Climatic conditions in United States of America. Climate in different parts of USA
United States of America located in the prime party 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 Deep of Mexico Caribbean Plethora 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 add up to 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 dado to the Bering Strait and the Arctic shelf, the detach between the islands of Lesser and Large Diomede, affinity to the Coordinated States and Russia, severally, is solely 4 km) and Cuba in the south-east (the dado as the sevens, 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 dominant Pacific Scads, a haughtiness of more 4000 km from the mainland. Many holm territories, and in undivided invent or another owned during the U.S., scattered across the waters of the Pacific and Atlantic oceans.
Out of sight the supervision of the United States is also a many of island territories with special civil station (in each example in any event, it installs a independent concord, backed by the firmness of the federal authorities). These contain the island 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 Cay, Johnston Atoll, Midway Islet, Navassa Key, Palmyra, Wake, Kingman Reef and some other territory.
The gross square footage of the state is on every side 9,360,000 l- meters. km (9,820,000 honourable meters. kms - with the islands and the Assign Territories).
Climate and survive
Weather USA is a abundant heterogeneity of climatic conditions. At the core of the country be experiencing identified two big climatic department - East and West. The limits between them coincides with isohyet 500 mm and should be roughly along the meridian 100 ° W
Eastern region as a whole is characterized by wet climate 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 source of shower - genial drizzly song coming from the Inlet of Mexico, and - to a much lesser tract - from the Atlantic Ocean. Temperatures in this tract are more influenced aside latitude than the height of the surface, and to a certain extent uniformly increased from north to south. As a conclude, brief summers in the north and warm in the south dream of and acrid, and winters in the north has a extended and chill, in the south is short, and exact warm.
Weather now in NY. Much of the eastern region vassal exposed to to haunt live through changes, mainly because the flow of lively air from the south ordinarily interrupted the masses of numbing air infiltrating from the north. Notably changeable sickly in Modern England, where windy rainy seasons quickly replaced cloudless dry.
In the Western Territory huge topography has a true change on the distribution of the atmosphere. When vlagonesuschie current masses moving from the Pacific Ocean to the east, rising upwards the great mountains, where precipitation. Interest, the windward western slopes of the mountains is much crap-shooter supplied with moisture, than the vast arid district located on the leeward side of the rain track of mountains. Although in unspecific the Western Locality is inherent in the arid ambience, of course annual precipitation 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 domain depends on latitude and altitude, and in coastal areas non-natural by moderating the strike of the ocean. The highest of the mountains are constantly in the winter, whereas in the most southern desolate most of the year dominated by hot weather. Unstable Mountains to watch over them from the infringement of frigid zephyr 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.
Humid continental climate with terse summers covers the northern states from North Dakota to Maine. Summer is stubby and there is a warm, daytime apogee temperatures (27-38 ° C) were observed in brilliant climate ailing, much slash - in the cloud. The frost-free period, brief - from less than 120 days in North Dakota to give 180 days in the Point Cape Cod in Massachusetts. The winters are large and cold, often with daytime maximum temperatures cheaper than 0 ° C.
Weather now in Chicago. Typical annual rainfall ranges from 500 mm in the west to over 1000 mm on the strand of New England. At least half of the overall drizzle falls in summer, and they often have rushing character. Winter downpour normally falls as snow. Maximum condition of snow sheathe in the mountains of Chic England and signally in the valley r.Sv. Lawrence.
Humid continental climate with extensive summer includes most of the Midwest and is characterized on long hot and humid summer. Acrid summer days, the top temperatures beat 32 ° C, the nights are warm. The greater duty of the division frost-free period lasts from 150 to 200 days, which creates favorable conditions also in behalf of growing corn and other crops. Winters are emotionless, but there are periods of serene survive, oft with fog.
Average annual rain ranges from 500 mm in the west to greater than 1000 mm on the slide of New England. At least half of the total precipitation falls in summer, and they on numerous occasions give birth to torrential character. Winter snow as per usual falls as snow. Maximal duty of snow cover in the mountains of New England and exceptionally in the valley r.Sv. Lawrence.
Humid continental climate with lengthy summer includes most of the Midwest and is characterized past long scalding and clammy summer. Piping hot summer days, the superlative temperatures pass 32 ° C, the nights are warm. The greater neck of the woods of the district frost-free period 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, repeatedly with fog.
Customarily annual snowfall ranges from 500 mm in the west to wellnigh 1300 mm in the east, with their most falls in the form of summer showers. Although snowfalls are annual, winter rainfall at bottom rain.
Moist subtropical mood occupies about the unexceptional rural area to the south of the damp continental climate. Summer is long and heated: scalding and steamy day (most temperature 32-38 ° C); only one 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 Separation Coast. In some years there is no winter frost. Winters everywhere in the region are concise and kind, the acme daytime temperatures of 10 to 21 ° C.
In most of the arrondissement falls year on customarily 1000-1500 mm of shower in the west - only 500 mm. The dispersal of showers on seasonal uniform. They flop start on the whole in the kind of rain. In up-to-date summer and autumn coastal areas then suffer from tropical storms, which distinct tremendous destructive force.
Moist and keen tropical climate is the most southern function of Florida. This is the just precinct truly tropical clime on the mainland Cooperative States. This year down there are no fierce seasonal and routine fluctuations in temperature. Afternoon limit temperatures are typically 21-32 ° C, and at night-time just 6 ° C below. Just as in the subtropical weather, here consequential apropos comparative humidity and constantly stuffy. Mediocre annual precipitation exceeds 1500 mm, with most of their accounts for the epoch from May to October.
District not excessive maritime weather is confined to the Pacific Northwest within the Pacific regional mining district, north of San Francisco Bay. Influenced by the dominant westerly winds blowing from the Pacific Profusion, summer here is cooler and winters warmer than other places the U.S., located on the same latitudes. Summer is usually warm, limit daily temperature 21-26 ° C and least night - 10-15 ° C. Winters are pleasant, with temperatures most often above 0 ° C, the maximum daytime temperature rises to 4-15 ° C. The frost-free epoch lasts from 200 up to 300 days, and glacial are normally at best at night.
Weather now. Normal annual hail ranges from 750 to 3600 mm and more, with the most muggy western slopes of the Sea-coast Ranges. Although the rains capitulation year annular, most of them in the form of unceasing rain or drizzle in the lead-gray empyrean falls on winter. Clouds typical winter weather, and in solution with usual stifle bewilder and mist, the ill reminds everlasting drizzle with overcast in Western Europe. Every year, winter is a few days with snowfalls, but the snow kept only on the tops of the mountains. As correctly 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 chance, the profusion breezes soothe the weather in the direction of greater comfort. On the other hand, urban smog in conjunction with the summer warmth makes the point of summer is not the outwit time to stop the capital, while adjacent to the northern and southern resort areas in the identical duration, have excellent weather conditions.
The clime of Alaska more grating, since 30% of its vicinage is located within the Arctic Circle. In northern and central areas, with their sub-Arctic climate, the thermometer in winter often come by to -45-50 ° C, in summer the air was frantic to +16-20 ° C (in the northern regions - +2-6 ° C) with extraordinarily muffled rainfall (about 250 mm annually). In southern and important parts of the feeling is temperate maritime, mean summer temperature is everywhere +18 ° C, but often the manner is heated to +30 ° C) in winter - from -6 ° C to +4 ° C, precipitation is falling from 400 to 600 mm per year.