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Storms and cyclones
Education ResourceCommon questions about storms and cyclones in New Zealand. -
Coastal storm inundation
Education ResourceNew Zealand has low-lying coastal areas that are vulnerable to inundation (flooding) by the sea. -
Average soil moisture deficit onset and termination maps
Maps of the average first and last dates of soil moisture deficit are shown here. -
Floods
Education ResourceRiver floods occur when water spills from a river channel onto land that is normally dry, and are one of New Zealand's costliest natural hazards. -
Hotspot Watch Updates
This weekly update helps assess likelihood of extremely dry weather preceding a drought. Regions experiencing severely to extremely drier than normal soil conditions are deemed “hotspots” -
Tornadoes in New Zealand - FAQs
Education ResourceSome commonly-asked questions about tornadoes in New Zealand. -
New Zealand Drought Monitor
ServiceThe New Zealand Drought Monitor is a system for keeping track of drought conditions across New Zealand based on a standardised climate index. -
Flooding - how does it happen?
Education ResourceUnderstanding what happens above and below ground during a flooding event, and how it is different from normal rainfall conditions -
Scientists go door-to-door in Edgecumbe collecting flood information
Media release26 April 2017Scientists will be knocking on doors in Edgecumbe next week seeking to survey the damage done to buildings from recent flooding caused when a stopbank on the Rangitaiki River breached. -
NIWA launches New Zealand Drought Index - a one-stop drought monitor
Media release24 March 2017A new tool to monitor drought conditions across New Zealand has been launched today by NIWA. -
NIWA launches high resolution flood forecasting
Feature story29 October 2015There was a common factor in the floods that hit swathes of New Zealand midway through this year – they were all forecastable.