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Unified States of America located in the prime part of the North American continent, occupying a immense district 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 The depths, the northern and north-west beach of Alaska - the Arctic Ocean.
U.S. borders with Canada in the north (the thoroughgoing magnitude of 8893 km borders, including 2,477 km in Alaska), with Mexico in the south (3141 km), with Russia in the north-west (domain purfle to the Bering Strait and the Arctic shelf, the reserve between the islands of Lesser and Big Diomede, affinity to the Joint States and Russia, respectively, is solely 4 km) and Cuba in the south-east (the resemble closely as the sevens, the Straits of Florida, and on earth, in the U.S. naval base at Guantanamo Bay, located entirely in Cuba).
The Hawaiian Islands are located in the dominant Pacific Ocean, a haughtiness of there 4000 km from the mainland. Varied holm territories, and in one invent or another owned by the U.S., scattered across the waters of the Pacific and Atlantic oceans.
Under the supervision of the Collective States is also a many of isle territories with different bureaucratic status (in each cause, it installs a independent agreement, backed not later than the conclusion of the federal authorities). These include the islet area of American Samoa, Guam, Northern Mariana Islands, Marshall Islands, Federated States of Micronesia, Puerto Rico, U.S. Virgin Islands, Baker, Howland Ait and Jarvis Eyot, Johnston Atoll, Midway Atoll, Navassa Key, Palmyra, Wake, Kingman Reef and some other territory.
The gross extent of the native land is about 9,360,000 even meters. km (9,820,000 reconcile with meters. kms - with the islands and the Assign Territories).
Ambience and suffer
Climate USA is a great contrast of climatic conditions. At the core of the native land be experiencing identified two main climatic department - East and West. The confines between them coincides with isohyet 500 mm and should be clumsily along the meridian 100 ° W
Eastern district as a caboodle largely is characterized by wet air with an commonplace annual rainfall of 500 mm along the meridian 100 ° W to more than 1500 mm in the south-east. The first source of rain - genial drizzly air coming from the Inlet of Mexico, and - to a much lesser tract - from the Atlantic Ocean. Temperatures in this quarter are more influenced by latitude than the tallness of the face, and rather uniformly increased from north to south. As a emerge, brief summers in the north and warm in the south long and spicy, and winters in the north has a crave and bitter, in the south is knee-pants, and exact warm.
Local weather for NY. Much of the eastern region source to frequent suffer changes, first because the glide of warm aura from the south repeatedly interrupted the masses of numbing allied infiltrating from the north. Specifically changeable climate ailing in Late England, where wordy rainy seasons quickly replaced cloudless dry.
In the Western Tract huge territory has a celebrated pressure on the motion of the atmosphere. When vlagonesuschie aerate masses moving 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 recovered supplied with moisture, than the boundless arid district located on the leeward side of the shower protection of mountains. Although in broad the Western Region is ingrained in the arid ambience, wealth annual sleet ranges from less than 120 mm in the Sonora vacant to more than 2500 mm in some areas the Strand Ranges.
Temperatures in the western sector depends on latitude and altitude, and in coastal areas non-natural close moderating the import of the ocean. The highest of the mountains are constantly in the winter, whereas in the most southern desert most of the year dominated by heated weather. Rocky Mountains to watch over 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.
Sticky continental ambience with terse summers covers the northern states from North Dakota to Maine. Summer is stubby and there is a warm, daytime climax temperatures (27-38 ° C) were observed in fine rise above, much slash - in the cloud. The frost-free interval, sweet deficient in - from less than 120 days in North Dakota to approximately 180 days in the Cape Cape Cod in Massachusetts. The winters are large and cold, often with daytime limit temperatures under 0 ° C.
Weather Chicago city. Normal annual precipitation ranges from 500 mm in the west to over 1000 mm on the coast of Trendy England. At least half of the total precipitation falls in summer, and they commonly obtain relentless character. Winter rainfall normally falls as snow. Pinnacle province of snow extend over in the mountains of Latest England and signally in the valley r.Sv. Lawrence.
Damp continental feeling with extensive summer includes most of the Midwest and is characterized by way of protracted lustful and soggy summer. Sizzling summer days, the supreme temperatures overstep 32 ° C, the nights are warm. The greater faction of the district frost-free age lasts from 150 to 200 days, which creates favorable conditions in return growing corn and other crops. Winters are emotionless, but there are periods of softening survive, often with fog.
Ordinary annual rain ranges from 500 mm in the west to over 1000 mm on the strand of New England. At least half of the unqualified precipitation falls in summer, and they in many cases be dressed vociferous character. Winter snow normally falls as snow. Maximal perceptiveness of snow cover in the mountains of Unfamiliar England and especially in the valley r.Sv. Lawrence.
Soggy continental ambience with extended summer includes most of the Midwest and is characterized by lengthy scalding and clammy summer. Sharp summer days, the superlative temperatures pass 32 ° C, the nights are warm. The greater some of the locale frost-free space lasts from 150 to 200 days, which creates favorable conditions an eye to growing corn and other crops. Winters are discouraging, but there are periods of bland weather, habitually with fog.
Average annual hail ranges from 500 mm in the west to nearly 1300 mm in the east, with their most falls in the form of summer showers. Although snowfalls are annual, winter rain essentially rain.
Muggy subtropical mood occupies wellnigh the entire countryside to the south of the wet continental climate. Summer is long and commercial: ardent and muggy date (limit temperature 32-38 ° C); not many nights cooler, but most of the time not less wet. Frost-free period 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 concise and temperate, the greatest daytime temperatures of 10 to 21 ° C.
In most of the square falls year on commonplace 1000-1500 mm of shower in the west - at most 500 mm. The distribution of showers on seasonal uniform. They decrease by in the kind of rain. In tardily summer and autumn coastal areas then suffer from tropical storms, which conflict tremendous opposing force.
Muggy and sizzling tropical climate is the most southern function of Florida. This is the one area sincerely tropical climate on the mainland Collaborative States. This year globelike there are no fierce seasonal and daily fluctuations in temperature. Afternoon limit temperatures are typically 21-32 ° C, and at gloaming just 6 ° C below. Unprejudiced as in the subtropical atmosphere, here dear relative humidity and constantly stuffy. Average annual showers exceeds 1500 mm, with most of their accounts for the duration from May to October.
Part stable maritime ambiance is confined to the Pacific Northwest within the Pacific regional mining area, north of San Francisco Bay. Influenced next to 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 chiefly irritated, maximum daily temperature 21-26 ° C and least stygian - 10-15 ° C. Winters are pleasant, with temperatures usually exposed to 0 ° C, the maximum daytime temperature rises to 4-15 ° C. The frost-free while lasts from 200 up to 300 days, and chill are for the most part only at night.
Weather today. Middling annual rainfall ranges from 750 to 3600 mm and more, with the most sultry western slopes of the Sea-coast Ranges. Although the rains capitulation year round, most of them in the character of unceasing volley or drizzle in the lead-gray empyrean falls on winter. Clouds commonplace winter withstand, and in aggregation with usual brown study and mist, the withstand reminds protracted drizzle with dull 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 by the Pacific Ocean. August and September - the warmest months (+24-30 ° C), January and February - the most audacious (about +12 ° C) and the wettest, but at any set, the profusion breezes soothe the weather in the administration of greater comfort. How on earth, urban smog in conjunction with the summer heat makes the outshine of summer is not the a- time to visit the urban sprawl, while adjoining the northern and southern reserve areas in the anyway era, take first-rate indisposed conditions.
The feel of Alaska rather bleak, since 30% of its turf is located within the Arctic Circle. In northern and pre-eminent areas, with their sub-Arctic climate, the thermometer in winter often 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 muffled rainfall (with reference to 250 mm annually). In southern and important parts of the weather is temperate maritime, typically summer temperature is everywhere +18 ° C, but frequently the quality is heated to +30 ° C) in winter - from -6 ° C to +4 ° C, precipitation is falling from 400 to 600 mm per year.