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April 2017 New Zealand Storm and Ex-tropical Cyclone Cook
A storm brought heavy rain and flooding to New Zealand over the period 11-14 April. During this time ex-tropical cyclone Cook brought severe gales to the Coromandel, central and eastern North Island, Marlborough and Canterbury.
April 2017 New Zealand Ex Cyclone Debbie
A storm, including the remnants of Cyclone Debbie, brought heavy rain, flooding and land slips to many areas over the period 3-6 April.
March 2017 North Island Heavy Rain and Flooding
Very heavy rain fell over many areas of the North Island during the period 7-13 March, which resulted in severe flooding. A slow-moving depression remained in the North Tasman Sea for most of this period. Fronts on the eastern edge of the depression brought the rain.
August 2016 New Zealand Cold Snap
A very cold spell of weather from 3-11 August brought snow to low levels in the east of the South Island, and a severe snowstorm hit areas on the Napier-Taupo Highway. Later in the period there was heavy rain and flooding in some northern North Island areas.
March 2016 New Zealand Storm
A period of extreme weather affected many areas of New Zealand on 24 March. There was flooding on the West Coast of the South Island, and around the Nelson area. Strong winds affected areas around Auckland and Northland.
December 2015 Canterbury and Otago Storm
Canterbury and Otago were hit hard by a severe storm in the afternoon of 15 December 2015. Lightning strikes caused fires, power lines came down, and there were tornadoes, hail storms and flooding. Cooling upper level temperatures over Canterbury and Otago combined with daytime heating led to the development of showers and a few thunderstorms. MetService had a severe thunderstorm watch in place in Christchurch, the Canterbury Plains and high country and North Otago. Weather forecasters were predicting hail up to 3cm across.
June 2015 New Zealand Storm
A period of extreme weather affected many areas of New Zealand during the period 18-23 June. There was heavy snow in the South Island followed by severe frosts, and severe flooding in western areas of the South and North Islands.
June 2015 Otago Flood
A low pressure system to the southeast of the South Island bought heavy rainfall to coastal Otago on 3 June 2015. Every coastal catchment from Oamaru south to Balclutha experienced some degree of flooding during this event.
May 2015 Bay of Plenty Tornado
A tornado hit Mount Maunganui just before 8.30pm, damaging homes and buildings, causing havoc with powerlines, pulling down fences and scattering debris across roads.
May 2015 Wellington Flooding
Very heavy rain from a strong moist northwest flow caused rivers and streams to rise rapidly, and resulted in surface flooding and slips on the Kapiti Coast and Wellington.
July 2014 Upper North Island Storm
From 8-12 July there was a very strong moist northeasterly flow over the north of the North Island. This brought severe gales, which blew down trees, blew roofs off houses and cut power to thousands of households. There was also prolonged heavy rain which caused flooding in some areas. Northland was worst affected, with much damage resulting.
June 2014 New Zealand Storm
A complex low pressure system extended from the mid-Tasman Sea to the northwest of the North Island, bringing a moist northeasterly flow over NZ. This resulted in severe gales in many northern North Island areas, with Auckland being particularly hard hit. Meanwhile, a slow-moving high to the southeast of the South Island pushed colder air onto the island. This clashed with the warmer air coming from the northeast over North Canterbury and the Kaikoura Coast, resulting in heavy rain.
April 2014 New Zealand Storm
Ex-tropical cyclone Ita lay to the west of the North Island bringing heavy rain and strong winds. It moved southwards during the period 17-19 April. The very strong winds caused lots of damage, and brought down power lines, cutting the power supply to thousands of homes. Heavy rain also caused flooding. The worst affected area was the West Coast of the South Island.
March 2014 Canterbury and Lower North Island Storm
A deep low to the east of the South Island moved slowly northwards during the period 3-5 March. The very strong winds caused lots of damage, and brought down power lines, cutting the power supply to thousands of homes. Heavy rain caused flooding in Christchurch.
September 2013 New Zealand Storm
An active front crossed New Zealand during the period 10-12 September. The front was preceded by a very strong northwest flow, with very heavy rain and thunderstorms. The very strong winds caused lots of damage, blew vehicles off roads, and brought down power lines, cutting the power supply to thousands of homes.
June 2013 New Zealand Storm
A very strong cold southerly flow swept over the country, bringing very heavy snowfall, heavy rain and gale force winds.
May 2013 New Zealand Storm
A deep low pressure system crossed New Zealand during the period 4-6 May, bringing stormy weather to many areas. Heavy downpours caused chaos around the country with power cut to hundreds of homes, buildings flooded and some flights suspended.
April 2013 Upper North Island and Nelson Storm
Clashes of cold southeasterly and warm northerly airmasses, from a large and complex low pressure system in the Tasman Sea, brought wet and unsettled weather to many areas of New Zealand. The worst weather during this period were very heavy rainfalls in the western Bay of Plenty on the 20th and in the Nelson region on the 21st.
December 2012 Auckland Tornado
Around midday on Thursday 6 December an active trough line passed slowly through Auckland. A thunderstorm in this line produced a tornado that touched down near Hobsonville and Whenuapai. After passing northwest Auckland, the line of showers continued on a southeast path that took it across northern Waikato, Bay of Plenty and across Mahia Peninsula
March 2012 North Island Storm
Heavy rain caused flooding and high winds caused damage and disruption in many North Island places. The worst affected areas were Northland, Gisborne, Taranaki, and Wellington.
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