Signal, Noise and Global Warming’s Influence on Weather

Human-caused climate change from increasing greenhouse gasses is expected to influence many weather phenomena including extreme events. However, there is not yet a detectable long-term change in many of these extreme events, as is recently emphasized by Roger Pielke Jr. in The Rightful Place of Science: Disasters and Climate Change.

This means that we have a situation where there is no detectable long-term change in e.g., tropical cyclone heavy rainfall and yet we have studies that conclude that human-caused climate change made Hurricane Harvey’s rainfall 15% heavier than it would have been otherwise. This is not actually a contradiction and the video below shows why.

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One Response to Signal, Noise and Global Warming’s Influence on Weather

  1. Pingback: Disasters and Climate Change – part 2 | …and Then There's Physics

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