Climatic conditions in United States of America. Climate in different regions of United States of America
Unified States of America located in the central part of the North American continent, occupying a unlimited section 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 seaside of Alaska - the Arctic Ocean.
U.S. borders with Canada in the north (the thoroughgoing ultimately of 8893 km limits, including 2,477 km in Alaska), with Mexico in the south (3141 km), with Russia in the north-west (quantity border to the Bering Demanding and the Arctic shelf, the dissociate between the islands of Lesser and Large Diomede, association to the Coordinated States and Russia, respectively, is only 4 km) and Cuba in the south-east (the frieze as the sevens, the Straits of Florida, and on land, in the U.S. naval post at Guantanamo Bay, located just in Cuba).
The Hawaiian Islands are located in the main Pacific Ocean, a haughtiness of more 4000 km from the mainland. Varied island territories, and in chestnut make or another owned during the U.S., scattered across the waters of the Pacific and Atlantic oceans.
Second to the supervision of the Collective States is also a digit of key territories with distinguishable political repute (in each case, it installs a classify bargain, backed by way of the finding of the federal authorities). These involve the eyot turf of American Samoa, Guam, Northern Mariana Islands, Marshall Islands, Federated States of Micronesia, Puerto Rico, U.S. Virgin Islands, Baker, Howland Atoll and Jarvis Island, Johnston Atoll, Midway Island, Navassa Ait, Palmyra, Wake, Kingman Reef and some other territory.
The thoroughgoing area of the state is about 9,360,000 l- meters. km (9,820,000 reconcile with meters. kms - with the islands and the Guardianship Territories).
Feeling and weather
Climate USA is a horrendous heterogeneity of climatic conditions. At the core of the countryside have identified two big climatic dominion - East and West. The bounds between them coincides with isohyet 500 mm and should be unsympathetically along the meridian 100 ° W
Eastern sector as a usually is characterized by humid 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 main source of outpouring - keen clammy song coming from the Gulf of Mexico, and - to a much lesser capaciousness - from the Atlantic Ocean. Temperatures in this region 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 irritated in the south extensive and passionate, and winters in the north has a crave and bitter, in the south is excluding, and exact warm.
Temperature now New York. Much of the eastern region branch of knowledge to frequent indisposed changes, for all practical purposes because the glide of warm air from the south often interrupted the masses of hyperborean manner infiltrating from the north. Especially uneven seedy in New England, where wordy rainy seasons hurriedly replaced cloudless dry.
In the Western Region mountainous topography has a excessive pressure on the distribution of the atmosphere. When vlagonesuschie aerate masses impressive from the Pacific Lots to the east, rising during the course of the great mountains, where precipitation. Interest, the windward western slopes of the mountains is much crap-shooter supplied with moisture, than the vast arid field located on the leeward side of the rain shadow of mountains. Although in unspecific the Western Locality is ingrained in the arid ambience, positively b in any event annual precipitation ranges from less than 120 mm in the Sonora desert to more than 2500 mm in some areas the Shore Ranges.
Temperatures in the western sector depends on latitude and altitude, and in coastal areas affected past moderating the contact of the ocean. The highest of the mountains are constantly in the winter, whereas in the most southern desert most of the year dominated past biting weather. Unstable Mountains to defend them from the foray 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.
Humid continental ambiance with short summers covers the northern states from North Dakota to Maine. Summer is sawn-off and there is a affable, daytime climax temperatures (27-38 ° C) were observed in sunny climate ailing, much slash - in the cloud. The frost-free period, short - from less than 120 days in North Dakota to approximately 180 days in the Cape Peninsula Cod in Massachusetts. The winters are crave and apathetic, again with daytime maximum temperatures cheaper than 0 ° C.
Temperature now at Chicago. Average annual downpour ranges from 500 mm in the west to over 1000 mm on the shore of Modern England. At least half of the whole showers falls in summer, and they commonly bear vociferous character. Winter rainfall usually falls as snow. Top condition of snow sheathe in the mountains of New England and notably in the valley r.Sv. Lawrence.
Damp continental ambience with crave summer includes most of the Midwest and is characterized by great blistering and humid summer. Sweltering summer days, the supreme temperatures beat 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 also in behalf of growing corn and other crops. Winters are influenza, but there are periods of softening poorly, again with fog.
Customarily annual snow ranges from 500 mm in the west to over and above 1000 mm on the coast of Unexplored England. At least half of the mount up to snowfall falls in summer, and they on numerous occasions take vociferous character. Winter sleet normally falls as snow. Maximum intelligence of snow enclose in the mountains of Fresh England and especially in the valley r.Sv. Lawrence.
Soggy continental ambience with long summer includes most of the Midwest and is characterized by long peppery and humid summer. Hot summer days, the superlative temperatures overwhelm 32 ° C, the nights are warm. The greater some of the neighbourhood frost-free space 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 bland indisposed, oft with fog.
Average annual precipitation ranges from 500 mm in the west to nearly 1300 mm in the east, with their most falls in the physique of summer showers. Although snowfalls are annual, winter rain primarily rain.
Humid subtropical feel occupies about the unexceptional countryside to the south of the damp continental climate. Summer is long and heated: hot and humid date (maximum temperature 32-38 ° C); only one nights cooler, but usually not less wet. Frost-free term lasts 200 days in the north to more than 300 days on the Fiord Coast. In some years there is no winter frost. Winters wholly the district are concise and kind, the acme daytime temperatures of 10 to 21 ° C.
In most of the arrondissement falls year on average 1000-1500 mm of rain in the west - at most 500 mm. The allotment of showers on seasonal uniform. They decrease in general in the fashion of rain. In late summer and autumn coastal areas sometimes suffer from tropical storms, which conflict tremendous bad force.
Moist and lecherous tropical climate is the most southern function of Florida. This is the exclusively district really tropical clime on the mainland United States. This year round there are no keen-minded seasonal and diurnal fluctuations in temperature. Afternoon zenith temperatures are typically 21-32 ° C, and at night only 6 ° C below. Unbiased as in the subtropical weather, here dear applicable humidity and constantly stuffy. Normally annual precipitation exceeds 1500 mm, with most of their accounts object of the space from May to October.
Locality cool maritime climate is confined to the Pacific Northwest within the Pacific regional mining district, north of San Francisco Bay. Influenced via the prevailing westerly winds blowing from the Pacific The briny, summer here is cooler and winters warmer than other places the U.S., located on the same latitudes. Summer is on the whole lively, top daily temperature 21-26 ° C and least night - 10-15 ° C. Winters are kindly, with temperatures usually vulnerable 0 ° C, the crest daytime temperature rises to 4-15 ° C. The frost-free period lasts from 200 up to 300 days, and chill are for the most part lone at night.
Weather 5 day forecast. Middling annual rainfall ranges from 750 to 3600 mm and more, with the most sultry western slopes of the Sail Ranges. Although the rains taking year about, most of them in the form of unceasing rain or drizzle in the lead-gray azure overly falls on winter. Clouds commonplace winter sick, and in mosaic with usual square and vapour, the stand reminds prolonged drizzle with darkened in Western Europe. Every year, winter is a only one days with snowfalls, but the snow kept sole on the tops of the mountains. As probably as aside the Pacific Ocean. August and September - the warmest months (+24-30 ° C), January and February - the most phlegmatic (forth +12 ° C) and the wettest, but at any chance, the abundance breezes soothe the out of sorts in the administration of greater comfort. However, urban smog in conjunction with the summer vehemence makes the end of summer is not the most superbly beat to by the capital city, while adjoining the northern and southern frequent areas in the same duration, have a number out of sorts conditions.
The climate of Alaska rather sour, since 30% of its territory is located within the Arctic Circle. In northern and inside areas, with their sub-Arctic feeling, the thermometer in winter over again relinquish to -45-50 ° C, in summer the publicize was tempestuous to +16-20 ° C (in the northern regions - +2-6 ° C) with extraordinarily down rainfall (about 250 mm annually). In southern and central parts of the weather is abstemious maritime, average summer temperature is on all sides +18 ° C, but frequently the quality is intensified to +30 ° C) in winter - from -6 ° C to +4 ° C, precipitation is falling from 400 to 600 mm per year.