100 years
Thunderstorms brought lightning, heavy rain and flooding to many parts of the North Island and upper South Island. Wellington and Hawke's Bay were the worst affected regions, with extreme rainfalls causing flooding of properties and streets. A person in Auckland was treated for an eye injury caused by a sewage overflow.
A shallow trough of low pressure containing humid, unstable air and light, and convergent low-level winds.
Thunderstorms, some hail and surface flooding occurred over Wanganui, Manawatu, and the central and eastern North Island on the 9th/10th.
Unstable weather conditions generated a devastating storm that hit the lower North Island on the night of the 10th. A lot of afternoon convective thunderstorms had developed.
Thunderstorms passed over Auckland overnight on the 9th/10th.
Heavy rain fell in Auckland overnight on the 9th/10th.
Heavy rain fell for 30 minutes between 8pm and 8:30pm on the 9th.
Auckland recieved 20 mm (2.0 cm) of rain on the night of the 9th.
Auckland received about 100 mm (10.0 cm) of rain in 24 hours.
Flash floods occurred in Auckland after torrential rain on the 9th.
Half Moon Bay and Howick were the most affected.
A person was treated by ambulance officers for "severe eye irritation" caused by a sewage overflow.
Firefighters received over 30 weather-related calls from St Heliers, Howick, Glen Innes and Half Moon Bay alone.
Flooding was reported on the Ellerslie-Panmure Highway.
There were reports from 7:30pm of surface flooding in Merton Road, Glen Innes.
Twelve homes in Half Moon Bay were flooded.
A small creek overflowed and flooded Angelo Road in Howick.
Angelo Road was covered in up to 45 cm of water at the height of downpour.
Flooding carried sewage was into garages and laundries of an apartment block in Gillies Road, Otahuhu.
Hail stones were reported on the North Shore.
Hamilton recorded 33 mm (3.3 cm) of rain on the night of the 9th.
Hamilton received the most rain on in the night's downpour.
Tauranga was hit by thunderstorms on the 10th.
The roof of a house caught fire after it was hit by lightning.
Heavy rain brought flooding to the Napier and Hastings area on the evening of the 10th.
Widespread surface flooding occurred.
Streets were turned into rivers and some were closed. Footpaths were damaged by flood waters.
Properties were damaged by flood waters.
Shops were flooded as stormwater systems were unable to cope.
Flooding caused power cuts.
It was described as a 100 year event (the second in a month).
It was the region's worst electrical storm in years.
Bay View recorded 13.3 mm (1.3 cm) of rain in 90 minutes on the 10th.
Chesterhope recorded 65 mm (6.5 cm) of rain in 45 minutes.
Clive recorded 32.6 mm (3.3 cm) of rain in 90 minutes on the 10th.
Hastings recorded 77 mm (7.7 cm) of rain in 90 minutes on the 10th (Return Period well over 150 years).
Many shops in Hastings were flooded.
Water was up to 100 mm (10 cm) deep in shops.
The Napier and Hastings city centres were flooded to a depth of 30 cm in some places.
Havelock North recorded 38.8 mm (3.9 cm) of rain in one hour on the 10th.
Havelock North recorded 59.4 mm (5.9 cm) of rain in 90 minutes on the 10th.
Havelock North was the hardest hit by Thursday night's torrential rain.
Napier was hit by a deluge at 9:30pm on the 10th.
Napier recorded 70 mm (7.0 cm) of rain in 90 minutes on the 10th (Return Period over 150 years).
Napier Airport recorded 29 mm (2.9 cm) of rain in one hour on the 10th.
Many shops in Napier were flooded. Some hosues were flooded
Nearly 1000 consumers were without power for several hours after a transformer was flooded in Churchill Drive, Taradale.
Some streets were impassable due to surface floding.
Fire services had to pump out a Cinema 4 theatre after water entered the building.
Water was over 50 cm deep in an underground office complex.
A woman tried to drive round an upturned manhole cover and rushing water but hit a second cover, which pushed the car onto its side.
The Napier and Hastings city centres were flooded to a depth of 30 cm in some places.
Kingdom Music Napier was flooded and $90,000 ($110,000 2008 dollars) of electric guitars, amplifiers, and accessories were damaged.
Water caused over $30,000 ($36,000 2008 dollars) of damage to electrical equipment and fittings when it flooded both floors of the Electrotech Controls Napier Building.
Lightning struck a house at Taradale.
Lightning struck one of the four light towers in McLean Park.
The damage was expected to run into millions of dollars.
Pakowhai recorded 26.9 mm (2.7 cm) of rain in one hour on the 10th.
Pakowhai recorded 57.9 mm (5.8 cm) of rain in 90 minutes on the 10th.
Roys Hill recorded 43.7 mm (4.4 cm) of rain in 90 minutes on the 10th.
Te Aute recorded 47.5 mm (4.8 cm) of rain in 90 minutes on the 10th.
Te Papa recorded 25.2 mm (2.5 cm) of rain in 90 minutes on the 10th.
Twyford recorded 26.9 mm (2.7 cm) of rain in one hour on the 10th.
Twyford recorded 55.4 mm (5.5 cm) of rain in 90 minutes on the 10th.
An electrical storm formed near Waipukurau on the 10th and travelled north.
Thunderstorms, some hail and surface flooding occurred over Wanganui and Manawatu.
A railway wash out occurred at Mangaweka.
The Wellington Fire Service was flat out with calls about flooding about fire alarms set off by lightning.
The weather system was very localised. Some eastern and northern suburbs had negligible amounts of rain.
Likely sounding over Wellington showed the deep instability and high, ‘skinny’ CAPE characteristic of soundings within high rainfall storms. The low storm motion also contributed to high rainfall. The “straight-up-and-down” structure of storm points to low shears that prevailed over area, leading to intense rainfall over small area. The sea-breeze convergence zone was the trigger.
Insurance Industry Payouts for the Wellington / Wairarapa Flooding totalled $600,000 ($725,000 2008 dollars).
A huge lightning and thunderstorm formed over Wellington city and suburbs just after 7pm on the 10th.
Television coverage to 2500 Wellington homes was out when lightning struck a translator.
There was also thunderstorm activity in Wairarapa.
Extremely localised torrential rainfall accompanied the storm.
The worst flooding in recent history occurred.
Kelburn recorded over 50 mm (5.0 cm) of rain in less than one hour on the 10th (Return Period over 150 years).
Wellington recorded about 40 mm (4.0 cm) of rain in 30 minutes from 7:05pm on the 10th.
Wellington recorded 52 mm (5.2 cm) of rain in one hour on the 10th. This was more than half the city's average January rainfall of 81 mm (8.1 cm). It was said to be a 100-year deluge.
Flash floods occurred in the city centre around 7pm.
Water was knee deep in Wakefield Street and other city streets.
Shops and buildings were flooded, including the central fire station.
There were 60 emergency calls related to the worst flooding in central city streets.
Scores of manhole covers were blown off roads.
Thunderstorms hit the Nelson region on the night of the 10th.
100 people were ferried from Abel Tasman tracks and coastline.
Totaranui recorded 150 mm (15.0 cm) of rain in 12 hours on the 10th.
80 campers were evacuated from a Totarunui camping ground.
The road from Totaranui to Takaka was closed.
Thunderstorms hit much of the Buller region on the night of the 10th.
There were power cuts to the Clutha Region on the 10th.
Five trampers were rescued from the flooded Waikouiti River, near Dunedin.
100 years
Thunderstorms brought lightning, heavy rain and flooding to many parts of the North Island and upper South Island. Wellington and Hawke's Bay were the worst affected regions, with extreme rainfalls causing flooding of properties and streets. A person in Auckland was treated for an eye injury caused by a sewage overflow.
A shallow trough of low pressure containing humid, unstable air and light, and convergent low-level winds.
Thunderstorms, some hail and surface flooding occurred over Wanganui, Manawatu, and the central and eastern North Island on the 9th/10th.
Unstable weather conditions generated a devastating storm that hit the lower North Island on the night of the 10th. A lot of afternoon convective thunderstorms had developed.
Thunderstorms passed over Auckland overnight on the 9th/10th.
Heavy rain fell in Auckland overnight on the 9th/10th.
Heavy rain fell for 30 minutes between 8pm and 8:30pm on the 9th.
Auckland recieved 20 mm (2.0 cm) of rain on the night of the 9th.
Auckland received about 100 mm (10.0 cm) of rain in 24 hours.
Flash floods occurred in Auckland after torrential rain on the 9th.
Half Moon Bay and Howick were the most affected.
A person was treated by ambulance officers for "severe eye irritation" caused by a sewage overflow.
Firefighters received over 30 weather-related calls from St Heliers, Howick, Glen Innes and Half Moon Bay alone.
Flooding was reported on the Ellerslie-Panmure Highway.
There were reports from 7:30pm of surface flooding in Merton Road, Glen Innes.
Twelve homes in Half Moon Bay were flooded.
A small creek overflowed and flooded Angelo Road in Howick.
Angelo Road was covered in up to 45 cm of water at the height of downpour.
Flooding carried sewage was into garages and laundries of an apartment block in Gillies Road, Otahuhu.
Hail stones were reported on the North Shore.
Hamilton recorded 33 mm (3.3 cm) of rain on the night of the 9th.
Hamilton received the most rain on in the night's downpour.
Tauranga was hit by thunderstorms on the 10th.
The roof of a house caught fire after it was hit by lightning.
Heavy rain brought flooding to the Napier and Hastings area on the evening of the 10th.
Widespread surface flooding occurred.
Streets were turned into rivers and some were closed. Footpaths were damaged by flood waters.
Properties were damaged by flood waters.
Shops were flooded as stormwater systems were unable to cope.
Flooding caused power cuts.
It was described as a 100 year event (the second in a month).
It was the region's worst electrical storm in years.
Bay View recorded 13.3 mm (1.3 cm) of rain in 90 minutes on the 10th.
Chesterhope recorded 65 mm (6.5 cm) of rain in 45 minutes.
Clive recorded 32.6 mm (3.3 cm) of rain in 90 minutes on the 10th.
Hastings recorded 77 mm (7.7 cm) of rain in 90 minutes on the 10th (Return Period well over 150 years).
Many shops in Hastings were flooded.
Water was up to 100 mm (10 cm) deep in shops.
The Napier and Hastings city centres were flooded to a depth of 30 cm in some places.
Havelock North recorded 38.8 mm (3.9 cm) of rain in one hour on the 10th.
Havelock North recorded 59.4 mm (5.9 cm) of rain in 90 minutes on the 10th.
Havelock North was the hardest hit by Thursday night's torrential rain.
Napier was hit by a deluge at 9:30pm on the 10th.
Napier recorded 70 mm (7.0 cm) of rain in 90 minutes on the 10th (Return Period over 150 years).
Napier Airport recorded 29 mm (2.9 cm) of rain in one hour on the 10th.
Many shops in Napier were flooded. Some hosues were flooded
Nearly 1000 consumers were without power for several hours after a transformer was flooded in Churchill Drive, Taradale.
Some streets were impassable due to surface floding.
Fire services had to pump out a Cinema 4 theatre after water entered the building.
Water was over 50 cm deep in an underground office complex.
A woman tried to drive round an upturned manhole cover and rushing water but hit a second cover, which pushed the car onto its side.
The Napier and Hastings city centres were flooded to a depth of 30 cm in some places.
Kingdom Music Napier was flooded and $90,000 ($110,000 2008 dollars) of electric guitars, amplifiers, and accessories were damaged.
Water caused over $30,000 ($36,000 2008 dollars) of damage to electrical equipment and fittings when it flooded both floors of the Electrotech Controls Napier Building.
Lightning struck a house at Taradale.
Lightning struck one of the four light towers in McLean Park.
The damage was expected to run into millions of dollars.
Pakowhai recorded 26.9 mm (2.7 cm) of rain in one hour on the 10th.
Pakowhai recorded 57.9 mm (5.8 cm) of rain in 90 minutes on the 10th.
Roys Hill recorded 43.7 mm (4.4 cm) of rain in 90 minutes on the 10th.
Te Aute recorded 47.5 mm (4.8 cm) of rain in 90 minutes on the 10th.
Te Papa recorded 25.2 mm (2.5 cm) of rain in 90 minutes on the 10th.
Twyford recorded 26.9 mm (2.7 cm) of rain in one hour on the 10th.
Twyford recorded 55.4 mm (5.5 cm) of rain in 90 minutes on the 10th.
An electrical storm formed near Waipukurau on the 10th and travelled north.
Thunderstorms, some hail and surface flooding occurred over Wanganui and Manawatu.
A railway wash out occurred at Mangaweka.
The Wellington Fire Service was flat out with calls about flooding about fire alarms set off by lightning.
The weather system was very localised. Some eastern and northern suburbs had negligible amounts of rain.
Likely sounding over Wellington showed the deep instability and high, ‘skinny’ CAPE characteristic of soundings within high rainfall storms. The low storm motion also contributed to high rainfall. The “straight-up-and-down” structure of storm points to low shears that prevailed over area, leading to intense rainfall over small area. The sea-breeze convergence zone was the trigger.
Insurance Industry Payouts for the Wellington / Wairarapa Flooding totalled $600,000 ($725,000 2008 dollars).
A huge lightning and thunderstorm formed over Wellington city and suburbs just after 7pm on the 10th.
Television coverage to 2500 Wellington homes was out when lightning struck a translator.
There was also thunderstorm activity in Wairarapa.
Extremely localised torrential rainfall accompanied the storm.
The worst flooding in recent history occurred.
Kelburn recorded over 50 mm (5.0 cm) of rain in less than one hour on the 10th (Return Period over 150 years).
Wellington recorded about 40 mm (4.0 cm) of rain in 30 minutes from 7:05pm on the 10th.
Wellington recorded 52 mm (5.2 cm) of rain in one hour on the 10th. This was more than half the city's average January rainfall of 81 mm (8.1 cm). It was said to be a 100-year deluge.
Flash floods occurred in the city centre around 7pm.
Water was knee deep in Wakefield Street and other city streets.
Shops and buildings were flooded, including the central fire station.
There were 60 emergency calls related to the worst flooding in central city streets.
Scores of manhole covers were blown off roads.
Thunderstorms hit the Nelson region on the night of the 10th.
100 people were ferried from Abel Tasman tracks and coastline.
Totaranui recorded 150 mm (15.0 cm) of rain in 12 hours on the 10th.
80 campers were evacuated from a Totarunui camping ground.
The road from Totaranui to Takaka was closed.
Thunderstorms hit much of the Buller region on the night of the 10th.
There were power cuts to the Clutha Region on the 10th.
Five trampers were rescued from the flooded Waikouiti River, near Dunedin.