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The ITCZ is commonly defined as an equatorial zone where the trade winds converge. Rainfall seasonality is traditionally attributed to the north–south migration of the ITCZ, which follows the sun. Although this is largely valid over the equatorial oceans, the ITCZ and the region of maximum rainfall can be decoupled over the continents.
A monsoon (/ m ɒ n ˈ s uː n /) is traditionally a seasonal reversing wind accompanied by corresponding changes in precipitation [1] but is now used to describe seasonal changes in atmospheric circulation and precipitation associated with annual latitudinal oscillation of the Intertropical Convergence Zone (ITCZ) between its limits to the north and south of the equator.
A visualisation of the South Asian Monsoon based on the Climate Hazards Group InfraRed Precipitation with Station data (CHIRPS) 30+ year quasi-global rainfall dataset, analysed and visualised using Google Earth Engine. Annual average monsoon precipitation in India over 110 years. The long-term average has been 899 millimeters of precipitation. [1]
This seasonal rainfall is impacted by the oscillation and migration of the Intertropical Convergence Zone (ITCZ) across the equator of northern region of the country in July and August, to its south bending its position over the southern Kenya in January and February. Climate change is of great concern in Ethiopia, especially since the 1970s.
A convergence zone in meteorology is a region in the atmosphere where two prevailing flows meet and interact, usually resulting in distinctive weather conditions. [1] This causes a mass accumulation that eventually leads to a vertical movement and to the formation of clouds and precipitation . [ 1 ]
Global climate is greatly influenced by the structure and behavior of the Hadley circulation. The prevailing trade winds are a manifestation of the lower branches of the Hadley circulation, converging air and moisture in the tropics to form the Intertropical Convergence Zone (ITCZ) where the Earth's
The South Pacific convergence zone and South Atlantic convergence zones are generally reverse oriented. [8] The failure of the monsoon trough, or the ITCZ, to move south of the equator in the eastern Pacific Ocean and Atlantic Ocean during the southern hemisphere summer, is considered one of the factors causing tropical cyclones to not normally ...
The climate is characterized by hot, dry summers and cool, wet winters. [10] A steppe is a dry grassland. [11] Subarctic climates are cold with continuous permafrost and little precipitation. [12] The tropical zones have the highest number of storm events followed by the temperate climate.