Which climate is influenced by the ITCZ most of the year?

Earth’s deep-tropical climate is dominated by the intertropical convergence zone (ITCZ), a narrow band of rising air and intense precipitation (Fig. 1a). Precipitation in the ITCZ is driven by moisture convergence associated with the northerly and southerly trade winds that collide near the equator.

How does ITCZ influence climate?

The ITCZ follows the sun in that the position varies seasonally. It moves north in the Northern Hemisphere summer and south in the Northern Hemisphere winter. Therefore, the ITCZ is responsible for the wet and dry seasons in the tropics.

What type of weather would you expect to find at the intertropical convergence zone?

The rising air produces high cloudiness, frequent thunderstorms, and heavy rainfall; the doldrums, oceanic regions of calm surface air, occur within the zone. The ITCZ shifts north and south seasonally with the Sun.

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Why does ITCZ make the climate hot and humid?

In equatorial climates, the temperature is hot year round because the sun is constantly overhead; this drives the convection of surface air and the evaporation of water on the ground. This in turn causes warm and weat air to rise, cool and condense, leading to the formation of this low pressure band known as the ITCZ.

Where is the ITCZ in September?

The location of the ITCZ can vary as much as 40° to 45° of latitude north or south of the equator on land. It moves toward the Southern Hemisphere from September through February and reverses direction in preparation for Northern Hemisphere Summer.

Where does the ITCZ shift during the summer season?

It moves north in the Northern Hemisphere summer and south in the Northern Hemisphere winter.

How does ITCZ affect the weather in the Philippines?

ITCZ is characterized as an area where winds coming from the Northern and Southern Hemispheres meet; this interaction results to rains in the affected areas. … In the rest of the country including Metro Manila, partly cloudy to cloudy skies will prevail only with isolated rain showers or thunderstorms.

What weather conditions would you expect to find within the subtropical high pressure systems?

The descending air under subtropical highs warms and dries as it descends, resulting in generally sunny skies and dry weather. Cold air from the poles flows toward lower latitudes in order to complete the redistribution of the heat imbalance in the atmosphere.

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How ITCZ affect the rainfall in India?

Variation in location of the ITCZ affects rainfall in the equatorial regions, as it is the region of low atmospheric pressure pulling the moisture laden winds and causing them to rise. … This encourages the development of thermal low over the North and Northwest India.

How does ITCZ affect rainfall?

Seasonal shifts in the location of the ITCZ drastically affects rainfall in many equatorial nations, resulting in the wet and dry seasons of the tropics rather than the cold and warm seasons of higher latitudes. Longer term changes in the ITCZ can result in severe droughts or flooding in nearby areas.

Why does the ITCZ move around throughout the year?

The shifting of ITCZ is the result of the Earth’s rotation, axis inclination and the translation of Earth around the Sun. Seasons are the result of this. ITCZ moves toward the hemisphere with most heat, wich are either hemisphere summers.

How does the ITCZ account for the climate of West Africa?

In recent decades the ITCZ over West Africa has been observed to shift northward (Fontaine et al., 2011), increasing rainfall over the Sahel. Over Western Africa the ITCZ is an impor- tant driver of regional climate, controlling the distribu- tion of winds and precipitation, which can impact soil and vegetation.

Which major biomes and climate types are associated with Convectional rain and the ITCZ?

The sets of major biomes and climate types associated with convectional rain and the ITCZ are tropical forest; humid and seasonally humid tropical climates.

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Where is the ITCZ in January?

In January, over the Atlantic, the ITCZ generally sits no further south than the Equator, but extends much further south over South America, Southern Africa, and Australia. Over land, the ITCZ tends to follow the sun’s zenith point.

What is the effect when ITCZ is formed?

Seasonal shifts in the location of the ITCZ drastically affects rainfall in many equatorial nations, resulting in the wet and dry seasons of the tropics rather than the cold and warm seasons of higher latitudes. Longer term changes in the ITCZ can result in severe droughts or flooding in nearby areas.

What is the main climate found in northern Africa?

Current Climatology of North Africa

Along the coast, North Africa has a Mediterranean climate, which is characterized by mild, wet winters and warm, dry summers, with ample rainfall of approximately 400 to 600 mm per year.