How climate change fuels tropical cyclones - The Hindu - 09/01/23
It is clear that climate change increases the upper limit on hurricane strength and rain rate and that it also raises the average sea level and therefore storm surge.
->Factors that fuels tropical cyclones:
1. Rainfall: Temperature has a clear influence
-The temperature of both the ocean and atmosphere are critical to hurricane development.
-Hurricanes are powered by the release of heat when water that evaporates from the ocean’s surface condenses into the storm’s rain.
-A warmer ocean produces more evaporation, which means more water is available to the atmosphere. A warmer atmosphere can hold more water, which allows more rain.
-More rain means more heat is released, and more heat released means stronger winds.
2. Storm surge
-The rise in water at a coast caused by a storm – is related to a number of factors including storm speed, storm size, wind direction and coastal sea bottom topography. Climate change could have at least two important influences.
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