Typhoon Rai
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Context
- Super typhoon Rai is battering the southern Philippines, forcing thousands of people to take shelter amid warnings of widespread flooding and destruction.
- The storm made landfall in Siargao, a popular tourist island, packing winds of about 175km/h.
Details
- Typhoon Rai, known in the Philippines as Typhoon Odette, is currently a powerful tropical cyclone over the South China Sea which recently passed through the Philippines.
- Rai became the third Category 5 super typhoon to form in South China Sea after Pamela of 1954 and Rammasun of 2014.
Tropical Storms
- Hurricanes, cyclones and typhoons are all types of tropical storms. But are given different names depending on where they appear.
- Hurricanes are tropical storms that form over the North Atlantic Ocean and Northeast Pacific.
- Cyclones are formed over the South Pacific and Indian Ocean.
- Typhoons are formed over the Northwest Pacific Ocean.
Favorable Conditions for Tropical Cyclone Formation
- Large sea surface with temperature higher than 27° C,
- Presence of the Coriolis force enough to create a cyclonic vortex,
- Small variations in the vertical wind speed,
- A pre-existing weak low-pressure area or low-level-cyclonic circulation,
- Upper divergence above the sea level system,
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