NZ Historic Weather Events Catalogue

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ModerateNovember 2001 North Island Heavy Rain ( 2001-11-22 )

Heavy rain fell over much of the North Island, resulting in minor flooding in Wellington.

North Island

Multi HazardMulti Hazard at North Island
Duration:   1  day -
Comments:

CauseA slow-moving low pressure system moved south-east over the country from the Tasman Sea, bringing a frontal band of moist air from the tropics.

Heavy RainHeavy Rain
Comments:

CommentMuch of the North Island was hammered by heavy rain on the 22nd.

Auckland

Heavy RainHeavy Rain at Auckland
Comments:

Physical CharacteristicAuckland recorded 43 mm (4.3 cm) of rain in a few hours on the 22nd.

CommentHalf Auckland's rainfall fell between 2pm and 3pm.

ImpactThe heavy rain caused traffic chaos in Auckland. State Highway 1 became a long multi-lane carpark after five accidents occurred in swift succession around 2pm. No serious injuries were reported.

Waikato

Heavy RainHeavy Rain at Hamilton
Map Location: -37.780816 175.272836
Comments:

ImpactA car lost control coming off Fairfield Bridge and "aquaplaned" off the road, made slippery by heavy rain, on the 23rd. The car and driver plunged 10m into the Waikato River.

Heavy RainHeavy Rain at Taupo
Map Location: -38.69531 176.070758
Comments:

CommentTaupo had heavy rain on the 22nd.

Bay of Plenty

Heavy RainHeavy Rain at Bay of Plenty
Comments:

CommentHeavy rain fell in the Bay of Plenty on the 22nd.

Heavy RainHeavy Rain at Rotorua
Map Location: -38.140434 176.262282
Comments:

CommentRotorua had heavy rain on the 22nd.

Wellington

Heavy RainHeavy Rain at Wellington
Comments:

Physical CharacteristicThere were high rainfall totals from 50-100 mm (5.0-10.0 cm) throughout the Wellington-Hutt Valley region on the 22nd.

CommentMuch of Wellington's rainfall occurred in six hours.

Multi HazardMulti Hazard
Comments:

Affected LifelineA few slips and surface flooding resulted. There were some road closures and traffic delays.

FloodingFlooding
Comments:

ImpactSome properties were flooded and buildings closed.

High Wind GustsHigh Wind / Gust at Cook Strait
Map Location: -41.247772 174.473756
Comments:

Affected LifelineSoutherly gales in Cook Strait lead to the cancellation of Lynx fast ferry sailings.

Heavy RainHeavy Rain at Hutt River
Map Location: -41.162848 174.974804
Comments:

Physical CharacteristicHutt Valley recorded 90 mm (9.0 cm) of rain in 24 hours on the 22nd.

Multi HazardMulti Hazard
Comments:

Affected LifelineA fatal accident and a slip closed one lane on the Hutt Road.

Heavy RainHeavy Rain at Lower Hutt
Map Location: -41.216677 174.934068
Comments:

CommentLower Hutt's emergency management centre was partially activated after the city had a deluge overnight and again on the morning of the 22nd.

Physical CharacteristicLower Hutt recorded 104 mm (10.4 cm) of rain in five hours on the 22nd.

FloodingFlooding
Comments:

Affected LifelineThe downpours caused surface flooding and traffic problems in Lower Hutt.

FloodingFlooding at Newlands
Map Location: -41.226186 174.819822
Comments:

Physical CharacteristicWater was knee-high on Newlands Road.

Multi HazardMulti Hazard at Petone
Map Location: -41.23076 174.871845
Comments:

CasualtiesA person was killed when a car crashed on Western Hutt Road, State Highway 2, near the Horokiwi turnoff. The crash may have been weather-related.

References

Major weather events in New Zealand, Floods and High Rainfall to 31st May 2006.
Meteorological Society of New Zealand (Inc.) Newsletter 87, December 2001.
Headline: Wellington's heavy rain may have claimed a life.
www.nzherald.co.nz, Source: NZPA, 22 November 2001.
Headline: Misery as rain keeps coming.
www.nzherald.co.nz, 23 November 2001.
Headline: Driver's river plunge startles onlookers.
www.nzherald.co.nz, 24 November 2001.

ModerateNovember 2001 North Island Heavy Rain ( 2001-11-22 )

Heavy rain fell over much of the North Island, resulting in minor flooding in Wellington.

North Island

Multi HazardMulti Hazard at North Island
Duration:   1  day -
Comments:

CauseA slow-moving low pressure system moved south-east over the country from the Tasman Sea, bringing a frontal band of moist air from the tropics.

Heavy RainHeavy Rain
Comments:

CommentMuch of the North Island was hammered by heavy rain on the 22nd.

Auckland

Heavy RainHeavy Rain at Auckland
Comments:

Physical CharacteristicAuckland recorded 43 mm (4.3 cm) of rain in a few hours on the 22nd.

CommentHalf Auckland's rainfall fell between 2pm and 3pm.

ImpactThe heavy rain caused traffic chaos in Auckland. State Highway 1 became a long multi-lane carpark after five accidents occurred in swift succession around 2pm. No serious injuries were reported.

Waikato

Heavy RainHeavy Rain at Hamilton
Map Location: -37.780816 175.272836
Comments:

ImpactA car lost control coming off Fairfield Bridge and "aquaplaned" off the road, made slippery by heavy rain, on the 23rd. The car and driver plunged 10m into the Waikato River.

Heavy RainHeavy Rain at Taupo
Map Location: -38.69531 176.070758
Comments:

CommentTaupo had heavy rain on the 22nd.

Bay of Plenty

Heavy RainHeavy Rain at Bay of Plenty
Comments:

CommentHeavy rain fell in the Bay of Plenty on the 22nd.

Heavy RainHeavy Rain at Rotorua
Map Location: -38.140434 176.262282
Comments:

CommentRotorua had heavy rain on the 22nd.

Wellington

Heavy RainHeavy Rain at Wellington
Comments:

Physical CharacteristicThere were high rainfall totals from 50-100 mm (5.0-10.0 cm) throughout the Wellington-Hutt Valley region on the 22nd.

CommentMuch of Wellington's rainfall occurred in six hours.

Multi HazardMulti Hazard
Comments:

Affected LifelineA few slips and surface flooding resulted. There were some road closures and traffic delays.

FloodingFlooding
Comments:

ImpactSome properties were flooded and buildings closed.

High Wind GustsHigh Wind / Gust at Cook Strait
Map Location: -41.247772 174.473756
Comments:

Affected LifelineSoutherly gales in Cook Strait lead to the cancellation of Lynx fast ferry sailings.

Heavy RainHeavy Rain at Hutt River
Map Location: -41.162848 174.974804
Comments:

Physical CharacteristicHutt Valley recorded 90 mm (9.0 cm) of rain in 24 hours on the 22nd.

Multi HazardMulti Hazard
Comments:

Affected LifelineA fatal accident and a slip closed one lane on the Hutt Road.

Heavy RainHeavy Rain at Lower Hutt
Map Location: -41.216677 174.934068
Comments:

CommentLower Hutt's emergency management centre was partially activated after the city had a deluge overnight and again on the morning of the 22nd.

Physical CharacteristicLower Hutt recorded 104 mm (10.4 cm) of rain in five hours on the 22nd.

FloodingFlooding
Comments:

Affected LifelineThe downpours caused surface flooding and traffic problems in Lower Hutt.

FloodingFlooding at Newlands
Map Location: -41.226186 174.819822
Comments:

Physical CharacteristicWater was knee-high on Newlands Road.

Multi HazardMulti Hazard at Petone
Map Location: -41.23076 174.871845
Comments:

CasualtiesA person was killed when a car crashed on Western Hutt Road, State Highway 2, near the Horokiwi turnoff. The crash may have been weather-related.

References

Major weather events in New Zealand, Floods and High Rainfall to 31st May 2006.
Meteorological Society of New Zealand (Inc.) Newsletter 87, December 2001.
Headline: Wellington's heavy rain may have claimed a life.
www.nzherald.co.nz, Source: NZPA, 22 November 2001.
Headline: Misery as rain keeps coming.
www.nzherald.co.nz, 23 November 2001.
Headline: Driver's river plunge startles onlookers.
www.nzherald.co.nz, 24 November 2001.