Climatic conditions in United States of America. Weather in different regions of USA
Of like mind States of America located in the prime party of the North American continent, occupying a limitless area 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 Multitude, the northern and north-west seashore of Alaska - the Arctic Ocean.
U.S. borders with Canada in the north (the tot up to the fullest extent a finally of 8893 km boundary, including 2,477 km in Alaska), with Mexico in the south (3141 km), with Russia in the north-west (domain purfle to the Bering Limiting and the Arctic shelf, the reserve between the islands of Lesser and Large Diomede, association to the Coordinated States and Russia, mutatis mutandis, is only 4 km) and Cuba in the south-east (the frieze as the sevens, the Straits of Florida, and on earth, in the U.S. naval base at Guantanamo Bay, located entirely in Cuba).
The Hawaiian Islands are located in the dominant Pacific Scads, a distance of almost 4000 km from the mainland. Many holm territories, and in whole make 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 thousand of island territories with distinguishable civil status (in each cause, it installs a independent agreement, backed not later than the finding of the federal authorities). These involve the island 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 Isle, Johnston Atoll, Midway Holm, Navassa Islet, Palmyra, Wake, Kingman Reef and some other territory.
The thoroughgoing square footage of the state is regarding 9,360,000 substantial meters. km (9,820,000 reconcile with meters. kms - with the islands and the Guardianship Territories).
Feeling and weather
Climate USA is a horrendous contrast of climatic conditions. At the gist of the nation be experiencing identified two primary climatic department - East and West. The confines between them coincides with isohyet 500 mm and should be crudely along the meridian 100 ° W
Eastern sector as a well is characterized before clammy air with an average annual rainfall of 500 mm along the meridian 100 ° W to more than 1500 mm in the south-east. The pre-eminent source of rain - keen moist wind coming from the Inlet of Mexico, and - to a much lesser size - from the Atlantic Ocean. Temperatures in this region are more influenced around latitude than the elevation of the surface, and preferably uniformly increased from north to south. As a conclude, brief summers in the north and warm in the south long and hot, and winters in the north has a crave and bitter, in the south is short, and exact warm.
Current weather New York. Much of the eastern region vassal exposed to to haunt weather changes, most of all because the rush of warm breath from the south much interrupted the masses of numbing manner infiltrating from the north. Notably unsettled climate ailing in Modern England, where wordy rainy seasons despatch replaced cloudless dry.
In the Western Ambit himalayan territory has a excessive pressure on the motion of the atmosphere. When vlagonesuschie aerate masses heart-rending from the Pacific Lots to the east, rising upwards the high mountains, where precipitation. Accordingly, 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 rain protection of mountains. Although in general the Western Tract is inborn in the arid ambience, mean annual snow ranges from less than 120 mm in the Sonora vacant to more than 2500 mm in some areas the Seaboard Ranges.
Temperatures in the western region depends on latitude and altitude, and in coastal areas affected by 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 hot weather. Unstable Mountains to watch over them from the invasion of cold zephyr 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 ambiance with in a word summers covers the northern states from North Dakota to Maine. Summer is dumpy and there is a warm, daytime pinnacle temperatures (27-38 ° C) were observed in brilliant rise above, much lower - in the cloud. The frost-free period, short - from less than 120 days in North Dakota to almost 180 days in the Point Headland Cod in Massachusetts. The winters are long and apathetic, in many cases with daytime extreme temperatures below 0 ° C.
Weather conditions in Chicago. Normal annual sleet ranges from 500 mm in the west to over 1000 mm on the strand of New England. At least half of the whole snowfall falls in summer, and they often obtain rushing character. Winter rainfall by falls as snow. Top capacity of snow extend over in the mountains of Rejuvenated England and firstly in the valley r.Sv. Lawrence.
Sticky continental clime with crave summer includes most of the Midwest and is characterized by way of elongated blistering and sultry summer. Sizzling summer days, the crest temperatures beat 32 ° C, the nights are warm. The greater duty of the district frost-free term lasts from 150 to 200 days, which creates favorable conditions in return growing corn and other crops. Winters are emotionless, but there are periods of serene survive, over with fog.
Ordinary annual rain ranges from 500 mm in the west to over and above 1000 mm on the skim of Unexplored England. At least half of the unqualified snowfall falls in summer, and they on numerous occasions have torrential character. Winter snowfall as per usual falls as snow. Maximum intelligence of snow attire in the mountains of Unfamiliar England and exceptionally in the valley r.Sv. Lawrence.
Steamy continental ambience with extended summer includes most of the Midwest and is characterized by way of lengthy scalding and humid summer. Unpredictable intensify summer days, the maximum temperatures better 32 ° C, the nights are warm. The greater some of the neighbourhood frost-free span lasts from 150 to 200 days, which creates favorable conditions for growing corn and other crops. Winters are chilling, but there are periods of mild indisposed, often with fog.
Customarily annual precipitation ranges from 500 mm in the west to all but 1300 mm in the east, with their most falls in the form of summer showers. Although snowfalls are annual, winter precipitation mainly rain.
Humid subtropical feel occupies almost the undivided rural area to the south of the humid continental climate. Summer is yearn and commercial: torrid and humid day (maximum temperature 32-38 ° C); few nights cooler, but on the whole not less wet. Frost-free full stop lasts 200 days in the north to more than 300 days on the Split Coast. In some years there is no winter frost. Winters wholly the district are epigrammatic and kind, the greatest daytime temperatures of 10 to 21 ° C.
In most of the square falls year on norm 1000-1500 mm of rain in the west - at most 500 mm. The allotment of downpour on seasonal uniform. They sinking in general in the form of rain. In tardy summer and autumn coastal areas sometimes suffer from tropical storms, which conflict tremendous bad force.
Sultry and hot tropical climate is the most southern function of Florida. This is the one district truly tropical ambience on the mainland Cooperative States. This year globelike there are no trenchant seasonal and diurnal fluctuations in temperature. Afternoon apogee temperatures are typically 21-32 ° C, and at gloaming only 6 ° C below. Unbiased as in the subtropical feeling, here foremost apropos comparative humidity and constantly stuffy. Mediocre annual rain exceeds 1500 mm, with most of their accounts in the service of the period from May to October.
Locality temperate maritime climate is confined to the Pacific Northwest within the Pacific regional mining department, north of San Francisco Bay. Influenced by the prevailing westerly winds blowing from the Pacific Ocean, 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 irritated, top common temperature 21-26 ° C and nadir gloom - 10-15 ° C. Winters are kindly, with temperatures for the most part surpassing 0 ° C, the maximum 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 at best at night.
Weather December. Average annual rainfall ranges from 750 to 3600 mm and more, with the most humid western slopes of the Sail Ranges. Although the rains dwindle year annular, most of them in the kind of continuous shower or drizzle in the lead-gray sky falls on winter. Clouds typical winter sick, and in aggregation with persistent fog and low-hanging cloud, the weather reminds marathon drizzle with overcast in Western Europe. Every year, winter is a scarcely any days with snowfalls, but the snow kept only 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 cool (with respect to +12 ° C) and the wettest, but at any duration, the abundance breezes soothe the out of sorts in the government of greater comfort. On the other hand, urban smog in conjunction with the summer warmth makes the point of summer is not the most superbly conditions to visit the capital city, while abutting the northern and southern frequent areas in the same duration, take without equal indisposed conditions.
The weather of Alaska sooner sour, since 30% of its territory is located within the Arctic Circle. In northern and medial areas, with their sub-Arctic climate, the thermometer in winter over fall-off to -45-50 ° C, in summer the aura was fiery to +16-20 ° C (in the northern regions - +2-6 ° C) with remarkably stubby rainfall (about 250 mm annually). In southern and central parts of the feeling is temperate maritime, average summer temperature is around +18 ° C, but often the air is intensified to +30 ° C) in winter - from -6 ° C to +4 ° C, drizzle is falling from 400 to 600 mm per year.