Hotspot Watch 20 May 2022

Hotspot Watch 20 May 2022

As of 17 May, the New Zealand Drought Index (NZDI) map below shows that dry conditions are located in parts of Waikato, northern Manawatū-Whanganui, much of the upper South Island, Banks Peninsula, and much of Otago.

Hotspot Watch 13 May 2022

Hotspot Watch 13 May 2022

As of 10 May, the New Zealand Drought Index (NZDI) map below shows that dry conditions are located in parts of Waikato and Manawatū-Whanganui, and much of the upper South Island and Otago.

Hotspot Watch 6 May 2022

Hotspot Watch 6 May 2022

As of 3 May, the New Zealand Drought Index (NZDI) map below shows that dry conditions are located in parts of the upper South Island, much of Otago, eastern Southland, and Stewart Island.

Hotspot Watch 29 April 2022

Hotspot Watch 29 April 2022

As of 26 April, the New Zealand Drought Index (NZDI) map below shows that dry conditions are located in parts of the upper South Island, West Coast, Otago, and Southland.

Hotspot Watch 22 April 2022

Hotspot Watch 22 April 2022

As of 19 April, the New Zealand Drought Index (NZDI) map below shows that dry conditions are now located in parts of the West Coast, central Otago, and northern Southland.

Hotspot Watch 14 April 2022

Hotspot Watch 14 April 2022

In the South Island, a and of moderate-to-heavy rainfall looks to move over Fiordland, Southland and the West Coast on Saturday 15th , delivering widespread 20-80 mm about western areas, and 5-15 mm for other parts of Southland and southern Otago.

Hotspot Watch 8 April 2022

Hotspot Watch 8 April 2022

The driest soils across the South Island, when compared to normal for this time of year, are found in Southland and southern Otago, while the wettest soils are found in northern coastal Canterbury, about Kaikoura.

Hotspot Watch 31 March 2022

Hotspot Watch 31 March 2022

In the North Island, soil moisture levels were generally normal or above normal, for the time of year, with the exception of the Hauraki Plains in Waikato, the Kaipara District in Northland, and around New Plymouth in Taranaki.

New national rainfall record surpasses 56-year-old record

New national rainfall record surpasses 56-year-old record

NIWA meteorologists say the 103 mm of rain from 4am-5am recorded at Maungatapere near Whangārei on Monday 21 March is a new national hourly rainfall record for a low elevation station.

Hotspot Watch 24 March 2022

Hotspot Watch 24 March 2022

As of 22 March, the New Zealand Drought Index (NZDI) map below shows that dry or very dry conditions are located in Northland, Auckland, northern Waikato, western Bay of Plenty, coastal Otago, and much of Southland.

Hotspot Watch 18 March 2022

Hotspot Watch 18 March 2022

This resulted in moderate to large soil moisture decreases across nearly the entire North Island, with the exception of parts of Gisborne and northern Hawke’s Bay. The driest soils across the North Island, when compared to normal for this time of the year, are found across much of Northland, Auckland, northern Waikato, interior Bay of Plenty, and East Cape, while the wettest soils for this time of the year are found in Kāpiti Coast and Wairarapa.

Hotspot Watch 11 March 2022

Hotspot Watch 11 March 2022

As of 8 March, the New Zealand Drought Index (NZDI) map below shows that dry or very dry conditions are now located in parts of Northland, Auckland, northern Waikato, coastal Otago, and much of Southland.

Hotspot Watch 4 March 2022

Hotspot Watch 4 March 2022

As of 2 March, the New Zealand Drought Index (NZDI) map below shows that dry or very dry conditions are now located across much of western Northland, Auckland, northwest Waikato, Southland and the pockets of the coastal fringe of Clutha.

Hotspot Watch 25 February 2022

Hotspot Watch 25 February 2022

As of 22 February, the New Zealand Drought Index (NZDI) map below shows that dry or very dry conditions are now located across much of Northland, Auckland, and Waikato.

Hotspot Watch 17 February 2022

Hotspot Watch 17 February 2022

As of 15 February, the New Zealand Drought Index (NZDI) map below shows that dry conditions are now located across the upper and central North Island.As of 15 February, the New Zealand Drought Index (NZDI) map below shows that dry conditions are now located across the upper and lower South Island.

Hotspot Watch 10 February 2022

Hotspot Watch 10 February 2022

As of 7 February, the New Zealand Drought Index (NZDI) map below shows that dry conditions are now located across the upper and lower South Island.

Hotspot Watch 27 January 2022

Hotspot Watch 27 January 2022

As of 25 January, the New Zealand Drought Index (NZDI) map below shows that dry conditions are now located across nearly all of the upper North Island, Bay of Plenty, parts of Gisborne and Hawke’s Bay. In addition, very dry or extremely dry conditions are located in much of Northland, Auckland, and Waikato, while a small area of meteorological drought has emerged in northwest Northland.

Hotspot Watch 20 January 2022

Hotspot Watch 20 January 2022

As of 17 January, the New Zealand Drought Index (NZDI) map shown below indicates that dry conditions are now located in Nelson, southern and interior Otago, eastern Southland, and Stewart Island.

Hotspot Watch 13 January 2022

Hotspot Watch 13 January 2022

The New Zealand Drought Index (NZDI) map below shows that dry conditions are now located in southern Otago, eastern Southland, and Stewart Island.

Hotspot Watch 6 January 2022

Hotspot Watch 6 January 2022

The New Zealand Drought Index (NZDI) map below shows that dry conditions have emerged in northern Kaipara Harbour and eastern Waikato.As of 4 January, the New Zealand Drought Index (NZDI) map below shows that dry-to-very dry conditions are located in parts of Southland, Raikura/Stewart Island and Clutha.

Hotspot Watch 16 December 2021

Hotspot Watch 16 December 2021

As of 14 December, the New Zealand Drought Index (NZDI) map below shows that dry conditions are located in Wairarapa along with coastal areas from Marlborough to central Canterbury.

Hotspot Watch 10 December 2021

Hotspot Watch 10 December 2021

During the past week, the former hotspot located in Wairarapa dissipated, but new hotspots formed in southern Northland, northern Auckland, a small area near Whakatāne, and southern Hawke’s Bay. The New Zealand Drought Index (NZDI) map below shows that dry and very dry conditions are now located in Wairarapa as of 8 December.

Hotspot Watch - 3 December 2021

Hotspot Watch - 3 December 2021

The New Zealand Drought Index (NZDI) map below shows that dry conditions continued to be located in the Wairarapa, with slim area of very dry conditions now emerging along the eastern coastal strip.

Hotspot Watch 26 November 2021

Hotspot Watch 26 November 2021

The New Zealand Drought Index (NZDI) map below shows that dry conditions are now located in coastal Wairarapa as of 23 November.The New Zealand Drought Index (NZDI) map below shows that dry conditions are now located in coastal Ashburton District as of 23 November.

Hotspot Watch 18 November 2021

Hotspot Watch 18 November 2021

The New Zealand Drought Index (NZDI) map below shows that no dry conditions are located in the North Island as of 15 November.The New Zealand Drought Index (NZDI) map below shows that no dry conditions are located in the South Island as of 15 November.

Hotspot Watch 11 November 2021

Hotspot Watch 11 November 2021

The New Zealand Drought Index (NZDI) map below shows that no dry conditions are located in the North Island as of 8 November.The New Zealand Drought Index (NZDI) map below shows that no dry conditions are located in the South Island as of 8 November.

Hotspot Watch 4 November 2021

Hotspot Watch 4 November 2021

The New Zealand Drought Index (NZDI) map below shows that no dry conditions are located in the North Island as of 1 November.The New Zealand Drought Index (NZDI) map below shows that no dry conditions are located in the South Island as of 1 November.

Tree Rings Show Modern Cyclones Are the Rainiest in Centuries

Tree Rings Show Modern Cyclones Are the Rainiest in Centuries

A recent study addresses this question by using tree rings to reconstruct hundreds of years of seasonal cyclone precipitation levels.“Often, tree-ring reconstructions show us that the extreme climate we have recorded with instruments (weather stations) over the last 120 years was surpassed back in time,” Maxwell told Ars Technica.

Record warmth so far this winter

Record warmth so far this winter

Sea temperatures around the coast have also been warmer than average, modifying colder air masses tracking towards New Zealand.Mr Noll said with the June and July temperatures tracking so far above average, this winter had a firm lead on last year’s figures.

NIWA calculates 1:200 year flood for parts of Canterbury

NIWA calculates 1:200 year flood for parts of Canterbury

Preliminary analysis by NIWA climate scientists has shown that the recent Canterbury rainfall was so extreme in some inland places that it could be expected to happen only once every 200 years.