Climatic conditions in USA. Weather in different regions of USA
Mutual States of America located in the leading party of the North American continent, occupying a vast section between 25 th and 57 th parallels of north latitude. To the east, washed Atlantic, in the south - the Bay of Mexico Caribbean Flood in the west and south-west - the Pacific The depths, the northern and north-west coast of Alaska - the Arctic Ocean.
U.S. borders with Canada in the north (the tot up magnitude of 8893 km bounds, including 2,477 km in Alaska), with Mexico in the south (3141 km), with Russia in the north-west (sea border to the Bering Demanding and the Arctic shelf, the dissociate between the islands of Lesser and Obese Diomede, connection to the Joint States and Russia, respectively, is only 4 km) and Cuba in the south-east (the dado as the breaker, the Straits of Florida, and on land, in the U.S. naval post at Guantanamo Bay, located directly in Cuba).
The Hawaiian Islands are located in the main Pacific Davy jones’s locker, a coolness of more 4000 km from the mainland. Many island territories, and in whole invent or another owned on the U.S., scattered across the waters of the Pacific and Atlantic oceans.
Subservient to the supervision of the Synergetic States is also a digit of eyot territories with special public status (in each cause, it installs a independent agreement, backed before the finding of the federal authorities). These comprehend 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 Eyot, Johnston Atoll, Midway Atoll, Navassa Islet, Palmyra, Wake, Kingman Reef and some other territory.
The thoroughgoing square footage of the country is about 9,360,000 even meters. km (9,820,000 square meters. kms - with the islands and the Credit Territories).
Ambience and survive
Aura USA is a great heterogeneity of climatic conditions. At the substance of the nation drink identified two big climatic tract - East and West. The confines between them coincides with isohyet 500 mm and should be unsympathetically along the meridian 100 ° W
Eastern zone as a usually is characterized before humid mood 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 - keen moist air coming from the Inlet of Mexico, and - to a much lesser size - from the Atlantic Ocean. Temperatures in this quarter are more influenced by latitude than the pinnacle of the face, and measure uniformly increased from north to south. As a consequence, short summers in the north and warm in the south long and hot, and winters in the north has a crave and chill, in the south is short, and very warm.
Average weather New York. Much of the eastern section vassal exposed to to continuing live through changes, first because the flow of lively breath from the south repeatedly interrupted the masses of heatless manner infiltrating from the north. Specifically unsettled seedy in New England, where wordy rainy seasons hurriedly replaced cloudless dry.
In the Western Region high terrain has a great pressurize on the circulation of the atmosphere. When vlagonesuschie reveal masses unfixed from the Pacific Lots to the east, rising upwards the high mountains, where precipitation. Commensurate with explain, the windward western slopes of the mountains is much better supplied with moisture, than the jumbo arid range located on the leeward side of the flood shadow of mountains. Although in general the Western Province is inborn in the arid climate, mean annual showers ranges from less than 120 mm in the Sonora barren to more than 2500 mm in some areas the Strand Ranges.
Temperatures in the western ambit depends on latitude and altitude, and in coastal areas counterfeit close moderating the impact 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 conserve them from the invasion of frigid 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.
Wet continental ambiance with momentary summers covers the northern states from North Dakota to Maine. Summer is sawn-off and there is a warm, daytime apogee temperatures (27-38 ° C) were observed in sunny climate ailing, much lower - in the cloud. The frost-free term, short - from less than 120 days in North Dakota to give 180 days in the Promontory Point Cod in Massachusetts. The winters are large and aloof, often with daytime supreme temperatures cheaper than 0 ° C.
Temperature tomorrow in Chicago. Average annual downpour ranges from 500 mm in the west to onto 1000 mm on the shore of Trendy England. At least half of the unqualified snowfall falls in summer, and they often oblige rushing character. Winter showers normally falls as snow. Maximum gift of snow extend over in the mountains of New England and especially in the valley r.Sv. Lawrence.
Humid continental clime with extensive summer includes most of the Midwest and is characterized on long fervid and humid summer. Sweltering summer days, the top temperatures exceed 32 ° C, the nights are warm. The greater in some measure 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 softening poorly, often with fog.
Ordinary annual precipitation ranges from 500 mm in the west to upward of 1000 mm on the slide of Unexplored England. At least half of the unqualified snowfall falls in summer, and they on numerous occasions have vociferous character. Winter snow normally falls as snow. Highest point perceptiveness of snow make up for in the mountains of Unfamiliar England and above all in the valley r.Sv. Lawrence.
Muggy continental feel with extended summer includes most of the Midwest and is characterized by way of lengthy scalding and humid summer. Hot summer days, the extreme temperatures overwhelm 32 ° C, the nights are warm. The greater some of the locale frost-free term lasts from 150 to 200 days, which creates favorable conditions pro growing corn and other crops. Winters are chilling, but there are periods of mild weather, oft with fog.
Common annual hail ranges from 500 mm in the west to more 1300 mm in the east, with their most falls in the construct of summer showers. Although snowfalls are annual, winter rain primarily rain.
Muggy subtropical climate occupies about the unexceptional nation to the south of the damp continental climate. Summer is yearn and hot: scalding and muggy time (limit 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 Fiord Coast. In some years there is no winter frost. Winters wholly the region are short and mellow, the superlative daytime temperatures of 10 to 21 ° C.
In most of the arrondissement falls year on commonplace 1000-1500 mm of rain in the west - at most 500 mm. The allotment of snow on seasonal uniform. They sinking by in the brand of rain. In tardily summer and autumn coastal areas from time to time suffer from tropical storms, which differ tremendous bad force.
Moist and hot tropical climate is the most southern say of Florida. This is the one precinct truly tropical ambience on the mainland Cooperative States. This year globelike there are no fierce seasonal and routine fluctuations in temperature. Afternoon zenith temperatures are typically 21-32 ° C, and at gloaming just 6 ° C below. Fair-minded as in the subtropical feeling, here foremost relative humidity and constantly stuffy. Normally annual showers exceeds 1500 mm, with most of their accounts in the service of the period from May to October.
District stable maritime ambiance is confined to the Pacific Northwest within the Pacific regional mining district, north of San Francisco Bay. Influenced through 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 as usual lively, maximum daily temperature 21-26 ° C and minimum night-time - 10-15 ° C. Winters are non-violent, with temperatures on the whole vulnerable 0 ° C, the uttermost daytime temperature rises to 4-15 ° C. The frost-free while lasts from 200 up to 300 days, and glacial are for the most part only at night.
Weather 10 day. Average annual precipitation 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 kind of continuous rain or drizzle in the lead-gray azure overly falls on winter. Clouds usual winter withstand, and in combination with everyday brown study and mist, the weather reminds marathon drizzle with dull 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 (wide +12 ° C) and the wettest, but at any duration, the ocean breezes soothe the poorly in the administration of greater comfort. But, urban smog in conjunction with the summer warmth makes the end of summer is not the best time to stop the capital, while abutting the northern and southern alternative areas in the unmodified duration, have excellent indisposed conditions.
The climate of Alaska more bleak, since 30% of its stamping-ground is located within the Arctic Circle. In northern and medial areas, with their sub-Arctic clime, the thermometer in winter often come by to -45-50 ° C, in summer the air was fiery to +16-20 ° C (in the northern regions - +2-6 ° C) with extraordinarily low rainfall (anent 250 mm annually). In southern and important parts of the climate is moderate maritime, mean summer temperature is on all sides +18 ° C, but often the quality is heated to +30 ° C) in winter - from -6 ° C to +4 ° C, snow is falling from 400 to 600 mm per year.