NZ Historic Weather Events Catalogue

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July 1988 Manawatu-Wanganui Flooding ( 1988-07-23 )

A Civil Defence Emergency was declared in New Plymouth after heavy rain caused a backup of water in the Mangaone and Kawau Streams.

New Zealand

Multi HazardMulti Hazard at New Zealand
Duration:   2  days - From the 23rd to the 24th of July.
Comments:

Affected LifelinePoor weather and heavy holiday bookings caused severe disruption of air travel over the 23rd and 24th. More than a thousdand passengers to all destinations were affected. Airports at Invercargill, Timaru and Wellington were closed on the 23rd and airports at Invercargill, Christchurch and Dunedin were closed on the 24th.

Manawatu-Wanganui

FloodingFlooding at Manawatu-Wanganui
Comments:

CommentThere was flooding on the 27th of July in the Manawatu.

Insurance PaymentInsurance industry payouts totalled $2,500,000 ($4,258,000 2009 dollars).

Damage CostFlooding throughout the Manawatu region caused $848,000 ($1,445,000 2009 dollars).

Affected LifelineState Highway 3 was flooded in parts.

Heavy RainHeavy Rain
Comments:

Physical CharacteristicThe Wairarapa Catchment Board measured a record 320 mm (32.0 cm) of rain in 36 hours until the night of the 23rd.

CauseThe record rainfall was caused by two depressions.

FloodingFlooding at Bulls
Map Location: -40.174758 175.372166
Comments:

Affected LifelineRoads were hardest hit. State Highway 1 between Bulls and Sanson and State Highway 3, just north of bulls, was flooded.

Affected LifelineTutaenui Street about two kilometres north of bulls had minor flooding.

LandslideLandslide at Makuri Gorge
Map Location: -40.55225 175.90533
Comments:

Affected LifelineMakuri Gorge between Pahiatua and Pongaroa was closed due to slips.

FloodingFlooding at Manawatu River
Map Location: -40.31344 175.74075
Comments:

Physical CharacteristicManawatu River had risen to 4.7 m by 11:30am on the 24th.

LandslideLandslide at Okehu Valley
Map Location: -39.83246 174.88812
Comments:

ImpactThere were slips in the Okehu Valley.

Heavy RainHeavy Rain at Palmerston North
Map Location: -40.355525 175.616438
Comments:

Physical CharacteristicRain was falling at 100 mm (10.0 cm) per hour.

FloodingFlooding
Comments:

CauseThere was a backup of water in the Mangaone and Kawau Streams. The heavy rain caused the streams and stormwater drains to back up and flood the city.

Declared EmergencyA Civil Defence Emergency was declared at 10:12pm on the 24th to 9:00am on the 27th. The declaration was for the city area.

EvacueesAbout 1000 people were evacuated from Palmerston North. 980 people were expected to spend a second night in emergency accomodation. 200 homes were evacuated and Civil Defence were preparing to evacuate another 300 homes.

ImpactOver 40 houses were flooded in Amberley Avenue, at the end of Chadwick Place. Pencarrow Street and Cedar Grove were flooded.

ImpactBetween 50 to 60 houses in total were flooded.

Affected Lifeline110 houses were without power.

ImpactWater was reported to be thigh deep in some areas.

ImpactThere was a burglary of two evacuated homes during the evacuation and the evacuated area was put on curfew.

Affected LifelineState Highway 57 was blocked by fallen trees.

Physical CharacteristicStorm water rose to a depth of one metre between the flooded Mangaone and Kawau Streams.

Affected LifelineAreas lost power and telephones.

Damage CostThe flood caused several millions of dollars damage to property in Palmerston North.

Insurance ClaimIt was estimated that there were 200 to 250 claims from through out Palmerston North with 30 already having been lodged on the 27th from property owners in Amberley Avenue area.

LandslideLandslide at Ratana
Map Location: -40.040289 175.178715
Comments:

ImpactThere were slips on Ratana Hill.

Heavy RainHeavy Rain at Ruamahanga River
Map Location: -41.102055 175.509442
Comments:

Physical CharacteristicThe Ruamahanga River was four metres above its normal level at 11pm on the 23rd.

FloodingFlooding at Tinui
Map Location: -40.877878 176.065376
Comments:

ImpactFarmland 16 kilometres northeast of Tinui was covered in silt and debris more than a metre deep in places.

Stock DamageStock losses were caused after animals bacame trapped in mud and water.

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

Physical CharacteristicWanganui recorded 96.4 mm (9.64 cm) of rain in 24 hours from midnight on the 23rd to midnight on the 24th.

FloodingFlooding
Comments:

ImpactPersistant rain caused surface flooding.

Affected LifelineThe straight stretch of road at Marybank, south of Wanganui, was flooded.

Wellington

FloodingFlooding at Makara
Map Location: -41.26989 174.70617
Comments:

Affected LifelineA stretch of the Makara road was flooded.

References

Civil Defence Declarations Since 1 January 1963, Declared Civil Defence Emergencies, 31 December 1999
Insurance Councils, The Cost of Weather Loses, Claims history (Updated 2004)
Meteorological Society of New Zealand (Inc.) Newsletter 34,September 1988
Headline: Biggest flood recedes from Wairarapa.
The Press, Source: PA, 26 July 1988.
Headline: Curfew in flooded city.
The Press, Source: PA, 26 July 1988.
Headline: Govt to consider flood aid.
The Press, Source: PA, 27 July 1988.
Headline: Flood grant sought.
The Press, Source: PA, 28 July 1988.
Headline: Flooding problems in district.
The Wanganui Chronicle, 25 July 1988.
Headline: Houses in Palmerston North evacuated.
The Wanganui Chronicle, 25 July 1988.
Headline: Victims of flood kept from houses.
The Wanganui Chronicle, 26 July 1988.

July 1988 Manawatu-Wanganui Flooding ( 1988-07-23 )

A Civil Defence Emergency was declared in New Plymouth after heavy rain caused a backup of water in the Mangaone and Kawau Streams.

New Zealand

Multi HazardMulti Hazard at New Zealand
Duration:   2  days - From the 23rd to the 24th of July.
Comments:

Affected LifelinePoor weather and heavy holiday bookings caused severe disruption of air travel over the 23rd and 24th. More than a thousdand passengers to all destinations were affected. Airports at Invercargill, Timaru and Wellington were closed on the 23rd and airports at Invercargill, Christchurch and Dunedin were closed on the 24th.

Manawatu-Wanganui

FloodingFlooding at Manawatu-Wanganui
Comments:

CommentThere was flooding on the 27th of July in the Manawatu.

Insurance PaymentInsurance industry payouts totalled $2,500,000 ($4,258,000 2009 dollars).

Damage CostFlooding throughout the Manawatu region caused $848,000 ($1,445,000 2009 dollars).

Affected LifelineState Highway 3 was flooded in parts.

Heavy RainHeavy Rain
Comments:

Physical CharacteristicThe Wairarapa Catchment Board measured a record 320 mm (32.0 cm) of rain in 36 hours until the night of the 23rd.

CauseThe record rainfall was caused by two depressions.

FloodingFlooding at Bulls
Map Location: -40.174758 175.372166
Comments:

Affected LifelineRoads were hardest hit. State Highway 1 between Bulls and Sanson and State Highway 3, just north of bulls, was flooded.

Affected LifelineTutaenui Street about two kilometres north of bulls had minor flooding.

LandslideLandslide at Makuri Gorge
Map Location: -40.55225 175.90533
Comments:

Affected LifelineMakuri Gorge between Pahiatua and Pongaroa was closed due to slips.

FloodingFlooding at Manawatu River
Map Location: -40.31344 175.74075
Comments:

Physical CharacteristicManawatu River had risen to 4.7 m by 11:30am on the 24th.

LandslideLandslide at Okehu Valley
Map Location: -39.83246 174.88812
Comments:

ImpactThere were slips in the Okehu Valley.

Heavy RainHeavy Rain at Palmerston North
Map Location: -40.355525 175.616438
Comments:

Physical CharacteristicRain was falling at 100 mm (10.0 cm) per hour.

FloodingFlooding
Comments:

CauseThere was a backup of water in the Mangaone and Kawau Streams. The heavy rain caused the streams and stormwater drains to back up and flood the city.

Declared EmergencyA Civil Defence Emergency was declared at 10:12pm on the 24th to 9:00am on the 27th. The declaration was for the city area.

EvacueesAbout 1000 people were evacuated from Palmerston North. 980 people were expected to spend a second night in emergency accomodation. 200 homes were evacuated and Civil Defence were preparing to evacuate another 300 homes.

ImpactOver 40 houses were flooded in Amberley Avenue, at the end of Chadwick Place. Pencarrow Street and Cedar Grove were flooded.

ImpactBetween 50 to 60 houses in total were flooded.

Affected Lifeline110 houses were without power.

ImpactWater was reported to be thigh deep in some areas.

ImpactThere was a burglary of two evacuated homes during the evacuation and the evacuated area was put on curfew.

Affected LifelineState Highway 57 was blocked by fallen trees.

Physical CharacteristicStorm water rose to a depth of one metre between the flooded Mangaone and Kawau Streams.

Affected LifelineAreas lost power and telephones.

Damage CostThe flood caused several millions of dollars damage to property in Palmerston North.

Insurance ClaimIt was estimated that there were 200 to 250 claims from through out Palmerston North with 30 already having been lodged on the 27th from property owners in Amberley Avenue area.

LandslideLandslide at Ratana
Map Location: -40.040289 175.178715
Comments:

ImpactThere were slips on Ratana Hill.

Heavy RainHeavy Rain at Ruamahanga River
Map Location: -41.102055 175.509442
Comments:

Physical CharacteristicThe Ruamahanga River was four metres above its normal level at 11pm on the 23rd.

FloodingFlooding at Tinui
Map Location: -40.877878 176.065376
Comments:

ImpactFarmland 16 kilometres northeast of Tinui was covered in silt and debris more than a metre deep in places.

Stock DamageStock losses were caused after animals bacame trapped in mud and water.

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

Physical CharacteristicWanganui recorded 96.4 mm (9.64 cm) of rain in 24 hours from midnight on the 23rd to midnight on the 24th.

FloodingFlooding
Comments:

ImpactPersistant rain caused surface flooding.

Affected LifelineThe straight stretch of road at Marybank, south of Wanganui, was flooded.

Wellington

FloodingFlooding at Makara
Map Location: -41.26989 174.70617
Comments:

Affected LifelineA stretch of the Makara road was flooded.

References

Civil Defence Declarations Since 1 January 1963, Declared Civil Defence Emergencies, 31 December 1999
Insurance Councils, The Cost of Weather Loses, Claims history (Updated 2004)
Meteorological Society of New Zealand (Inc.) Newsletter 34,September 1988
Headline: Biggest flood recedes from Wairarapa.
The Press, Source: PA, 26 July 1988.
Headline: Curfew in flooded city.
The Press, Source: PA, 26 July 1988.
Headline: Govt to consider flood aid.
The Press, Source: PA, 27 July 1988.
Headline: Flood grant sought.
The Press, Source: PA, 28 July 1988.
Headline: Flooding problems in district.
The Wanganui Chronicle, 25 July 1988.
Headline: Houses in Palmerston North evacuated.
The Wanganui Chronicle, 25 July 1988.
Headline: Victims of flood kept from houses.
The Wanganui Chronicle, 26 July 1988.