Video | Business Headlines | Internet | Science | Scientific Ethics | Technology | Search

 


August 2014 Climate Summary

Full summary: Climate_Summary_August_2014.docx

Highly variable rainfall but plenty of sunshine

Rainfall

August rainfall was wide ranging. Above normal rainfall (120-149%) occurred throughout eastern Northland, Manawatu-Wanganui, Gisborne, Southland and parts of Central Otago. Conversely rainfall was below normal (50-79%) in the Waikato and Bay of Plenty, and well below normal (< 50%) in Tasman, Nelson, Marlborough and Canterbury.
SunshineA very sunny month for Waikato, Bay of Plenty, Central Otago as well as parts of the West Coast and Canterbury where above normal sunshine (110-125%) was experienced and several August records were set.
TemperatureNear average temperatures recorded in July persisted into August and characterised much of the country. Pockets of below average temperature (-1.20 to -0.51°C) were recorded in the districts of Waitomo, Opotoki, Central Hawke’s Bay, Tararua and South Wairarapa.
Soil MoistureAs of 1 September 2014, soil moisture levels were typical for the time of year for large parts of the country. Soils were slightly drier than normal in Taranaki, the West Coast and Tasman as well as the districts of Selwyn, Waimakariri and Timaru.

Overview

August 2014 was characterised by anomalously high pressure south of Australia extending over and around New Zealand. This pressure pattern brought about strong south-westerly flow anomalies to the country.

Rainfall during August was highly variable across the country. Above normal rainfall (120-149%) occurred throughout eastern Northland, Manawatu-Wanganui, Gisborne and Southland regions as well as the Central Otago and Mackenzie districts. The largest rainfall anomalies were in Whangarei and Gisborne where rainfall in excess of 200% of normal occurred. In contrast, dry conditions prevailed in the Waikato, Bay of Plenty, and the north of the West Coast where below normal rainfall (50-79%) was experienced. Conditions were even drier in Tasman, Nelson, Marlborough and coastal Canterbury where well below normal rainfall (< 50%) was observed. As a result, several sites in these regions experienced near-record low rainfall totals for the month.

A lack of rain in large parts of the country coincided with a very sunny end to winter with well above normal (>125%) or above normal (110-125%) sunshine recorded for many locations. It was particularly sunny in the Waikato, Bay of Plenty, Westland, southern Canterbury and Central Otago where well above normal sunshine was observed and several August records were set. Only two locations (Takaka and Martinborough) recorded below normal sunshine levels during August.

Soil moisture levels around the country were at field capacity at the start of August 2014 but began to deplete during the second half of the month. Despite this, as at 1 September soil moisture levels in most parts of the country remained within the near normal range for the time of year but were slightly drier than normal in Taranaki, the West Coast and Tasman as well as the districts of Selwyn, Waimakariri and Timaru.

The near average temperatures observed in July continued into August, with the majority of the country characterised again by near average temperatures (within 0.5°C of average). In fact nationwide, only a handful of stations reported above average mean temperatures for August. Small pockets of below average temperature (-1.20 to -0.51°C) were recorded in the districts of Waitomo, Opotoki, Central Hawke’s Bay, Tararua and South Wairarapa. Despite the fairly neutral August mean temperatures, some weather highlights did occur. In particular the 1st-3rd of August were exceptionally warm all around the country due to a north-westerly flow combined with the foehn effect in eastern areas. As a result, several locations experienced record or near record high daily maximum and minimum temperatures. The nation-wide average temperature in August 2014 was 8.7°C (0.1°C above the 1971-2000 August average from NIWA’s seven station temperature series which begins in 1909) [interim value].

Further Highlights:

• The highest temperature was 23.6°C, observed at Christchurch (Riccarton) on 2 August.

• The lowest temperature was -7.0°C, observed at Middlemarch on 4 August.

• The highest 1-day rainfall was 157.2 mm, recorded at Tolaga Bay on 4 August.

• The highest wind gust was 189 km/hr, observed at Cape Turnagain on 8 August.

• Of the six main centres in August 2014, Christchurch was the coolest and driest, Auckland was the warmest, wettest and cloudiest and Tauranga was the sunniest.

• Of the available, regularly reporting sunshine observation sites, the sunniest four centres so far in 2014 (January to August) are: Whakatane (1793 hours), Tauranga (1622 hours), Nelson (1557 hours) and Lake Tekapo (1554 hours).

Full summary: Climate_Summary_August_2014.docx

© Scoop Media

 
 
 
 
 
Business Headlines | Sci-Tech Headlines

 

Bad Day For Rope: Donaghys Job Losses Another Blow To Dunedin

The loss of 30 jobs from Donaghys rope and twine factory is yet another blow to the people and economy of Dunedin, says Dunedin South Labour MP Clare Curran. More>>

ALSO:

Oil: 2014 New Zealand Petroleum Summit

Simon Bridges: Our abundance of energy and minerals resources provides us with unique opportunities to build the New Zealand economy.

Over the past three years the Government has made significant changes to how the sector is regulated. More>>

ALSO:

WWF Report: Solutions In Reach; World Biodiversity Suffers Major Decline

Global wildlife populations have declined by more than half in just 40 years as measured in WWF's Living Planet Report 2014. Wildlife's continued decline highlights the need for sustainable solutions to heal the planet... More>>

ALSO:

Scoop Business: NZ Dollar Catches Breath After "Goldilocks" Slump

The New Zealand dollar edged up following its dramatic slump yesterday after the Reserve Bank confirmed speculation it intervened in the currency market last month and PM John Key suggested a “Goldilocks” level far lower than at present. More>>

ALSO:

Biosecurity: Kiwifruit Claim To Hold Officials Accountable For Psa

Kiwifruit growers have joined forces to hold Biosecurity NZ accountable in the courts for its negligence in allowing 2010’s Psa outbreak that devastated New Zealand’s kiwifruit industry and exports. Foundation claimants representing well ... More>>

ALSO:

Poison: Anglers Advised Not To Eat Trout In 1080 Areas

With the fishing season opening in just a few days (1 October 2014), anglers are being warned by the Department of Conservation(DOC) not to eat trout from pristine backcountry waters and their downstream catchments, where the department is conducting 1080 poisoning operations. More>>.

ALSO:

Get More From Scoop

 
 
Computer Power Plus

Standards New Zealand

Standards New Zealand

Mosh Social Media
 
 
 
 
 
 
 
 
Sci-Tech
Search Scoop  
 
 
Powered by Vodafone
NZ independent news