Marine heatwave conditions forming: NIWA

Marine heatwave conditions forming: NIWA

NIWA forecasters say a marine heatwave is forming around parts of New Zealand after sea surface temperatures (SSTs) warmed considerably last month.

Scientists nurturing only plant of its kind

Scientists nurturing only plant of its kind

Mr Champion says that for the past five to six years NIWA has been working with the Lake Omapere Trustees to find a home for the quillwort in Northland.

Hotspot Watch 11 March 2020

Hotspot Watch 11 March 2020

As of 8 March, the New Zealand Drought Index (NZDI) map below shows that all of the upper North Island is experiencing severe meteorological drought, along with East Cape and interior Manawatu-Whanganui, with meteorological drought in many other locations.

NIWA's Hotspot Watch for 10 April 2019

NIWA's Hotspot Watch for 10 April 2019

Conversely, the lower east coast and the far south (including Hawke’s Bay, coastal Wairarapa and Wellington) saw a soil moisture increase due to rainfall totals above average for the time of year.

NIWA's Hotspot Watch for 4 April 2019

NIWA's Hotspot Watch for 4 April 2019

However, hotspots remain in place across western Northland and Aupouri Peninsula, a small portion of central Waikato, southern Manawatu-Whanganui, and much of Wairarapa and southern Hawke’s Bay. In the South Island, soil moisture levels generally did not change significantly in the past week.

NIWA's Hotspot Watch for 20 March 2019

NIWA's Hotspot Watch for 20 March 2019

The driest soils across the North Island compared to normal for this time of the year are found in eastern Northland, northern Waikato, and Bay of Plenty, while the wettest soils for this time of the year are located near Wellington City.