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Atmospheric river rating system chart

By Communications and Publishing
CHart showing atmospheric river rating scale from 1-5, with higher numbers primarily hazardous and lower ones primarily beneficial. Higher levels of water vapor transport and longer durations result in higher numbers.
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Detailed Description

A scale that categorizes atmospheric river events based on the maximum instantaneous integrated water vapor transport (IVT) associated with a period of atmospheric river conditions (i.e., IVT ≥ 250 kg m–1 s–1) and the duration of those conditions at a point. 

Sources/Usage

Public Domain.

Adapted from Ralph et al. 2019.