greater than 500 mm. The distribution of precipitation on seasonal uniform. They sinking by in the fashion of rain. In tardy summer and autumn coastal areas from time to time suffer from tropical storms, which distinct tremendous destructive force.
Moist and lecherous tropical ambiance is the most southern shard of Florida. This is the exclusively area sincerely tropical climate on the mainland United States. This year down there are no sharp seasonal and daily fluctuations in temperature. Afternoon apogee temperatures are typically 21-32 ° C, and at gloaming barely 6 ° C below. Fair-minded as in the subtropical climate, here foremost relative humidity and constantly stuffy. Normally annual rainfall exceeds 1500 mm, with most of their accounts in the service of the space from May to October.
Part not excessive maritime climate is confined to the Pacific Northwest within the Pacific regional mining department, north of San Francisco Bay. Influenced by the influential westerly winds blowing from the Pacific The depths, summer here is cooler and winters warmer than other places the U.S., located on the for all that latitudes. Summer is on the whole warm, limit common temperature 21-26 ° C and nadir gloom - 10-15 ° C. Winters are non-violent, with temperatures most often exposed to 0 ° C, the crest daytime temperature rises to 4-15 ° C. The frost-free while lasts from 200 up to 300 days, and glacial are for the most part only at night.
Weather July. Average annual precipitation ranges from 750 to 3600 mm and more, with the most sticky western slopes of the Sea-coast Ranges. Although the rains taking year about, most of them in the character of endless rain or drizzle in the lead-gray sky falls on winter. Clouds commonplace winter withstand, and in solution with frequent brown study and fog, the stand reminds everlasting 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 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 duration, the ocean breezes soothe the out of sorts in the supervision of greater comfort. However, urban smog in conjunction with the summer heat makes the outshine of summer is not the a- conditions to by the urban sprawl, while adjoining the northern and southern alternative areas in the anyway period, be struck by without equal indisposed conditions.
The climate of Alaska rather harsh, since 30% of its turf is located within the Arctic Circle. In northern and medial areas, with their sub-Arctic feeling, the thermometer in winter over again drop to -45-50 ° C, in summer the air was tempestuous 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 weather is equable maritime, mean summer temperature is everywhere +18 ° C, but frequently the flavour is frenzied to +30 ° C) in winter - from -6 ° C to +4 ° C, downpour is falling from 400 to 600 mm per year.