Atmospheric river, a term encompassing different meteorological patterns

The study of atmospheric rivers (ARs) and their impacts on extreme precipitation are currently great research interest in view clear socioeconomical implications. However, studies this type generally contain caveats. first these is a meteorological nature, concerned with the diversity different patterns that can be associated phenomenological definition, there no guarantee all so-called ARs follow same one. second concern involves initial definition an AR, which implicitly assumes subtropical origin moisture feeds it. To date, it has been observed many cases ARs, most originates regions at higher latitudes. aim article to open debate two aspects by using well-known examples fit patterns, showing climatology sources feed ARs. This categorized under: Science Water > Hydrological Processes Extremes