A Forum for Evaluating Forecasts of the North American Monsoon

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Abstract

The North American Monsoon (NAM) system is an annual weather pattern that brings summer rains to the dry regions of the United States southwest and northwestern Mexico. Broader effects are that NAM exerts substantial control on the warm-season climate over North America and is responsible for the occurrence of many high-impact weather and climate events such as floods and droughts. The North American Monsoon Experiment (NAME) [Higgins et al., 2005] was developed and implemented in an effort to improve the low prediction skill of intraseasonal and seasonal forecasts of NAM behavior.

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