NZ Historic Weather Events Catalogue

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ModerateOctober 2000 New Zealand Weather Bomb ( 2000-10-11 )

40 years

A "bomb" depression brought high winds, heavy, rain, flooding and high seas to parts of the South Island and North Island. Canterbury was the main affected area, with road closures, power cuts and much damage done to property. A man was drowned on the West Coast after his boat flipped in heavy seas.

New Zealand

Multi HazardMulti Hazard at New Zealand
Duration:   3  days - From the 11th to the 13th of October.
Comments:

CauseA rapidly deepening "bomb" depression generated in the Tasman Sea moved over the South Island. The deep low moved north-east overnight on the 12th/13th, hitting the lower North Island, and slowly moving towards the Chathams.

CommentA vicious southerly storm pounded the South Island and the lower North Island.

Affected LifelineThere were widespread power cuts.

Affected LifelineMany roads were closed.

South Island

Multi HazardMulti Hazard at South Island
Comments:

DamageRoads and buildings were damaged around the South Island.

Auckland

High Wind GustsHigh Wind / Gust at Auckland
Comments:

Peak Wind SpeedAuckland was lashed by winds gusting up to 100 km/hr on the 12th.

ImpactAt least two boats broke from their moorings.

High Wind GustsHigh Wind / Gust at Clevedon
Map Location: -36.993102 175.038415
Comments:

Affected LifelineA fallen tree closed Twilight Road in Clevedon.

Waikato

Snow / IceSnow / Ice at Taupo
Map Location: -38.69531 176.070758
Comments:

CommentSnow fell in the foothills around Taupo, and in rural farm areas west of Taupo.

Snow / IceSnow / Ice at Turangi
Map Location: -38.98423 175.791331
Comments:

CommentSnow fell in the foothills around Turangi.

Hawke's Bay

High Wind GustsHigh Wind / Gust at Hawke's Bay
Comments:

Crop DamageThe wind caused crop damage in Hawke's Bay. Asparagus crops were damaged.

Manawatu-Wanganui

Snow / IceSnow / Ice at Desert Road
Map Location: -39.30009 175.73859
Comments:

Affected LifelineHeavy snowfalls closed the Desert Road for most of the day on the 12th.

Snow / IceSnow / Ice at Whakapapa Skifield
Map Location: -39.257041 175.554864
Comments:

Peak Snow DepthUp to 25 cm snow fell on the Whakapapa skifields.

Wellington

High Wind GustsHigh Wind / Gust at Wellington
Comments:

Physical CharacteristicWinds of up to 50 km/hr struck Wellington on the 12th.

DamageWinds brought down trees and power and telephone poles.

Maritime / CoastalMaritime / Coastal at Cook Strait
Map Location: -41.247772 174.473756
Comments:

Affected LifelineCook Strait ferries sailings were cancelled on the 12th. The 6pm and 9:30pm Interislander ferry sailings were cancelled.

Peak Wind SpeedCook Strait recorded a peak wind speed of 161 km/hr on the 12th.

Maritime / CoastalMaritime / Coastal at Eastbourne
Map Location: -41.292273 174.883144
Comments:

Affected LifelineEastbourne Road was closed when debris was thrown onto it from the sea.

West Coast

Maritime / CoastalMaritime / Coastal at Okuru River
Map Location: -43.908028 168.871375
Comments:

CasualtiesA fisherman man was lost at sea after his boat flipped in heavy seas on the Okuru River bar just before 7:30am on the 12th. His body was found on the beach at Waita.

Canterbury

Multi HazardMulti Hazard at Canterbury
Comments:

CommentBanks Peninsula, the Kaikoura Coast and other parts of Canterbury felt the effects of the severe southerly storm on the 12th. Wind and rain lashed the region. The storm eased on the morning of the 13th.

Physical CharacteristicThe Plains and the coast had heavy rain and wind generally blustering to about 60 km/hr.

Affected LifelineDamage was done to roads and bridges. Many highways in North Canterbury were hit by high winds, flooding and fallen trees. The weather made driving conditions difficult throughout the province.

ImpactOne truck was blown over.

CommentIt was the worst storm in the Canterbury region for several years.

ImpactThe storm forced nearly 20 Canterbury people to flee their homes.

Insurance PaymentInsurance Industry Payouts for the Canterbury Storms totalled $9,400,000 ($11,600,000 2008 dollars).

FloodingFlooding
Comments:

Affected LifelineHeavy rain caused widespread surface flooding.

High Wind GustsHigh Wind / Gust
Comments:

DamageThe wind brought down trees in parts of the region.

Affected LifelineFalling trees and branches dragged down overhead powerlines across the city and into mid-Canterbury on the 12th. Power was cut to 9000 homes in the Canterbury region, from Banks Peninsula through Chirstchurch and North Canterbury to Kaikoura. Overhead powerlines were still being brought down overnight on the 12th/13th. The power cuts lasted until the 14th in some places.

Physical CharacteristicSome experts claimed gusts of 170-180 km/hr screamed across the region.

Maritime / CoastalMaritime / Coastal
Comments:

CommentWinds created big seas off the coast.

LandslideLandslide
Comments:

DamageA house was threatened by a slip.

Maritime / CoastalMaritime / Coastal at Akaroa
Map Location: -43.806637 172.973757
Comments:

DamageA yacht was driven ashore at Akaroa.

FloodingFlooding at Banks Peninsula
Map Location: -43.73644 173.024672
Comments:

EvacueesHomes on Bank Peninsula were evacuated.

High Wind GustsHigh Wind / Gust
Comments:

Physical CharacteristicBanks Peninsula had wind gusts of up to about 100 km/hr on the 11th.

Snow / IceSnow / Ice
Comments:

CommentSnow flurries swept Banks Peninsula on the 11th.

Heavy RainHeavy Rain at Christchurch
Map Location: -43.53112 172.636147
Comments:

Physical CharacteristicChristchurch city recorded 70 mm (7.0 cm) of rain in 48 hours.

FloodingFlooding
Comments:

CommentThe Avon and Heathcote Rivers flooded.

Affected LifelineWaist-deep flood waters closed Christchurch roads.

ImpactFloodwaters inundated the Redcliffs-Sumner area, and threatened homes.

EvacueesPolice and the Army helped evacuate about 30 people living near the Heathcote River in the Bexley area as high tide approached in late afternoon on the 12th.

Property DamageThere were reports of water damage in central city commercial buildings.

Affected LifelineThe Heathcote River breached its banks near Colombo Street, and flooded the road.

ImpactThe flood waters were up to letterbox height on many properties.

High Wind GustsHigh Wind / Gust
Comments:

DamageThe wind brought down trees throughout the city and on the Port Hills. Hundreds of trees were felled. One car was destroyed.

Affected Lifeline6000 homes in pockets around the city and on Banks Peninsula were affected by power cuts on the 12th, including Lyttelton, Governors Bay, Cashmere, Sumner, Marshland and Spencerville. Some homes were still without power and water on the morning of the 13th.

Physical CharacteristicSumner recorded wind gusts of 120 km/hr.

Physical CharacteristicChristchurch Airport recorded gusts of over 90 km/hr.

Property DamageBuildings around the city suffered, with roofs being lifted and walls and fences being stove in.

ImpactChristchurch Botanic Gardens was closed for safety reasons.

Multi HazardMulti Hazard
Comments:

ImpactThe weather closed Linwood High School.

ImpactThe Fire Service had received over 120 calls from 8am on the 12th.

CommentOfficials described the storm as a one-in 40-year event.

Multi HazardMulti Hazard at Diamond Harbour
Map Location: -43.626777 172.727265
Comments:

ImpactThe weather closed Diamond Harbour School.

High Wind GustsHigh Wind / Gust at Kaikoura
Map Location: -42.402255 173.685685
Comments:

Affected LifelinePower cuts occurred at Kaikoura.

High Wind GustsHigh Wind / Gust at Le Bons Bay
Map Location: -43.760725 173.058209
Comments:

Physical CharacteristicLe Bons Bay had a mean wind speed of 120 km/hr on the morning of the 12th.

Physical CharacteristicLe Bons Bay recorded winds of 111 km/hr.

High Wind GustsHigh Wind / Gust at Lyttelton
Map Location: -43.601111 172.721186
Comments:

Affected LifelineWesterly winds closed Lyttelton port at 5:30am on the 12th. A cruise ship was ordered to bypass the port.

DamageThe unfinished marina was devastated, and virtually all gone.

DamageThe winds tossed moored boats about and ripped some from their marina moorings. About 30 boats sank around Lyttelton and many more were damaged. The majority of Canterbury's keeler racing fleet was destroyed.

Peak Wind SpeedLyttleton recorded a peak wind gust of 93 km/hr.

CommentThe Lyttelton Harboumaster said the storm was exceptional, and had not seen such severe conditions in 30 years of ship handling.

Multi HazardMulti Hazard
Comments:

Affected LifelineLyttelton and its port were isolated on the 12th, with all access roads closed. Roads between Christchurch and the port were cut by felled trees and overhead lines and slips. The main over hill road links to Lyttelton were still cut on the morning of the 13th, with the only direct route through the tunnel.

DamageThe overall damage was expected to run into millions of dollars.

Maritime / CoastalMaritime / Coastal
Comments:

Physical CharacteristicWave were up to 6 m high.

Snow / IceSnow / Ice at Mount Hutt Skifield
Map Location: -43.495213 171.524135
Comments:

Physical CharacteristicMt Hutt skifield received 20 cm of snow overnight on the 11th/12th.

High Wind GustsHigh Wind / Gust at Rakaia Huts
Map Location: -43.885159 172.237695
Comments:

Affected LifelinePower cuts occurred in Rakaia Huts.

Southland

Multi HazardMulti Hazard at Southland
Comments:

Affected LifelineThe Te Anau-Milford Road was closed on the 12th.

References

Insurance Councils. The Cost of Weather Loses, Claims History (Updated 2004).
Major weather events in New Zealand, Floods and High Rainfall, Floods to 31st July 2006.
www.metservice, notable weather events.govt.nz.
Meteorological Society of New Zealand (Inc.) Newsletter 83, December 2000.
Headline: Evacuations in Christchurch as storm rages.
www.nzherald.co.nz, Source: IRN, 12 October 2000.
Headline: Storm closes Lyttelton port.
www.nzherald.co.nz, Source: IRN and Christchurch Star, 12 October 2000.
Headline: Big clean up after 'half-century' storm batters Christchurch.
www.nzherald.co.nz, Source: Christchurch Star and IRN, 13 October 2000.
Headline: South licking wounds after brutal storm.
www.nzherald.co.nz, Source: NZ Herald and NZPA, 13 October 2000.
Headline: Storm keeps ferries in port.
www.nzherald.co.nz, 13 October 2000, 10:20am.
Headline: Calls for inquiry after marina disaster.
www.nzherald.co.nz, 16 October 2000.

ModerateOctober 2000 New Zealand Weather Bomb ( 2000-10-11 )

40 years

A "bomb" depression brought high winds, heavy, rain, flooding and high seas to parts of the South Island and North Island. Canterbury was the main affected area, with road closures, power cuts and much damage done to property. A man was drowned on the West Coast after his boat flipped in heavy seas.

New Zealand

Multi HazardMulti Hazard at New Zealand
Duration:   3  days - From the 11th to the 13th of October.
Comments:

CauseA rapidly deepening "bomb" depression generated in the Tasman Sea moved over the South Island. The deep low moved north-east overnight on the 12th/13th, hitting the lower North Island, and slowly moving towards the Chathams.

CommentA vicious southerly storm pounded the South Island and the lower North Island.

Affected LifelineThere were widespread power cuts.

Affected LifelineMany roads were closed.

South Island

Multi HazardMulti Hazard at South Island
Comments:

DamageRoads and buildings were damaged around the South Island.

Auckland

High Wind GustsHigh Wind / Gust at Auckland
Comments:

Peak Wind SpeedAuckland was lashed by winds gusting up to 100 km/hr on the 12th.

ImpactAt least two boats broke from their moorings.

High Wind GustsHigh Wind / Gust at Clevedon
Map Location: -36.993102 175.038415
Comments:

Affected LifelineA fallen tree closed Twilight Road in Clevedon.

Waikato

Snow / IceSnow / Ice at Taupo
Map Location: -38.69531 176.070758
Comments:

CommentSnow fell in the foothills around Taupo, and in rural farm areas west of Taupo.

Snow / IceSnow / Ice at Turangi
Map Location: -38.98423 175.791331
Comments:

CommentSnow fell in the foothills around Turangi.

Hawke's Bay

High Wind GustsHigh Wind / Gust at Hawke's Bay
Comments:

Crop DamageThe wind caused crop damage in Hawke's Bay. Asparagus crops were damaged.

Manawatu-Wanganui

Snow / IceSnow / Ice at Desert Road
Map Location: -39.30009 175.73859
Comments:

Affected LifelineHeavy snowfalls closed the Desert Road for most of the day on the 12th.

Snow / IceSnow / Ice at Whakapapa Skifield
Map Location: -39.257041 175.554864
Comments:

Peak Snow DepthUp to 25 cm snow fell on the Whakapapa skifields.

Wellington

High Wind GustsHigh Wind / Gust at Wellington
Comments:

Physical CharacteristicWinds of up to 50 km/hr struck Wellington on the 12th.

DamageWinds brought down trees and power and telephone poles.

Maritime / CoastalMaritime / Coastal at Cook Strait
Map Location: -41.247772 174.473756
Comments:

Affected LifelineCook Strait ferries sailings were cancelled on the 12th. The 6pm and 9:30pm Interislander ferry sailings were cancelled.

Peak Wind SpeedCook Strait recorded a peak wind speed of 161 km/hr on the 12th.

Maritime / CoastalMaritime / Coastal at Eastbourne
Map Location: -41.292273 174.883144
Comments:

Affected LifelineEastbourne Road was closed when debris was thrown onto it from the sea.

West Coast

Maritime / CoastalMaritime / Coastal at Okuru River
Map Location: -43.908028 168.871375
Comments:

CasualtiesA fisherman man was lost at sea after his boat flipped in heavy seas on the Okuru River bar just before 7:30am on the 12th. His body was found on the beach at Waita.

Canterbury

Multi HazardMulti Hazard at Canterbury
Comments:

CommentBanks Peninsula, the Kaikoura Coast and other parts of Canterbury felt the effects of the severe southerly storm on the 12th. Wind and rain lashed the region. The storm eased on the morning of the 13th.

Physical CharacteristicThe Plains and the coast had heavy rain and wind generally blustering to about 60 km/hr.

Affected LifelineDamage was done to roads and bridges. Many highways in North Canterbury were hit by high winds, flooding and fallen trees. The weather made driving conditions difficult throughout the province.

ImpactOne truck was blown over.

CommentIt was the worst storm in the Canterbury region for several years.

ImpactThe storm forced nearly 20 Canterbury people to flee their homes.

Insurance PaymentInsurance Industry Payouts for the Canterbury Storms totalled $9,400,000 ($11,600,000 2008 dollars).

FloodingFlooding
Comments:

Affected LifelineHeavy rain caused widespread surface flooding.

High Wind GustsHigh Wind / Gust
Comments:

DamageThe wind brought down trees in parts of the region.

Affected LifelineFalling trees and branches dragged down overhead powerlines across the city and into mid-Canterbury on the 12th. Power was cut to 9000 homes in the Canterbury region, from Banks Peninsula through Chirstchurch and North Canterbury to Kaikoura. Overhead powerlines were still being brought down overnight on the 12th/13th. The power cuts lasted until the 14th in some places.

Physical CharacteristicSome experts claimed gusts of 170-180 km/hr screamed across the region.

Maritime / CoastalMaritime / Coastal
Comments:

CommentWinds created big seas off the coast.

LandslideLandslide
Comments:

DamageA house was threatened by a slip.

Maritime / CoastalMaritime / Coastal at Akaroa
Map Location: -43.806637 172.973757
Comments:

DamageA yacht was driven ashore at Akaroa.

FloodingFlooding at Banks Peninsula
Map Location: -43.73644 173.024672
Comments:

EvacueesHomes on Bank Peninsula were evacuated.

High Wind GustsHigh Wind / Gust
Comments:

Physical CharacteristicBanks Peninsula had wind gusts of up to about 100 km/hr on the 11th.

Snow / IceSnow / Ice
Comments:

CommentSnow flurries swept Banks Peninsula on the 11th.

Heavy RainHeavy Rain at Christchurch
Map Location: -43.53112 172.636147
Comments:

Physical CharacteristicChristchurch city recorded 70 mm (7.0 cm) of rain in 48 hours.

FloodingFlooding
Comments:

CommentThe Avon and Heathcote Rivers flooded.

Affected LifelineWaist-deep flood waters closed Christchurch roads.

ImpactFloodwaters inundated the Redcliffs-Sumner area, and threatened homes.

EvacueesPolice and the Army helped evacuate about 30 people living near the Heathcote River in the Bexley area as high tide approached in late afternoon on the 12th.

Property DamageThere were reports of water damage in central city commercial buildings.

Affected LifelineThe Heathcote River breached its banks near Colombo Street, and flooded the road.

ImpactThe flood waters were up to letterbox height on many properties.

High Wind GustsHigh Wind / Gust
Comments:

DamageThe wind brought down trees throughout the city and on the Port Hills. Hundreds of trees were felled. One car was destroyed.

Affected Lifeline6000 homes in pockets around the city and on Banks Peninsula were affected by power cuts on the 12th, including Lyttelton, Governors Bay, Cashmere, Sumner, Marshland and Spencerville. Some homes were still without power and water on the morning of the 13th.

Physical CharacteristicSumner recorded wind gusts of 120 km/hr.

Physical CharacteristicChristchurch Airport recorded gusts of over 90 km/hr.

Property DamageBuildings around the city suffered, with roofs being lifted and walls and fences being stove in.

ImpactChristchurch Botanic Gardens was closed for safety reasons.

Multi HazardMulti Hazard
Comments:

ImpactThe weather closed Linwood High School.

ImpactThe Fire Service had received over 120 calls from 8am on the 12th.

CommentOfficials described the storm as a one-in 40-year event.

Multi HazardMulti Hazard at Diamond Harbour
Map Location: -43.626777 172.727265
Comments:

ImpactThe weather closed Diamond Harbour School.

High Wind GustsHigh Wind / Gust at Kaikoura
Map Location: -42.402255 173.685685
Comments:

Affected LifelinePower cuts occurred at Kaikoura.

High Wind GustsHigh Wind / Gust at Le Bons Bay
Map Location: -43.760725 173.058209
Comments:

Physical CharacteristicLe Bons Bay had a mean wind speed of 120 km/hr on the morning of the 12th.

Physical CharacteristicLe Bons Bay recorded winds of 111 km/hr.

High Wind GustsHigh Wind / Gust at Lyttelton
Map Location: -43.601111 172.721186
Comments:

Affected LifelineWesterly winds closed Lyttelton port at 5:30am on the 12th. A cruise ship was ordered to bypass the port.

DamageThe unfinished marina was devastated, and virtually all gone.

DamageThe winds tossed moored boats about and ripped some from their marina moorings. About 30 boats sank around Lyttelton and many more were damaged. The majority of Canterbury's keeler racing fleet was destroyed.

Peak Wind SpeedLyttleton recorded a peak wind gust of 93 km/hr.

CommentThe Lyttelton Harboumaster said the storm was exceptional, and had not seen such severe conditions in 30 years of ship handling.

Multi HazardMulti Hazard
Comments:

Affected LifelineLyttelton and its port were isolated on the 12th, with all access roads closed. Roads between Christchurch and the port were cut by felled trees and overhead lines and slips. The main over hill road links to Lyttelton were still cut on the morning of the 13th, with the only direct route through the tunnel.

DamageThe overall damage was expected to run into millions of dollars.

Maritime / CoastalMaritime / Coastal
Comments:

Physical CharacteristicWave were up to 6 m high.

Snow / IceSnow / Ice at Mount Hutt Skifield
Map Location: -43.495213 171.524135
Comments:

Physical CharacteristicMt Hutt skifield received 20 cm of snow overnight on the 11th/12th.

High Wind GustsHigh Wind / Gust at Rakaia Huts
Map Location: -43.885159 172.237695
Comments:

Affected LifelinePower cuts occurred in Rakaia Huts.

Southland

Multi HazardMulti Hazard at Southland
Comments:

Affected LifelineThe Te Anau-Milford Road was closed on the 12th.

References

Insurance Councils. The Cost of Weather Loses, Claims History (Updated 2004).
Major weather events in New Zealand, Floods and High Rainfall, Floods to 31st July 2006.
www.metservice, notable weather events.govt.nz.
Meteorological Society of New Zealand (Inc.) Newsletter 83, December 2000.
Headline: Evacuations in Christchurch as storm rages.
www.nzherald.co.nz, Source: IRN, 12 October 2000.
Headline: Storm closes Lyttelton port.
www.nzherald.co.nz, Source: IRN and Christchurch Star, 12 October 2000.
Headline: Big clean up after 'half-century' storm batters Christchurch.
www.nzherald.co.nz, Source: Christchurch Star and IRN, 13 October 2000.
Headline: South licking wounds after brutal storm.
www.nzherald.co.nz, Source: NZ Herald and NZPA, 13 October 2000.
Headline: Storm keeps ferries in port.
www.nzherald.co.nz, 13 October 2000, 10:20am.
Headline: Calls for inquiry after marina disaster.
www.nzherald.co.nz, 16 October 2000.