DISCUSSION: There are numerous temperature records archived around the globe which have consistently shown that the Earth's average temperature is continuing to warm more and more with time. In fact, many global temperature records have shown that the rate of temperature increase at many locations around the world have actually gradually increased with time. There are some many consequential concerns for other atmospheric phenomena as a result of this gradually increasing rate of temperature increase from a global perspective. First and foremost, a higher average global temperature corresponds to there being a higher average capacity for a given parcel of air to hold more water.
Therefore, there is an inherently larger amount of water suspended within the lower to middle parts of the atmosphere within a planet which has a higher average temperature. As a consequence, there is a greater threat for heavier rainfall events as well as increasingly more potent tropical cyclones from a global perspective due to a higher atmospheric water content. Though, there is not a direct mathematical correlation between higher water content and more intense tropical cyclones, the fact is that tropical cyclones thrive within atmospheric environments which have a greater amount of atmospheric water content. Thus, with an atmosphere with greater water content, there typically is a greater propensity for greater tropical cyclone activity (and more intense activity often times as well).
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©2017 Meteorologist Jordan Rabinowitz