NZ Historic Weather Events Catalogue

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ModerateNovember 1999 North Island Flooding ( 1999-11-27 )

There were road closures in the southern North Island due to floods and slips and the weather lead to a number of fatal road accidents.

New Zealand

Multi HazardMulti Hazard at New Zealand
Duration:   4  days - From the 27th to the 30th of November.
Comments:

CauseA cold front was moving northeast over the South Island followed by a strong southerly flow and complex low development in the west of the North Island.

Hawke's Bay

Multi HazardMulti Hazard at Hawke's Bay
Comments:

Affected LifelineThere were road closures in the southern North Island due to floods and slips.

DamageTrees were downed.

FloodingFlooding
Comments:

Affected LifelineState Highway 50 and the Napier-Taupo road was closed.

ImpactProperties were flooded.

Multi HazardMulti Hazard at Napier
Map Location: -39.502426 176.892804
Comments:

Affected LifelineThere were power cuts in Napier.

Taranaki

Heavy RainHeavy Rain at Taranaki
Comments:

Physical CharacteristicThere was 75-100 mm (7.5-10.0 cm) of rain in many areas.

Multi HazardMulti Hazard
Comments:

ImpactHigh rainfall and high tidal conditions resulted surface flooding from south Taranaki to Manawatu.

Heavy RainHeavy Rain at Normanby
Map Location: -39.535522 174.275897
Comments:

Physical CharacteristicNormanby recorded over 150 mm (15.0 cm) of rain.

Multi HazardMulti Hazard at Stratford
Map Location: -39.343721 174.267614
Comments:

CasualtiesThere was a three vehicle pile-up near Stratford at 11:10pm on the 27th resulting in the death of a 19 year old male. The weather at the time was atrocious.

Manawatu-Wanganui

Heavy RainHeavy Rain at Manawatu-Wanganui
Comments:

Physical CharacteristicThere was 75-100 mm (7.5-10.0 cm) of rain in many areas.

Physical CharacteristicClose to 200 mm (20.0 cm) of rain fell in the catchment ranges of several Manawatu rivers.

Multi HazardMulti Hazard
Comments:

ImpactHigh rainfall and high tidal conditions resulted surface flooding from south Taranaki to Manawatu.

FloodingFlooding
Comments:

ImpactTrees were downed and properties were flooded in the Manawatu.

CommentHeavy rain eased on the 30th and floodwaters began to recede. All river levels were dropping on the 30th, though there was still some flooding where Oroua River breached its banks at Kopane.

FloodingFlooding at Kopane
Map Location: -40.312504 175.48412
Comments:

ImpactKopane area was worst affected by the flooding.

FloodingFlooding at Marton
Map Location: -40.075433 175.360474
Comments:

Affected LifelineState Highway 1 and 3 were closed for a time by floods near Marton on the 29th.

FloodingFlooding at Oroua River
Map Location: -40.316054 175.486605
Comments:

CommentOroua River broke its banks.

FloodingFlooding at Taonui
Map Location: -40.256048 175.592591
Comments:

AreaAt the peak of the flood 1500ha of prime dairy and cropping land in Taonui Basin was under water.

EvacueesA number of families who had left their homes returned on the 30th and there were no reports of flooded dwellings.

ImpactThe high level of Manawatu River had prevented effective draining of the flooded basin.

Heavy RainHeavy Rain at Wanganui
Map Location: -39.932232 175.028352
Comments:

CommentHeavy rain further west also caused some problems in Wanganui area.

FloodingFlooding
Comments:

CommentThe suburb of Aramoho bore the brunt of the downpours in Wanganui.

ImpactFloodwaters rose above floor levels in four houses and flowed under the floorboards in 16 others.

ImpactAs water receded on the 30th, 7 cm of silt lay on a number of properties.

DamageWanganui Civil Defence reported damage to farmland east of the city.

EvacueesHomes in Aramoho were evacuated.

LandslideLandslide
Comments:

Property DamageOne house was severely damaged by a slip.

Affected LifelineOne city street remained closed to through traffic while engineers assessed slip damage.

Affected LifelineThere were slips on rural roads.

Affected LifelineA slip damaged the main water pipe from Fordell reservoir.

FloodingFlooding at Whanganui River
Map Location: -39.845139 175.319738
Comments:

CommentWhanganui River rose to flood levels.

Wellington

Maritime / CoastalMaritime / Coastal at Wellington
Comments:

Affected LifelineCook Strait ferries were cancelled on the 28th and 29th due to heavy swell.

High Wind GustsHigh Wind / Gust
Comments:

CommentSoutherly gales developed in the Cook Strait.

Property DamageAlong Wellington's South Coast wind lifted roofs and blew in windows.

Multi HazardMulti Hazard
Comments:

ImpactHeavy rain brought down slips and trees.

Affected LifelineA number of roads closed.

FloodingFlooding at Rimutaka Forest Park
Map Location: -41.351557 175.001221
Comments:

Evacuees52 people (mainly children) had to be rescued from Rimutaka Forest Park huts after being trapped by the swollen Orongorongo River on the 29th.

Marlborough

Heavy RainHeavy Rain at Renwick
Map Location: -41.510409 173.826128
Comments:

ImpactA car and a bus collided on State Highway 6 near Renwick, 13 km west of Blenheim, at 9:45pm on the 27th. Heavy rain was falling at the time.

CasualtiesThere were two casualties: the 23 year old female car driver and the 26 year old male passenger.

References

Major weather events in New Zealand, FLOODS AND HIGH RAINFALL, FLOODS to 30 Sep 2005
Meteorological Society of New Zealand (Inc.) Newsletter 79, December 1999.
www.metservice, notable weather events.govt.nz
Headline: Weather pushes weekend toll to 8.
www.nzherald.co.nz, Source: NZPA, 29 November 1999.
Headline: Town and around rise above floods.
www.nzherlad.co.nz, Source: NZPA, 1 December 1999, 12:00am.

ModerateNovember 1999 North Island Flooding ( 1999-11-27 )

There were road closures in the southern North Island due to floods and slips and the weather lead to a number of fatal road accidents.

New Zealand

Multi HazardMulti Hazard at New Zealand
Duration:   4  days - From the 27th to the 30th of November.
Comments:

CauseA cold front was moving northeast over the South Island followed by a strong southerly flow and complex low development in the west of the North Island.

Hawke's Bay

Multi HazardMulti Hazard at Hawke's Bay
Comments:

Affected LifelineThere were road closures in the southern North Island due to floods and slips.

DamageTrees were downed.

FloodingFlooding
Comments:

Affected LifelineState Highway 50 and the Napier-Taupo road was closed.

ImpactProperties were flooded.

Multi HazardMulti Hazard at Napier
Map Location: -39.502426 176.892804
Comments:

Affected LifelineThere were power cuts in Napier.

Taranaki

Heavy RainHeavy Rain at Taranaki
Comments:

Physical CharacteristicThere was 75-100 mm (7.5-10.0 cm) of rain in many areas.

Multi HazardMulti Hazard
Comments:

ImpactHigh rainfall and high tidal conditions resulted surface flooding from south Taranaki to Manawatu.

Heavy RainHeavy Rain at Normanby
Map Location: -39.535522 174.275897
Comments:

Physical CharacteristicNormanby recorded over 150 mm (15.0 cm) of rain.

Multi HazardMulti Hazard at Stratford
Map Location: -39.343721 174.267614
Comments:

CasualtiesThere was a three vehicle pile-up near Stratford at 11:10pm on the 27th resulting in the death of a 19 year old male. The weather at the time was atrocious.

Manawatu-Wanganui

Heavy RainHeavy Rain at Manawatu-Wanganui
Comments:

Physical CharacteristicThere was 75-100 mm (7.5-10.0 cm) of rain in many areas.

Physical CharacteristicClose to 200 mm (20.0 cm) of rain fell in the catchment ranges of several Manawatu rivers.

Multi HazardMulti Hazard
Comments:

ImpactHigh rainfall and high tidal conditions resulted surface flooding from south Taranaki to Manawatu.

FloodingFlooding
Comments:

ImpactTrees were downed and properties were flooded in the Manawatu.

CommentHeavy rain eased on the 30th and floodwaters began to recede. All river levels were dropping on the 30th, though there was still some flooding where Oroua River breached its banks at Kopane.

FloodingFlooding at Kopane
Map Location: -40.312504 175.48412
Comments:

ImpactKopane area was worst affected by the flooding.

FloodingFlooding at Marton
Map Location: -40.075433 175.360474
Comments:

Affected LifelineState Highway 1 and 3 were closed for a time by floods near Marton on the 29th.

FloodingFlooding at Oroua River
Map Location: -40.316054 175.486605
Comments:

CommentOroua River broke its banks.

FloodingFlooding at Taonui
Map Location: -40.256048 175.592591
Comments:

AreaAt the peak of the flood 1500ha of prime dairy and cropping land in Taonui Basin was under water.

EvacueesA number of families who had left their homes returned on the 30th and there were no reports of flooded dwellings.

ImpactThe high level of Manawatu River had prevented effective draining of the flooded basin.

Heavy RainHeavy Rain at Wanganui
Map Location: -39.932232 175.028352
Comments:

CommentHeavy rain further west also caused some problems in Wanganui area.

FloodingFlooding
Comments:

CommentThe suburb of Aramoho bore the brunt of the downpours in Wanganui.

ImpactFloodwaters rose above floor levels in four houses and flowed under the floorboards in 16 others.

ImpactAs water receded on the 30th, 7 cm of silt lay on a number of properties.

DamageWanganui Civil Defence reported damage to farmland east of the city.

EvacueesHomes in Aramoho were evacuated.

LandslideLandslide
Comments:

Property DamageOne house was severely damaged by a slip.

Affected LifelineOne city street remained closed to through traffic while engineers assessed slip damage.

Affected LifelineThere were slips on rural roads.

Affected LifelineA slip damaged the main water pipe from Fordell reservoir.

FloodingFlooding at Whanganui River
Map Location: -39.845139 175.319738
Comments:

CommentWhanganui River rose to flood levels.

Wellington

Maritime / CoastalMaritime / Coastal at Wellington
Comments:

Affected LifelineCook Strait ferries were cancelled on the 28th and 29th due to heavy swell.

High Wind GustsHigh Wind / Gust
Comments:

CommentSoutherly gales developed in the Cook Strait.

Property DamageAlong Wellington's South Coast wind lifted roofs and blew in windows.

Multi HazardMulti Hazard
Comments:

ImpactHeavy rain brought down slips and trees.

Affected LifelineA number of roads closed.

FloodingFlooding at Rimutaka Forest Park
Map Location: -41.351557 175.001221
Comments:

Evacuees52 people (mainly children) had to be rescued from Rimutaka Forest Park huts after being trapped by the swollen Orongorongo River on the 29th.

Marlborough

Heavy RainHeavy Rain at Renwick
Map Location: -41.510409 173.826128
Comments:

ImpactA car and a bus collided on State Highway 6 near Renwick, 13 km west of Blenheim, at 9:45pm on the 27th. Heavy rain was falling at the time.

CasualtiesThere were two casualties: the 23 year old female car driver and the 26 year old male passenger.

References

Major weather events in New Zealand, FLOODS AND HIGH RAINFALL, FLOODS to 30 Sep 2005
Meteorological Society of New Zealand (Inc.) Newsletter 79, December 1999.
www.metservice, notable weather events.govt.nz
Headline: Weather pushes weekend toll to 8.
www.nzherald.co.nz, Source: NZPA, 29 November 1999.
Headline: Town and around rise above floods.
www.nzherlad.co.nz, Source: NZPA, 1 December 1999, 12:00am.