Climatic conditions in USA. Climate in different regions of United States of America
Mutual States of America located in the significant 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 Deep of Mexico Caribbean Briny in the west and south-west - the Pacific Ocean, the northern and north-west seashore of Alaska - the Arctic Ocean.
U.S. borders with Canada in the north (the thoroughgoing to the fullest extent a finally of 8893 km bounds, including 2,477 km in Alaska), with Mexico in the south (3141 km), with Russia in the north-west (mystified dado to the Bering Narrow and the Arctic shelf, the detach between the islands of Lesser and Large Diomede, affinity to the United States and Russia, mutatis mutandis, is solely 4 km) and Cuba in the south-east (the border as the sevens, the Straits of Florida, and on arrive, in the U.S. naval headquarter at Guantanamo Bay, located just in Cuba).
The Hawaiian Islands are located in the central Pacific Davy jones’s locker, a distance of there 4000 km from the mainland. Uncountable archipelago territories, and in whole form or another owned on the U.S., scattered across the waters of the Pacific and Atlantic oceans.
Second to the supervision of the Amalgamated States is also a number of isle territories with other public stature (in each at all events, it installs a separate concord, backed by way of the finding of the federal authorities). These include the eyot area of American Samoa, Guam, Northern Mariana Islands, Marshall Islands, Federated States of Micronesia, Puerto Rico, U.S. Virgin Islands, Baker, Howland Atoll and Jarvis Eyot, Johnston Atoll, Midway Island, Navassa Ait, Palmyra, Wake, Kingman Reef and some other territory.
The thoroughgoing area of the country is to 9,360,000 l- meters. km (9,820,000 square meters. kms - with the islands and the Guardianship Territories).
Feeling and weather
Weather USA is a horrendous heterogeneity of climatic conditions. At the core of the country induce identified two main climatic region - East and West. The bounds between them coincides with isohyet 500 mm and should be clumsily along the meridian 100 ° W
Eastern zone as a whole is characterized before clammy mood with an commonplace annual rainfall of 500 mm along the meridian 100 ° W to more than 1500 mm in the south-east. The pre-eminent outset of outpouring - keen foggy air coming from the Gulf of Mexico, and - to a much lesser tract - from the Atlantic Ocean. Temperatures in this quarter are more influenced beside latitude than the pinnacle of the face, and to a certain extent uniformly increased from north to south. As a result, brief summers in the north and irritated in the south dream of and passionate, and winters in the north has a extensive and nippy, in the south is excluding, and very warm.
10 forecast New York. Much of the eastern section subject to continuing weather changes, for all practical purposes because the flow of warm air from the south ordinarily interrupted the masses of heatless with infiltrating from the north. Especially convertible sickly in Modern England, where prolix rainy seasons quickly replaced cloudless dry.
In the Western Tract mountainous terrain has a celebrated change on the circulation of the atmosphere. When vlagonesuschie reveal masses unfixed from the Pacific Ocean to the east, rising more than the great mountains, where precipitation. Interest, the windward western slopes of the mountains is much think twice supplied with moisture, than the jumbo arid field located on the leeward side of the flood track of mountains. Although in general the Western Province is ingrained in the arid milieu, positively b in any event annual sleet ranges from less than 120 mm in the Sonora retribution 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 impact of the ocean. The highest of the mountains are constantly in the winter, whereas in the most southern desert most of the year dominated through unpredictable intensify weather. Rocky Mountains to conserve them from the infringement of cold-blooded 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 in a word summers covers the northern states from North Dakota to Maine. Summer is sawn-off and there is a warm, daytime pinnacle temperatures (27-38 ° C) were observed in brilliant climate ailing, much lower - in the cloud. The frost-free spell, underfunded - from less than 120 days in North Dakota to about 180 days in the Ness Peninsula Cod in Massachusetts. The winters are large and apathetic, continually with daytime maximum temperatures under 0 ° C.
Weather tomorrow at Chicago. Standard in the main annual rainfall ranges from 500 mm in the west to during the course of 1000 mm on the coast of New England. At least half of the overall drizzle falls in summer, and they usually have torrential character. Winter rainfall by falls as snow. Greatest capacity of snow sheathe in the mountains of Latest England and signally in the valley r.Sv. Lawrence.
Humid continental climate with extensive summer includes most of the Midwest and is characterized by great lustful and sultry summer. Sizzling summer days, the supreme temperatures overstep 32 ° C, the nights are warm. The greater duty of the section frost-free period lasts from 150 to 200 days, which creates favorable conditions for growing corn and other crops. Winters are unheated, but there are periods of serene suffer, oft with fog.
Average annual precipitation ranges from 500 mm in the west to upward of 1000 mm on the coast of Unusual England. At least half of the unqualified snowfall falls in summer, and they often have torrential character. Winter precipitation usually falls as snow. Maximal duty of snow make up for in the mountains of Modern England and remarkably in the valley r.Sv. Lawrence.
Humid continental feeling with long summer includes most of the Midwest and is characterized past lengthy hot and clammy summer. Hot summer days, the superlative temperatures overwhelm 32 ° C, the nights are warm. The greater some of the district frost-free span lasts from 150 to 200 days, which creates favorable conditions pro growing corn and other crops. Winters are cold, but there are periods of equable indisposed, repeatedly with fog.
Customarily annual precipitation ranges from 500 mm in the west to more 1300 mm in the east, with their most falls in the form of summer showers. Although snowfalls are annual, winter precipitation at bottom rain.
Damp subtropical feel occupies almost the unalloyed rural area to the south of the muggy continental climate. Summer is elongated and commercial: ardent and steamy date (extreme temperature 32-38 ° C); not many nights cooler, but on the whole not less wet. Frost-free aeon 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 uncivil and temperate, 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 - only 500 mm. The allotment of downpour on seasonal uniform. They sinking on the whole in the kind of rain. In tardily summer and autumn coastal areas then suffer from tropical storms, which differ tremendous opposing force.
Sultry and keen tropical climate is the most southern function of Florida. This is the just district sincerely tropical ambience on the mainland Cooperative States. This year straightforward there are no keen-minded seasonal and routine fluctuations in temperature. Afternoon limit temperatures are typically 21-32 ° C, and at gloaming just 6 ° C below. Unprejudiced as in the subtropical climate, here consequential relative humidity and constantly stuffy. Average annual rainfall exceeds 1500 mm, with most of their accounts for the duration from May to October.
District temperate maritime climate is confined to the Pacific Northwest within the Pacific regional mining area, north of San Francisco Bay. Influenced via the prevailing westerly winds blowing from the Pacific Profusion, summer here is cooler and winters warmer than other places the U.S., located on the unaltered latitudes. Summer is usually zealous, upper limit common temperature 21-26 ° C and least night - 10-15 ° C. Winters are mild, with temperatures usually vulnerable 0 ° C, the highest daytime temperature rises to 4-15 ° C. The frost-free epoch lasts from 200 up to 300 days, and glacial are usually alone at night.
Weather July. Ordinarily annual rainfall ranges from 750 to 3600 mm and more, with the most sultry western slopes of the Glide Ranges. Although the rains fall year round, most of them in the form of unceasing volley or drizzle in the lead-gray sky falls on winter. Clouds commonplace winter sick, and in solution with persistent square and vapour, the weather reminds protracted drizzle with dull in Western Europe. Every year, winter is a scarcely any days with snowfalls, but the snow kept exclusive on the tops of the mountains. As well as on the Pacific Ocean. August and September - the warmest months (+24-30 ° C), January and February - the most cool (forth +12 ° C) and the wettest, but at any set, the profusion breezes soothe the ill in the direction of greater comfort. How on earth, urban smog in conjunction with the summer heat makes the object of summer is not the most superbly conditions to stop the capital, while adjacent to the northern and southern frequent areas in the anyway duration, have a number weather conditions.
The feel of Alaska rather harsh, since 30% of its vicinage is located within the Arctic Circle. In northern and inside areas, with their sub-Arctic climate, the thermometer in winter over again relinquish to -45-50 ° C, in summer the publicize was fiery to +16-20 ° C (in the northern regions - +2-6 ° C) with very muffled rainfall (anent 250 mm annually). In southern and central parts of the climate is moderate maritime, normally summer temperature is around +18 ° C, but again the flavour is quickened to +30 ° C) in winter - from -6 ° C to +4 ° C, precipitation is falling from 400 to 600 mm per year.