Category:Observations: extreme weather

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The Intergovernmental Panel on Climate Change (IPCC) claims, in Section 3.8 of the report of Working Group I to the Fourth Assessment Report, that global warming will cause (or already is causing) more extreme weather: droughts, floods, tropical cyclones, storms, and more (IPCC, 2007-I). Chapter 5 of the present report presented extensive evidence that solar variability, not CO2 concentrations in the air or rising global temperatures (regardless of their cause) is responsible for trends in many of these weather variables. In this chapter we ask if there is evidence that the twentieth century, which the IPCC claims was the warmest century in a millennium, experienced more severe weather than was experienced in previous, cooler periods. We find no support for the IPCC’s predictions. In fact, we find more evidence to support the opposite prediction: that weather would be less extreme in a warmer world.


The following pages are taken from Climate Change Reconsidered and can be used as a guide to get you through the basics of this category:

Droughts

ENSO

Floods

Precipitation variability

Snow

Storm surges

Storms

Temperature variability

Tropical cyclones

Wildfires

References

IPCC 2007-I. Climate Change 2007: The Physical Science Basis. Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change. Solomon, S., Qin, D., Manning, M., Chen, Z., Marquis, M., Averyt, K.B., Tignor, M. and Miller, H.L. (Eds.) Cambridge University Press, Cambridge, UK.

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