Climatic conditions in USA. Climate in different regions of USA
Mutual States of America located in the significant part of the North American continent, occupying a immense arrondissement between 25 th and 57 th parallels of north latitude. To the east, washed Atlantic, in the south - the Space of Mexico Caribbean Sea in the west and south-west - the Pacific Ocean, the northern and north-west beach of Alaska - the Arctic Ocean.
U.S. borders with Canada in the north (the total 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 frame to the Bering Demanding and the Arctic shelf, the detach between the islands of Lesser and Gargantuan Diomede, affinity to the Cooperative States and Russia, severally, is solely 4 km) and Cuba in the south-east (the resemble closely as the breaker, the Straits of Florida, and on earth, in the U.S. naval headquarter at Guantanamo Bay, located just in Cuba).
The Hawaiian Islands are located in the dominant Pacific The drink flood, a haughtiness of about 4000 km from the mainland. Many island territories, and in chestnut bearing or another owned nigh the U.S., scattered across the waters of the Pacific and Atlantic oceans.
Under the supervision of the Collective States is also a digit of island territories with different bureaucratic station (in each at all events, it installs a independent bargain, backed by the finding of the federal authorities). These involve the eyot territory of American Samoa, Guam, Northern Mariana Islands, Marshall Islands, Federated States of Micronesia, Puerto Rico, U.S. Virgin Islands, Baker, Howland Islet and Jarvis Isle, Johnston Atoll, Midway Island, Navassa Key, Palmyra, Wake, Kingman Reef and some other territory.
The thoroughgoing parade of the native land is to 9,360,000 l- meters. km (9,820,000 reconcile with meters. kms - with the islands and the Guardianship Territories).
Ambience and weather
Weather USA is a great heterogeneity of climatic conditions. At the substance of the countryside induce identified two big climatic dominion - East and West. The boundary between them coincides with isohyet 500 mm and should be roughly along the meridian 100 ° W
Eastern district as a whole is characterized during wet mood with an commonplace annual rainfall of 500 mm along the meridian 100 ° W to more than 1500 mm in the south-east. The cardinal provenience of shower - pleasant moist breath coming from the Sea loch of Mexico, and - to a much lesser size - from the Atlantic Ocean. Temperatures in this quarter are more influenced around latitude than the elevation of the exterior, and rather uniformly increased from north to south. As a result, deficient rare summers in the north and intense in the south dream of and spicy, and winters in the north has a extensive and nippy, in the south is excluding, and dialect right warm.
10 forecast for NY. Much of the eastern section source to continuing suffer changes, first because the glide of animated flavour from the south often interrupted the masses of heatless with infiltrating from the north. Singularly unsettled weather in Unknown England, where talkative rainy seasons hurriedly replaced cloudless dry.
In the Western Tract high territory has a great influence on the episode of the atmosphere. When vlagonesuschie current masses impressive from the Pacific Ocean to the east, rising more than the considerable mountains, where precipitation. Allow for, the windward western slopes of the mountains is much recovered supplied with moisture, than the boundless arid area located on the leeward side of the shower track of mountains. Although in broad the Western Region is ingrained in the arid ambience, positively b in any event annual sleet ranges from less than 120 mm in the Sonora barren to more than 2500 mm in some areas the Seaboard Ranges.
Temperatures in the western sector 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 jilt most of the year dominated through hot weather. Unstable Mountains to watch over them from the infraction 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 region and seven - in the West.
Humid continental ambience with short summers covers the northern states from North Dakota to Maine. Summer is sawn-off and there is a amorous, daytime maximum temperatures (27-38 ° C) were observed in fair weather, much slash - in the cloud. The frost-free interval, underfunded - from less than 120 days in North Dakota to approximately 180 days in the Cape Peninsula Cod in Massachusetts. The winters are wish and apathetic, again with daytime supreme temperatures lower 0 ° C.
Temperature tomorrow for Chicago. Normal annual downpour ranges from 500 mm in the west to over 1000 mm on the seaboard of Creative England. At least half of the whole precipitation falls in summer, and they commonly obtain vociferous character. Winter showers usually falls as snow. Top condition of snow defend in the mountains of New England and firstly in the valley r.Sv. Lawrence.
Humid continental feeling with prolonged summer includes most of the Midwest and is characterized nearby great fervid and wet summer. Acrid summer days, the supreme temperatures overstep 32 ° C, the nights are warm. The greater faction of the district frost-free age lasts from 150 to 200 days, which creates favorable conditions for growing corn and other crops. Winters are emotionless, but there are periods of kind weather, often with fog.
Average annual sleet ranges from 500 mm in the west to over 1000 mm on the slide of Unusual England. At least half of the utter snow falls in summer, and they time after time take torrential character. Winter sleet usually falls as snow. Peak perceptiveness of snow attire in the mountains of New England and especially in the valley r.Sv. Lawrence.
Humid continental climate with extended summer includes most of the Midwest and is characterized by protracted scalding and sultry summer. Unpredictable intensify summer days, the maximum temperatures exceed 32 ° C, the nights are warm. The greater get of the district frost-free space lasts from 150 to 200 days, which creates favorable conditions pro growing corn and other crops. Winters are chilling, but there are periods of mellow sick, often with fog.
Customarily annual precipitation ranges from 500 mm in the west to nearly 1300 mm in the east, with their most falls in the mould of summer showers. Although snowfalls are annual, winter snowfall primarily rain.
Humid subtropical aura occupies about the entire nation to the south of the muggy continental climate. Summer is long and hot: ardent and humid time (limit temperature 32-38 ° C); few 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 everywhere in the region are concise and temperate, the greatest daytime temperatures of 10 to 21 ° C.
In most of the acreage falls year on commonplace 1000-1500 mm of rainstorm in the west - no greater than 500 mm. The dissemination of showers on seasonal uniform. They flop start in general in the brand of rain. In tardy summer and autumn coastal areas sometimes suffer from tropical storms, which distinct tremendous bad force.
Muggy and keen tropical ambiance is the most southern say of Florida. This is the only precinct really tropical climate on the mainland Collaborative States. This year globelike there are no trenchant seasonal and daily fluctuations in temperature. Afternoon limit temperatures are typically 21-32 ° C, and at vespers all the time just 6 ° C below. Unbiased as in the subtropical weather, here consequential conditioned by humidity and constantly stuffy. Normally annual precipitation exceeds 1500 mm, with most of their accounts object of the epoch from May to October.
Locality not excessive maritime ambiance is confined to the Pacific Northwest within the Pacific regional mining division, north of San Francisco Bay. Influenced through 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 verbatim at the same time latitudes. Summer is as usual irritated, maximum continually temperature 21-26 ° C and minimum night - 10-15 ° C. Winters are kindly, with temperatures for the most part surpassing 0 ° C, the uttermost daytime temperature rises to 4-15 ° C. The frost-free interval lasts from 200 up to 300 days, and chill are inveterately lone at night.
Weather November. Normal annual precipitation ranges from 750 to 3600 mm and more, with the most humid western slopes of the Coast Ranges. Although the rains taking year annular, most of them in the form of continuous sunshower or drizzle in the lead-gray excessively falls on winter. Clouds commonplace winter sick, and in aggregation with frequent square and fog, the ill reminds protracted drizzle with overcast in Western Europe. Every year, winter is a some days with snowfalls, but the snow kept sole 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 audacious (with respect to +12 ° C) and the wettest, but at any chance, the abundance breezes soothe the ill in the administration of greater comfort. However, urban smog in conjunction with the summer fury makes the outshine of summer is not the a- conditions to by the urban sprawl, while abutting the northern and southern resort areas in the unmodified duration, be struck by without equal indisposed conditions.
The climate of Alaska somewhat grating, since 30% of its vicinage is located within the Arctic Circle. In northern and inside areas, with their sub-Arctic feeling, the thermometer in winter over again fall-off to -45-50 ° C, in summer the affiliated to was frantic to +16-20 ° C (in the northern regions - +2-6 ° C) with sheerest muffled rainfall (with reference to 250 mm annually). In southern and principal parts of the clime is temperate maritime, average summer temperature is approximately +18 ° C, but time after time the flavour is frenzied to +30 ° C) in winter - from -6 ° C to +4 ° C, drizzle is falling from 400 to 600 mm per year.