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Tropical Cyclone

Tropical cyclones are warm-core low pressure systems that form over oceans with sea surface temperatures above 26°C, characterized by organized circulation and spiral inflow and outflow of air. They derive energy from the latent heat of condensation and are known by different names in various regions, such as hurricanes and typhoons. The Philippines is particularly vulnerable to these storms, which can cause significant damage through heavy rains, flooding, and strong winds.

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10 views1 page

Tropical Cyclone

Tropical cyclones are warm-core low pressure systems that form over oceans with sea surface temperatures above 26°C, characterized by organized circulation and spiral inflow and outflow of air. They derive energy from the latent heat of condensation and are known by different names in various regions, such as hurricanes and typhoons. The Philippines is particularly vulnerable to these storms, which can cause significant damage through heavy rains, flooding, and strong winds.

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justswellyn22
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About Tropical Cyclones

Oceans and seas have great influence on the weather of continental masses. A large
portion of the solar energy reaching the sea-surface is expended in the process of
evaporation. These water evaporated from the sea/ocean is carried up into the
atmosphere and condenses, forming clouds from which all forms of precipitation result.
Sometimes, intense cyclonic circulations occur which is what we call the tropical
cyclones.
Tropical cyclones are warm-core low pressure systems associated with a spiral inflow of
mass at the bottom level and spiral outflow at the top level. They always form over
oceans where sea surface temperature, also air temperatures are greater than 26°C.
The air accumulates large amounts of sensible and latent heat as it spirals towards the
center. It receives this heat from the sea and the exchange can occur rapidly, because
of the large amount of spray thrown into the air by the wind. The energy of the tropical
cyclone is thus derived from the massive liberation of the latent heat of condensation.
Tropical cyclone is defined as a non-frontal, synoptic-scale cyclone developing over
tropical and sub-tropical waters at any level and having a definitely organized
circulation. In other parts of the world, these are referred to as hurricanes, typhoons or
simply tropical cyclones depending on the region. In the North Atlantic, Eastern North
Pacific and South Pacific Ocean, they are called"hurricanes". In the bay of Bengal,
Arabian Sea and Western South Indian Ocean, the name is"cyclonic". In the eastern part
of the Southern Indian Ocean, it is "willy-willy", and in the Western North Pacific Ocean,
they are called "typhoons".
Tropical cyclones can only form over oceans of the world except in the South Atlantic
Ocean and the south eastern Pacific where a tropical cyclone could never be formed
due to the cooler sea surface temperature and higher vertical wind shears. They
develop at latitudes usually greater than 5° from the equator. They reach their greatest
intensity while located over warm tropical water. As soon as they move inland, they
begin to weaken, but often not before they have caused great destruction.
The Philippines is prone to tropical cyclones due to its geographical location which
generally produce heavy rains and flooding of large areas and also strong winds which
result in heavy casualties to human life and destructions to crops and properties. Thus,
it is of utmost importance to have sufficient knowledge on such maritime phenomena
for beneficial purposes

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