Atmospheric analysis

NIWA discusses, in depth, this year's most asked question—what is happening to our fresh waterways?

Like the GMS satellite, the NOAA Series of polar orbiting satellites (operated by NOAA, the US National Oceanic and Atmospheric Administration) are a component of the World Weather Watch meteorological satellite network.

The 3-panel Soil Moisture Deficit (SMD) map shows the historical soil moisture deficit at the date shown (left), the soil moisture deficit at the same time last year (middle) and the current soil moisture deficit (right).

The New Zealand Palaeotsunami Database (Database) brings together all known information about tsunamis that occurred prior to written records.

Because of its exposure to disturbed weather systems from the Tasman Sea, this climate zone is often quite windy, but has few climate extremes.

Floods are not unusual in New Zealand, but those that hit us early this winter broke records. Why did they occur? Should we expect more? Can we predict future floods?

The majority of New Zealanders are able to recall a story about catching eels when they were children.

More information about our online freshwater databases.

Here are some simple steps to minimise the effects of dairying on water quality and mahinga kai.

Urbanisation has changed the face of many waterways that flow through urban areas

Understanding what happens above and below ground during a flooding event, and how it is different from normal rainfall conditions