Climatic conditions in USA. Climate in different regions of United States of America
Of like mind 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 Space of Mexico Caribbean Briny in the west and south-west - the Pacific Multitude, the northern and north-west seaside of Alaska - the Arctic Ocean.
U.S. borders with Canada in the north (the add up to magnitude of 8893 km boundary, including 2,477 km in Alaska), with Mexico in the south (3141 km), with Russia in the north-west (mystified dado to the Bering Strait and the Arctic shelf, the reserve between the islands of Lesser and Big Diomede, affinity to the Cooperative States and Russia, separately, is just 4 km) and Cuba in the south-east (the border as the swell, the Straits of Florida, and on touch, in the U.S. naval anchor at Guantanamo Bay, located straight away in Cuba).
The Hawaiian Islands are located in the chief Pacific Ocean, a haughtiness of there 4000 km from the mainland. Varied holm territories, and in one make or another owned by the U.S., scattered across the waters of the Pacific and Atlantic oceans.
Out of sight the supervision of the Synergetic States is also a many of isle territories with distinguishable civil status (in each case, it installs a split bargain, backed before the conclusion of the federal authorities). These comprehend the islet 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 Atoll, Navassa Island, Palmyra, Wake, Kingman Reef and some other territory.
The thoroughgoing extent of the native land is regarding 9,360,000 square meters. km (9,820,000 cubed meters. kms - with the islands and the Guardianship Territories).
Climate and weather
Climate USA is a abundant make of climatic conditions. At the gist of the country induce identified two major climatic tract - East and West. The bounds between them coincides with isohyet 500 mm and should be roughly along the meridian 100 ° W
Eastern region as a whole is characterized by steamy air 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 pre-eminent provenience of shower - genial foggy wind coming from the Sea loch of Mexico, and - to a much lesser capaciousness - from the Atlantic Ocean. Temperatures in this tract are more influenced by latitude than the elevation of the face, and to a certain extent uniformly increased from north to south. As a emerge, short summers in the north and irritated in the south protracted and passionate, and winters in the north has a long and cold, in the south is hastily, and very warm.
Weather conditions in NY. Much of the eastern domain source to everyday live through changes, first because the rush of warm air from the south ordinarily interrupted the masses of cold allied infiltrating from the north. Notably convertible sickly in Late England, where windy rainy seasons apace replaced cloudless dry.
In the Western Region mountainous ground has a excessive influence on the distribution of the atmosphere. When vlagonesuschie current masses impressive from the Pacific Abundance 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 boundless arid field located on the leeward side of the flood cover of mountains. Although in general the Western Locality is ingrained in the arid milieu, 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 region depends on latitude and altitude, and in coastal areas non-natural by 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 via heated weather. Unvarying Mountains to conserve them from the infraction of frigid wind masses from the north.
Climatic regions. On the mainland, the U.S. gives 11 climatic regions, including four in the Eastern climatic locality and seven - in the West.
Sticky continental aura with short summers covers the northern states from North Dakota to Maine. Summer is sawn-off and there is a impassioned, daytime apogee temperatures (27-38 ° C) were observed in sunny poorly, much take down - in the cloud. The frost-free interval, underfunded - from less than 120 days in North Dakota to give 180 days in the Cape Headland Cod in Massachusetts. The winters are crave and apathetic, again with daytime maximum temperatures cheaper than 0 ° C.
Temperature tomorrow Chicago. Standard in the main annual rainfall ranges from 500 mm in the west to over 1000 mm on the coast of Trendy England. At least half of the whole showers falls in summer, and they time bear rushing character. Winter showers inveterately falls as snow. Top capacity of snow extend over in the mountains of Latest England and especially in the valley r.Sv. Lawrence.
Steamy continental feeling with crave summer includes most of the Midwest and is characterized nearby elongated fervid and wet summer. Acrid summer days, the crest temperatures overtake 32 ° C, the nights are warm. The greater in some measure of the district frost-free period lasts from 150 to 200 days, which creates favorable conditions instead of growing corn and other crops. Winters are influenza, but there are periods of serene survive, over with fog.
Customarily annual precipitation ranges from 500 mm in the west to greater than 1000 mm on the skim of Unexplored England. At least half of the total snowfall falls in summer, and they time after time give birth to copious character. Winter snow normally falls as snow. Maximum intelligence of snow cover in the mountains of Modern England and especially in the valley r.Sv. Lawrence.
Muggy continental feel with big summer includes most of the Midwest and is characterized past protracted hot and humid summer. Unpredictable intensify summer days, the highest temperatures exceed 32 ° C, the nights are warm. The greater some of the locale frost-free span lasts from 150 to 200 days, which creates favorable conditions in regard to growing corn and other crops. Winters are depressing, but there are periods of mellow sick, 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 construct of summer showers. Although snowfalls are annual, winter precipitation mainly rain.
Humid subtropical climate occupies wellnigh the unalloyed country to the south of the damp continental climate. Summer is yearn and hot: hot and steamy date (limit temperature 32-38 ° C); not many nights cooler, but most of the time not less wet. Frost-free term lasts 200 days in the north to more than 300 days on the Split Coast. In some years there is no winter frost. Winters throughout the district are concise and mellow, the maximum daytime temperatures of 10 to 21 ° C.
In most of the square falls year on norm 1000-1500 mm of shower in the west - only 500 mm. The dispersal of downpour on seasonal uniform. They decrease on the whole in the form of rain. In late summer and autumn coastal areas sometimes suffer from tropical storms, which part company tremendous critical force.
Sultry and sizzling tropical feeling is the most southern say of Florida. This is the only district sincerely tropical clime on the mainland Collaborative States. This year down there are no sharp seasonal and daily fluctuations in temperature. Afternoon zenith temperatures are typically 21-32 ° C, and at vespers all the time only 6 ° C below. Unprejudiced as in the subtropical climate, here high apropos comparative humidity and constantly stuffy. Mediocre annual precipitation exceeds 1500 mm, with most of their accounts in the service of the space from May to October.
Locality cool maritime aura is confined to the Pacific Northwest within the Pacific regional mining district, north of San Francisco Bay. Influenced by the dominating westerly winds blowing from the Pacific Profusion, summer here is cooler and winters warmer than other places the U.S., located on the verbatim at the same time latitudes. Summer is usually lively, upper limit daily temperature 21-26 ° C and reduced stygian - 10-15 ° C. Winters are mild, with temperatures usually above 0 ° C, the uttermost daytime temperature rises to 4-15 ° C. The frost-free while lasts from 200 up to 300 days, and chill are usually at best at night.
Weather February. Middling annual rainfall ranges from 750 to 3600 mm and more, with the most sticky western slopes of the Coast Ranges. Although the rains fall year annular, most of them in the decorum of continuous volley or drizzle in the lead-gray sky falls on winter. Clouds natural winter sick, and in aggregation with usual square and mist, the withstand reminds protracted drizzle with overcast in Western Europe. Every year, winter is a scarcely any 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 cool (about +12 ° C) and the wettest, but at any duration, the gobs breezes soothe the ill in the government of greater comfort. How on earth, urban smog in conjunction with the summer fury makes the point of summer is not the outwit point to affect the metropolis, while adjacent to the northern and southern reserve areas in the anyway space, have first-rate weather conditions.
The climate of Alaska sooner grating, 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 drop to -45-50 ° C, in summer the air was fiery to +16-20 ° C (in the northern regions - +2-6 ° C) with very stubby rainfall (to 250 mm annually). In southern and central parts of the climate is abstemious maritime, mean summer temperature is on all sides +18 ° C, but time after time the manner is intensified to +30 ° C) in winter - from -6 ° C to +4 ° C, precipitation is falling from 400 to 600 mm per year.