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Napier flood indirectly linked to atmospheric river phenomena
11 Mar, 2021 05:02 PM
3 minutes to read
Two atmospheric rivers in the leadup to November 9 laid the foundation for the heavy rainfall that caused the Napier Flood. Photo / File
Two atmospheric rivers in the leadup to November 9 laid the foundation for the heavy rainfall that caused the Napier Flood. Photo / File
New research points to New Zealand s costliest floods coinciding with atmospheric rivers , but Niwa says November s flood in Napier was not directly triggered by the phenomena.
Atmospheric rivers are relatively long, narrow regions in the atmosphere – like rivers in the sky – that move huge columns of water vapour in the direction of preceding weather.
Napier flood indirectly linked to atmospheric river phenomena nzherald.co.nz - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from nzherald.co.nz Daily Mail and Mail on Sunday newspapers.
Climate change could cause larger and more frequent extreme weather events, a new study by University of Otago has found.
The Waiho Bridge on State Highway 6 washed away in April 2019 after torrential rain battered the West Coast for two days.
Photo: Wayne Costello / DOC
The research aimed to find the causes and impact of atmospheric rivers - thin concentrated corridors of airborne moisture which could produce severe rainfall.
Lead author of the study Hamish Prince said as the climate warmed these may become more common and intense. In very basic terms, one of the results of a warmer climate is a wetter atmosphere. With more moisture in the atmosphere the frequency and magnitude of atmospheric rivers making landfall in New Zealand are expected to increase.