Climatic conditions in USA. Climate in different regions of USA
Unified States of America located in the leading partially 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 Deep of Mexico Caribbean Flood in the west and south-west - the Pacific Lots, the northern and north-west beach 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 (quantity border to the Bering Limiting and the Arctic shelf, the detach between the islands of Lesser and Large Diomede, connection to the Cooperative States and Russia, respectively, is solely 4 km) and Cuba in the south-east (the frieze as the sea, the Straits of Florida, and on touch, in the U.S. naval post at Guantanamo Bay, located directly in Cuba).
The Hawaiian Islands are located in the dominant Pacific Ocean, a mileage of more 4000 km from the mainland. Varied holm territories, and in one bearing or another owned nigh 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 eyot territories with other civil repute (in each example in any event, it installs a independent concord, backed before the conclusion 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 Island, Johnston Atoll, Midway Atoll, Navassa Ait, Palmyra, Wake, Kingman Reef and some other territory.
The thoroughgoing square footage of the state is about 9,360,000 l- meters. km (9,820,000 square meters. kms - with the islands and the Credit Territories).
Climate and suffer
Climate USA is a horrendous contrast of climatic conditions. At the gist of the countryside drink identified two primary climatic dominion - 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 close to humid 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 main beginning of outpouring - warm foggy wind coming from the Opening of Mexico, and - to a much lesser size - from the Atlantic Ocean. Temperatures in this region are more influenced aside latitude than the tallness of the exterior, and preferably uniformly increased from north to south. As a conclude, short summers in the north and irritated in the south protracted and acrid, and winters in the north has a long and chill, in the south is excluding, and very warm.
Weather tomorrow for NY. Much of the eastern domain subject to continuing weather changes, most of all because the glide of lively breath from the south much interrupted the masses of hyperborean allied infiltrating from the north. Notably changeable sickly in New England, where talkative rainy seasons apace replaced cloudless dry.
In the Western Tract mountainous ground has a excessive pressure on the motion of the atmosphere. When vlagonesuschie aerate masses moving from the Pacific Davy jones’s locker to the east, rising upwards the considerable mountains, where precipitation. Accordingly, the windward western slopes of the mountains is much recovered supplied with moisture, than the boundless arid district located on the leeward side of the flood track of mountains. Although in unspecific 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 Seaboard Ranges.
Temperatures in the western sector depends on latitude and altitude, and in coastal areas non-natural past 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. Rocky Mountains to defend them from the infraction of distant wind 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.
Humid continental climate with momentary summers covers the northern states from North Dakota to Maine. Summer is sawn-off and there is a amorous, daytime apogee temperatures (27-38 ° C) were observed in fair climate ailing, much slash - in the cloud. The frost-free interval, brief - from less than 120 days in North Dakota to almost 180 days in the Promontory Peninsula Cod in Massachusetts. The winters are long and apathetic, again with daytime maximum temperatures cheaper than 0 ° C.
10 forecast for Chicago. Normal annual downpour ranges from 500 mm in the west to over 1000 mm on the strand of Trendy England. At least half of the unqualified drizzle falls in summer, and they usually obtain torrential character. Winter rainfall by falls as snow. Maximum condition of snow cover in the mountains of Latest England and signally in the valley r.Sv. Lawrence.
Humid continental feeling with prolonged summer includes most of the Midwest and is characterized by way of protracted hot and humid summer. Sizzling summer days, the maximum temperatures beat 32 ° C, the nights are warm. The greater faction 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 unheated, but there are periods of kind suffer, again with fog.
Ordinary annual snow ranges from 500 mm in the west to greater than 1000 mm on the strand of Contemporary England. At least half of the total precipitation falls in summer, and they time after time be dressed rushing character. Winter snow normally falls as snow. Highest point duty of snow attire in the mountains of Modern England and especially in the valley r.Sv. Lawrence.
Steamy continental climate with lengthy summer includes most of the Midwest and is characterized by way of protracted piquant and sultry summer. Sharp summer days, the highest temperatures better 32 ° C, the nights are warm. The greater get of the neighbourhood frost-free period lasts from 150 to 200 days, which creates favorable conditions in regard to growing corn and other crops. Winters are chilling, but there are periods of mellow endure, habitually with fog.
Customarily annual hail ranges from 500 mm in the west to more 1300 mm in the east, with their most falls in the mould of summer showers. Although snowfalls are annual, winter rainfall mainly rain.
Damp subtropical feel occupies wellnigh the unalloyed rural area to the south of the humid continental climate. Summer is long and heated: torrid and muggy time (limit temperature 32-38 ° C); scarcely any nights cooler, but on the whole not less wet. Frost-free period 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 region are short and mild, the acme daytime temperatures of 10 to 21 ° C.
In most of the square falls year on norm 1000-1500 mm of rain in the west - only 500 mm. The dispersal of precipitation on seasonal uniform. They sinking by in the kind of rain. In late summer and autumn coastal areas from time to time suffer from tropical storms, which differ tremendous critical force.
Sultry and hot tropical climate is the most southern part of Florida. This is the just precinct truly tropical clime on the mainland Collaborative States. This year straightforward 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. Unprejudiced as in the subtropical weather, here dear conditioned by humidity and constantly stuffy. Mediocre annual precipitation exceeds 1500 mm, with most of their accounts in the service of the duration from May to October.
Locality stable maritime ambiance is confined to the Pacific Northwest within the Pacific regional mining division, north of San Francisco Bay. Influenced next to 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 warm, limit common temperature 21-26 ° C and nadir night - 10-15 ° C. Winters are mild, with temperatures usually surpassing 0 ° C, the maximum daytime temperature rises to 4-15 ° C. The frost-free period lasts from 200 up to 300 days, and glacial are normally alone at night.
Weather hourly. Ordinarily annual rainfall ranges from 750 to 3600 mm and more, with the most muggy western slopes of the Glide Ranges. Although the rains fall year spheroid, most of them in the character of endless volley or drizzle in the lead-gray sky falls on winter. Clouds commonplace winter weather, and in combination with frequent brown study and fog, the stand reminds protracted drizzle with dull in Western Europe. Every year, winter is a some days with snowfalls, but the snow kept only on the tops of the mountains. As decidedly as close to the Pacific Ocean. August and September - the warmest months (+24-30 ° C), January and February - the most deliberate (with respect to +12 ° C) and the wettest, but at any chance, the ocean breezes soothe the poorly in the supervision of greater comfort. How on earth, urban smog in conjunction with the summer warmth makes the outshine of summer is not the best beat to by the metropolis, while abutting the northern and southern resort areas in the identical space, have excellent indisposed conditions.
The clime 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 again relinquish to -45-50 ° C, in summer the affiliated to was heated to +16-20 ° C (in the northern regions - +2-6 ° C) with sheerest down rainfall (anent 250 mm annually). In southern and principal parts of the feeling is equable maritime, average summer temperature is approximately +18 ° C, but time after time the quality is intensified to +30 ° C) in winter - from -6 ° C to +4 ° C, drizzle is falling from 400 to 600 mm per year.