Climatic conditions in USA. Temperatures in different parts of USA
Of like mind States of America located in the prime party of the North American continent, occupying a immense section between 25 th and 57 th parallels of north latitude. To the east, washed Atlantic, in the south - the Bay of Mexico Caribbean Plethora in the west and south-west - the Pacific Multitude, the northern and north-west beach of Alaska - the Arctic Ocean.
U.S. borders with Canada in the north (the add up to length of 8893 km bounds, including 2,477 km in Alaska), with Mexico in the south (3141 km), with Russia in the north-west (domain frame to the Bering Narrow and the Arctic shelf, the dissociate between the islands of Lesser and Obese Diomede, belonging to the Joint States and Russia, severally, is solely 4 km) and Cuba in the south-east (the resemble closely as the breaker, 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 central Pacific Ocean, a distance of more 4000 km from the mainland. Assorted archipelago territories, and in chestnut bearing or another owned by the U.S., scattered across the waters of the Pacific and Atlantic oceans.
Second to the supervision of the United States is also a thousand of island territories with different public stature (in each case, it installs a split agreement, backed not later than the firmness of the federal authorities). These contain the island quarter 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 Islet, Navassa Ait, Palmyra, Wake, Kingman Reef and some other territory.
The total area of the country is to 9,360,000 l- meters. km (9,820,000 cubed meters. kms - with the islands and the Trust Territories).
Ambience and weather
Feeling USA is a extraordinary variety of climatic conditions. At the core of the country be experiencing identified two main climatic dominion - East and West. The bounds between them coincides with isohyet 500 mm and should be roughly along the meridian 100 ° W
Eastern zone as a whole is characterized before wet air with an average annual rainfall of 500 mm along the meridian 100 ° W to more than 1500 mm in the south-east. The main outset of shower - genial drizzly song coming from the Gulf of Mexico, and - to a much lesser size - from the Atlantic Ocean. Temperatures in this quarter are more influenced around latitude than the tallness of the face, and rather uniformly increased from north to south. As a emerge, short summers in the north and warm in the south dream of and spicy, and winters in the north has a extensive and bitter, in the south is hastily, and exact warm.
Temperature now NY. Much of the eastern section vassal exposed to to frequent suffer changes, most of all because the emanate of vexed air from the south ordinarily interrupted the masses of cold with infiltrating from the north. Singularly unsettled sickly in New England, where windy rainy seasons quickly replaced cloudless dry.
In the Western Region huge terrain has a excessive pressurize on the distribution of the atmosphere. When vlagonesuschie reveal masses impressive from the Pacific Davy jones’s locker to the east, rising upwards the high mountains, where precipitation. Commensurate with explain, the windward western slopes of the mountains is much recovered supplied with moisture, than the boundless arid range located on the leeward side of the flood shadow of mountains. Although in general the Western Province is ingrained in the arid ambience, wealth annual precipitation ranges from less than 120 mm in the Sonora vacant to more than 2500 mm in some areas the Shore Ranges.
Temperatures in the western ambit depends on latitude and altitude, and in coastal areas affected alongside moderating the import of the ocean. The highest of the mountains are constantly in the winter, whereas in the most southern jilt most of the year dominated through heated weather. Unstable Mountains to watch over them from the infraction of distant wind 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.
Sticky continental climate with short summers covers the northern states from North Dakota to Maine. Summer is dumpy and there is a affable, daytime climax temperatures (27-38 ° C) were observed in fine weather, much take down - in the cloud. The frost-free spell, short - from less than 120 days in North Dakota to approximately 180 days in the Promontory Cape Cod in Massachusetts. The winters are large and cold, again with daytime limit temperatures below 0 ° C.
Weather forecast at Chicago. Standard in the main annual rainfall ranges from 500 mm in the west to over 1000 mm on the seaboard of New England. At least half of the whole showers falls in summer, and they time have relentless character. Winter showers inveterately falls as snow. Pinnacle province of snow sheathe in the mountains of Rejuvenated England and signally in the valley r.Sv. Lawrence.
Steamy continental feeling with crave summer includes most of the Midwest and is characterized by elongated lustful and soggy summer. Hot summer days, the supreme temperatures overtake 32 ° C, the nights are warm. The greater duty of the district frost-free age lasts from 150 to 200 days, which creates favorable conditions for growing corn and other crops. Winters are cold, but there are periods of kind suffer, over with fog.
General annual precipitation ranges from 500 mm in the west to over and above 1000 mm on the coast of Unexplored England. At least half of the unqualified precipitation falls in summer, and they on numerous occasions give birth to copious character. Winter snowfall normally falls as snow. Maximum perceptiveness of snow cover in the mountains of New England and exceptionally in the valley r.Sv. Lawrence.
Humid continental climate with long summer includes most of the Midwest and is characterized through lengthy piquant and clammy summer. Piping hot summer days, the maximum temperatures exceed 32 ° C, the nights are warm. The greater part of the neighbourhood frost-free period lasts from 150 to 200 days, which creates favorable conditions in regard to growing corn and other crops. Winters are discouraging, but there are periods of bland endure, oft with fog.
Customarily annual hail ranges from 500 mm in the west to more 1300 mm in the east, with their most falls in the mould of summer showers. Although snowfalls are annual, winter rainfall at bottom rain.
Damp subtropical climate occupies all but the unexceptional rural area to the south of the damp continental climate. Summer is elongated and sharp: torrid and muggy period (extreme temperature 32-38 ° C); not many nights cooler, but on the whole not less wet. Frost-free period lasts 200 days in the north to more than 300 days on the Gulf Coast. In some years there is no winter frost. Winters wholly the quarter are short and mellow, the greatest daytime temperatures of 10 to 21 ° C.
In most of the area falls year on norm 1000-1500 mm of outpouring in the west - just 500 mm. The distribution of snow on seasonal uniform. They fall by in the fashion of rain. In tardy summer and autumn coastal areas from time to time suffer from tropical storms, which differ tremendous critical force.
Muggy and hot tropical climate is the most southern part of Florida. This is the exclusively district really tropical clime on the mainland United States. This year round there are no sharp seasonal and diurnal fluctuations in temperature. Afternoon limit temperatures are typically 21-32 ° C, and at night barely 6 ° C below. Fair-minded as in the subtropical weather, here high applicable humidity and constantly stuffy. Norm annual rain exceeds 1500 mm, with most of their accounts object of the period from May to October.
Territory temperate maritime weather is confined to the Pacific Northwest within the Pacific regional mining district, north of San Francisco Bay. Influenced next to the dominant westerly winds blowing from the Pacific Ocean, 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 irritated, limit daily temperature 21-26 ° C and minimum night-time - 10-15 ° C. Winters are kindly, with temperatures on the whole vulnerable 0 ° C, the maximum daytime temperature rises to 4-15 ° C. The frost-free interval lasts from 200 up to 300 days, and ice-cold are for the most part at best at night.
Weather March. Average annual hail ranges from 750 to 3600 mm and more, with the most muggy western slopes of the Sea-coast Ranges. Although the rains fall year annular, most of them in the character of endless shower or drizzle in the lead-gray sky falls on winter. Clouds usual winter withstand, and in solution with everyday brown study and low-hanging cloud, the withstand reminds prolonged drizzle with overcast in Western Europe. Every year, winter is a some days with snowfalls, but the snow kept sole 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 (about +12 ° C) and the wettest, but at any set, the ocean breezes soothe the out of sorts in the government of greater comfort. On the other hand, urban smog in conjunction with the summer fury makes the object of summer is not the best beat to stop the capital, while adjoining the northern and southern alternative areas in the unmodified period, have a number weather conditions.
The climate of Alaska sooner harsh, since 30% of its territory is located within the Arctic Circle. In northern and pre-eminent areas, with their sub-Arctic climate, the thermometer in winter on numerous occasions fall-off to -45-50 ° C, in summer the affiliated to was tempestuous to +16-20 ° C (in the northern regions - +2-6 ° C) with very stubby rainfall (anent 250 mm annually). In southern and principal parts of the feeling is temperate maritime, normally summer temperature is everywhere +18 ° C, but often the manner is intensified to +30 ° C) in winter - from -6 ° C to +4 ° C, snow is falling from 400 to 600 mm per year.