Drought

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Hotspots are now located across the majority of Northland, Auckland, northern Waikato, and interior Bay of Plenty, as well as central Manawatu-Whanganui and Napier south to Wairarapa. South Island hotspots are now located in a portion of interior Marlborough, eastern Banks Peninsula, and the lower Southland coast.

A weekly update describing soil moisture across the country to help assess whether severely to extremely dry conditions are occurring or imminent.  Regions experiencing these soil moisture deficits are deemed “hotspots”.  Persistent hotspot regions have the potential to develop into drought.

A weekly update describing soil moisture across the country to help assess whether severely to extremely dry conditions are occurring or imminent. Regions experiencing these soil moisture deficits are deemed “hotspots”. Persistent hotspot regions have the potential to develop into drought.
A weekly update describing soil moisture across the country to help assess whether severely to extremely dry conditions are occurring or imminent. Regions experiencing these soil moisture deficits are deemed “hotspots”. Persistent hotspot regions have the potential to develop into drought.

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NIWA 2017 Annual Climate Summary

Chris Brandolino (Principal Scientist - Forecasting) presents the 2017 Annual Climate Summary. See the detailed Annual Climate Summary.

Hotspots are now located across the majority of Northland, Auckland, northern Waikato, and interior Bay of Plenty, as well as central Manawatu-Whanganui and Napier south to Wairarapa. South Island hotspots are now located in a portion of interior Marlborough, eastern Banks Peninsula, and the lower Southland coast.

A weekly update describing soil moisture across the country to help assess whether severely to extremely dry conditions are occurring or imminent.  Regions experiencing these soil moisture deficits are deemed “hotspots”.  Persistent hotspot regions have the potential to develop into drought.

A weekly update describing soil moisture across the country to help assess whether severely to extremely dry conditions are occurring or imminent. Regions experiencing these soil moisture deficits are deemed “hotspots”. Persistent hotspot regions have the potential to develop into drought.
A weekly update describing soil moisture across the country to help assess whether severely to extremely dry conditions are occurring or imminent. Regions experiencing these soil moisture deficits are deemed “hotspots”. Persistent hotspot regions have the potential to develop into drought.
Areas deemed hotspots now encompass large portions of the entire North Island. Hotspots remain entrenched across the northern tier of the South Island, including across northern Tasman, Nelson, and much of Marlborough.
Across the North Island, soil moisture levels continued to decrease nearly everywhere during the past week. Across the South Island, soil moisture levels decreased nearly everywhere during the past week with little rainfall in the north, south and east.
Across the North Island, soil moisture levels decreased nearly everywhere during the past week. In the South Island, soil moisture levels decreased during the past week with meagre rainfall in the north and east.
Areas deemed hotspots have expanded significantly during the past week in the North Island, while in the South Island the previous hotspot encompassing Nelson and nearby portions of Tasman has continued to strengthen during the past week.
The previous hotspot in the Far North dissipated around the Aupouri Peninsula in the past week, but has spread south into northern Whangarei and Kaipara districts. The current hotspot in Tasman could strengthen in the next week, while central Canterbury may see a new hotspot form in the coming week.
The driest soils across the North Island compared to normal for this time of the year are found in an area stretching from coastal Manawatu-Whanganui northeast to Taupo. The driest soils across the South Island compared to normal for this time of the year are found in far southern Westland District. A small hotspot has emerged in Nelson in the past week.
A new hotspot emerged in the Rangitikei District in Manawatu-Wanganui during the past week. This is the only current hotspot in the North Island. There are currently no hotspots in the South Island.
All previous hotspots in the North Island dissipated this past week due to the heavy rainfall. Substantial rainfall in the past week caused the small hotspot in northwestern Marlborough to dissipate, and no other hotspots are currently in place in the South Island.
The driest soils across the North Island compared to normal for this time of the year are found in parts of Northland, Taupo, and Tararua District. A small hotspot is currently in place in northwestern Marlborough.
The driest soils across the North Island compared to normal for this time of the year are found in Whangarei and Kaipara districts, along with Taupo and Tararua. No hotspots are currently in place in the South Island.
The largest hotspot in the North Island continues to be found in Napier and southern Hastings District. A new, very small hotspot has also emerged this week near Cape Reinga. No hotspots are currently in place in the South Island.
With the recent rain, the soil moisture has generally improved across the North Island since last week. However, the soils are still drier than normal for the time of year in eastern Northland, western Auckland, western Waikato, western Taranaki, as well as Hawke’s Bay, central and southern Manawatu-Wanganui and Wairarapa.
Soils are drier than normal for the time of year in the majority of the North Island, excluding the eastern Gisborne region where the soil moisture is near average. Parts of Queenstown-Lakes District in Otago, the Grey and Buller Districts in the West Coast, northeastern Marlborough, and the Waimate District in southern Canterbury experience well below average rainfall for this time of year, while the rest of the South Island had near normal rainfall.
Inhabitants of the Marshall Islands may not be able to avoid drought, but thanks to a new tool co-developed by NIWA they can now plan ahead to better manage water resources when the big dry looms.
There are no currently no hotspots, but an area to monitor is in the southern Hurunui District in northern Canterbury.
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Hotspots in the North Island are located across Gisborne, the Tararua District, and in parts of west coastal Taranaki. The only hotspot in the South Island is in Southland.
North Island hotspots continue to be found across much of Gisborne, northern Hawke’s Bay, and Tararua west to Horowhenua and Kapiti Coast. A small hotspot has also emerged across the east coast of the Coromandel Peninsula. The only hotspot in the South Island continues to be located in Southland, but it has decreased significantly in size and strength due to the recent heavy rainfall.
Current North Island hotspots are found in coastal Gisborne, interior Wairoa, as well as small portions of Kapiti Coast, Horowhenua, and Tararua. The only hotspot in the South Island continues to be a sizeable one which covers much of southern and interior Otago and nearly all of Southland.
A weekly update describing soil moisture across the country to help assess whether severely to extremely dry conditions are occurring or imminent. Regions experiencing these soil moisture deficits are deemed “hotspots”. Persistent hotspot regions have the potential to develop into drought.
A weekly update describing soil moisture across the country to help assess whether severely to extremely dry conditions are occurring or imminent. Regions experiencing these soil moisture deficits are deemed “hotspots”. Persistent hotspot regions have the potential to develop into drought.

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