NZ Historic Weather Events Catalogue

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July 1961 New Zealand Flooding ( 1961-07-16 )

Heavy rain caused flooding in Waikato, Taranaki, Canterbury and Otago. Canterbury was hit the hardest resulting in high damage costs. There was one casualty in the Waikato.

Waikato

FloodingFlooding at Waipa River
Map Location: -38.251404 175.335123
Comments:

CasualtiesA man went missing and was thought drowned when attempting to cross the raging floodwaters of the Waipa River in a dinghy on the 18th.

FloodingFlooding at Huntly
Map Location: -37.559936 175.162622
Comments:

ImpactAcres of farmland was underwater.

ImpactThere was sandbagging along the Waikato River northwest of Huntly due to the flooding.

Affected LifelineWater covered the main highway between Hamilton and Auckland in two places.

FloodingFlooding at Piako River
Map Location: -37.281776 175.512524
Comments:

Peak DischargeOn the 18th, Piako River at Whakahoro Road had a discharge of 10,500 cusecs (297 cumecs)with a catchment area of 204 sq miles (528 km^2) and a gauge height of 20.55 ft (6.87m).

FloodingFlooding at Waitoa River
Map Location: -37.499054 175.568786
Comments:

Peak DischargeOn the 19th, Waitoa River at Whakahoro Road had a discharge of 3500 cusecs (99 cumecs) with a catchment area of 167 sq miles (433 km^2) and a gauge height of 10.75 ft (3.28m).

Taranaki

Heavy RainHeavy Rain at New Plymouth
Map Location: -39.051214 174.06972
Comments:

Physical CharacteristicNew Plymouth Aerodrome recorded 9.0cm of rain in 24 hours.

Physical CharacteristicNew Plymouth recorded 11.5cm of rain in 24 hours.

ImpactHeavy rain caused severe flooding in New Plymouth on the 16th.

FloodingFlooding
Comments:

Physical CharacteristicMangaotuku Stream rose four metres.

Physical CharacteristicNew Plymouth central shopping area was flooded by 1.2m of water on the street.

ImpactMangaotuku Stream rose voer 3.6m at the breweries which were put out of action for a week.

DamageBusinesses on Egmont and Brougham Street were damaged.

EvacueesHouses were evacuated on Gaine, Aubrey and Weymouth Streets.

Damage CostTotal damage to New Plymouth was £100,000 ($3,919,000 2009 dollars).

Physical CharacteristicWaiwakaiho River rose 15.2m.

CommentWaitara River reached its highest level in three years.

Heavy RainHeavy Rain at Dawson Falls
Map Location: -39.321582 174.105391
Comments:

Physical CharacteristicDawson Falls recorded 16.8cm of rain in 24 hours.

Heavy RainHeavy Rain at Inglewood
Map Location: -39.163073 174.187246
Comments:

Physical CharacteristicInglewood recorded 7.4cm of rain in 24 hours.

Canterbury

Heavy RainHeavy Rain at South Canterbury
Duration:   4  days - There was several days of high intensity rain from the 17th to the 19th. Rivers were still in high flood on the 20th.
Comments:

Physical CharacteristicRain fell heavily with some areas in South Canterbury recording up to 13 in (33.02cm) of rain in 50 hours up to 8pm on the 19th.

FloodingFlooding
Comments:

CommentIt was the most extensive flood in South Canterbury history.

ImpactRivers, streams and creeks were swollen. Many had broken their banks in several places.

ImpactLow-lying areas were inundated.

Affected LifelineThree bridges were broken. These were Brassells on the Pareora River, McCulloughs on the Waihao River near Waimate and the Tengawai on the highway from Timaru to Fairlie.

Affected LifelineAll country roads in south Canterbury were underwater.

DamageConsiderable damage was done in the Opihi, Pareora and Waihao River catchments.

Heavy RainHeavy Rain at Mount Nimrod
Map Location: -44.43623 170.80178
Comments:

Physical CharacteristicMount Nimrod recorded 0.59 in (1.50cm) of rain in one hour from 9 to 10pm.

FloodingFlooding at Arowhenua
Map Location: -44.2674 171.26558
Comments:

Affected LifelineThe main trunk railway line was cut at Arowhenua.

FloodingFlooding at Eversley
Map Location: -44.08911 170.80887
Comments:

EvacueesFive families were evacuated from Eversley.

CommentWater broke through the flood banks and swept around houses.

FloodingFlooding at Fairlie
Map Location: -44.10605 170.814496
Comments:

Affected LifelineFairlie was surrounded and cut off.

FloodingFlooding at Morven
Map Location: -44.81896 171.10878
Comments:

EvacueesJet boats were used to evacuate a family when the floodwaters of the Waihao River reached the window sills.

FloodingFlooding at Pleasant Point
Map Location: -44.258492 171.146343
Comments:

CommentTengawai River broke through the flood banks four miles above the township of Pleasant Point.

Physical CharacteristicA stream 100 yards wide (91m) and 6 inches (15.2cm) deep was flowing down country.

FloodingFlooding at Timaru
Map Location: -44.398445 171.2552
Comments:

Affected LifelineTimaru was cut off from north as the main highway became impassable.

FloodingFlooding at Little River
Map Location: -43.769095 172.782518
Comments:

Physical CharacteristicFlooding was reported with water 18 in (45.7cm) deep over the road in the township.

Heavy RainHeavy Rain at Opihi River
Map Location: -44.262405 171.189002
Comments:

Physical CharacteristicThe Opihi catchment recorded falls of up to 13.5 in (34.3cm) from the 17th to the 19th.

FloodingFlooding
Comments:

CommentLong lengths of stopbanks on the main river were overtopped and four major breaches occurred.

CommentTributaries of the Opihi River, especially Tengawai River, were also in heavy flood and overflow occurred at many points.

Affected LifelineLow lying areas, including a number of houses and huts, were inundated and many settlers had access severed for some time.

DamageRoads, bridges, fences and pastures suffered heavy damage.

Stock DamageStock losses were severe.

Damage CostDamage to property and river works was estimated at £95,000 ($3,723,000 2009 dollars).

Heavy RainHeavy Rain at Pareora River
Map Location: -44.45133 171.12485
Comments:

Physical CharacteristicThe Pareora catchment recorded falls of up to 13.78 in (35.0cm) from the 17th to the 19th.

FloodingFlooding
Comments:

Physical CharacteristicThe maximum discharge from the whole of the 208 square mile (539 km^2) catchment is unknown. But the combined peak discharge of the main river at the gorge and the south branch at the golf links (total catchment area 143 square miles (370 km^2)) was 20,400 cusecs (578 cumecs). This value was 3,000 cusecs more than 17,400 cusecs for a 25-year design flood.

DamageThe new and unconsolidated stopbanks suffered extensive damage.

AreaOver one thousand acres (405ha) of farm land flooded and erosion was very pronounced.

Property DamageHut owners suffered property damaged and some huts were washed away.

DamageRoads, bridges, fences and pastures were badly affected.

Stock DamageSome sheep were drowned.

Damage CostDamage to property and river works was estimated at £30,000 ($1,176,000 2009 dollars).

Heavy RainHeavy Rain at Waihao River
Map Location: -44.787437 171.009356
Comments:

Physical CharacteristicThe Waihao catchment recorded falls of up to 10 in (25.4cm) from the 17th to the 19th.

FloodingFlooding
Comments:

AreaHeavy overflows inundated approximately two thousand acres (809ha) of farm land, including some houses and farm buildings.

DamageBridges, fences and crops were damaged and top soil was eroded.

Stock DamageA number of sheep drowned.

Damage CostDamage to property and river works was estimated at £9000 ($352,700 2009 dollars).

Otago

Heavy RainHeavy Rain at Otago
Duration:   2  days - Heavy rain over the 18th and the 19th along with the melting of snow lead to flooding and the rise of many rivers.
Comments:
FloodingFlooding
Comments:

Affected LifelineSeveral roads were flooded. The road from Outram to Middlemarch was closed at Sutton and the road from Mosgiel to Outram was impassable at the Outram bridge.

Affected LifelineThe Taieri airport was closed.

FloodingFlooding at Maniototo Plain
Map Location: -45.151841 170.039107
Comments:

CommentThe Kyeburn River and its tributaries were in high flood.

Damage CostThere was thousands of pounds of damage across the Maniototo Plain.

Affected LifelineThere were three bridges and approaches to eight others which were swept away.

Affected LifelineRoads were badly scoured and many culverts were damaged.

Affected LifelineSpec Gully bridge on Kyeburn Diggings road collapsed.

FloodingFlooding at Kokonga
Map Location: -45.210004 170.246345
Comments:

CommentNear Kokonga, the floodwaters was so deep that only the roof of an abandoned Landrover was visible above the surface of floodwaters.

ImpactFloodwaters invaded the local rabbit board's house.

Heavy RainHeavy Rain at Kakanui
Map Location: -45.179058 170.909659
Comments:

Physical CharacteristicKakanui recorded 2 in (5.08cm) of rain in six hours.

FloodingFlooding at Riverside
Map Location: -45.18452 170.22704
Comments:

DamageTaieri River ripped a 50 yard (45.7m) gap along the east bank.

AreaOver 4000 acres (over 1619ha) of land was inundated.

Physical CharacteristicRoads were blocked to depths of 5 ft (1.52m).

EvacueesOne farmer was forced to leave his property.

ImpactFive farms were completely isolated.

Physical CharacteristicThe level of the Taieri River was at 18 ft 2 in (5.54m).

CommentTaieri River overtopped a 70 yard (64m) stopbank at Riverside.

FloodingFlooding at Five Forks
Map Location: -45.04912 170.77354
Comments:

EvacueesOne family was evacuated as floodwaters surrounded their house and several settlers were cut off from their homes by the rising waters of the Kakanui River.

FloodingFlooding at Maheno
Map Location: -45.166605 170.842662
Comments:

ImpactThe township was practically under water and paddocks were inundated.

EvacueesA number of houses had to be evacuated.

ImpactApproximately 20 farmers were marooned near Maheno.

Physical CharacteristicThe Main North Road was awash with 2.5 ft (0.76m) of water.

CommentKauru River rose to its highest level in for four years.

Stock DamageSeveral farms had small stock losses.

FloodingFlooding at Willowbank
Map Location: -46.031954 169.021234
Comments:

ImpactKakanui River broke through at Willowbank and many farmers were isolated.

AreaWater covered an estimated 700 acres (283ha).

Heavy RainHeavy Rain at Shag River
Map Location: -45.04912 170.77354
Comments:

Physical CharacteristicShag River recorded 4 in (10.16cm) of rain in 24 hours.

FloodingFlooding at Tokarahi
Map Location: -44.96082 170.64918
Comments:

ImpactTokarahi school was closed due to severe flooding in the district.

FloodingFlooding at Pigroot Creek
Map Location: -45.20158 170.41917
Comments:

Affected LifelinePigroot Stream was impassable and the approaches to bridges were washed out.

References

Hydrology Annual, No.14 1966, Published by the Ministry of Works , The Soil Conservation and Rivers Control Council, Wellington, New Zealand, A.R. Shearer, 1969
Headline: Otago Rivers Swollen To Danger Point.
Otago Daily Times, 19 July 1961.
Headline: Floods Swamp Province, Hard Hit.
Otago Daily Times, 20 July 1961.
Headline: Patrol Watching Taieri River.
Otago Daily Times, 20 July 1961.
Headline: Worst Flooding Ever In South Canterbury.
Otago Daily Times, 20 July 1961.
Owen, R.E. (1963). Hydrology Annual, No.9, 1961. Soil Conservation and Rivers Control Council, Wellington, New Zealand.
Taranaki Catchment Commission and Regional Water Board Technical Report 83-6. Flooding in Taranaki 1954 to 1980.
Owen, R.E. (1963). Hydrology Annual, No.9, 1961. Soil Conservation and Rivers Control Council, Wellington, New Zealand.
O:\RSKD102\RawData\Archives\Documentation\1961-07-16th-18th-19th New Zealand FloodingTable: Discharge and catchment area of rivers in Canterbury and Otago

July 1961 New Zealand Flooding ( 1961-07-16 )

Heavy rain caused flooding in Waikato, Taranaki, Canterbury and Otago. Canterbury was hit the hardest resulting in high damage costs. There was one casualty in the Waikato.

Waikato

FloodingFlooding at Waipa River
Map Location: -38.251404 175.335123
Comments:

CasualtiesA man went missing and was thought drowned when attempting to cross the raging floodwaters of the Waipa River in a dinghy on the 18th.

FloodingFlooding at Huntly
Map Location: -37.559936 175.162622
Comments:

ImpactAcres of farmland was underwater.

ImpactThere was sandbagging along the Waikato River northwest of Huntly due to the flooding.

Affected LifelineWater covered the main highway between Hamilton and Auckland in two places.

FloodingFlooding at Piako River
Map Location: -37.281776 175.512524
Comments:

Peak DischargeOn the 18th, Piako River at Whakahoro Road had a discharge of 10,500 cusecs (297 cumecs)with a catchment area of 204 sq miles (528 km^2) and a gauge height of 20.55 ft (6.87m).

FloodingFlooding at Waitoa River
Map Location: -37.499054 175.568786
Comments:

Peak DischargeOn the 19th, Waitoa River at Whakahoro Road had a discharge of 3500 cusecs (99 cumecs) with a catchment area of 167 sq miles (433 km^2) and a gauge height of 10.75 ft (3.28m).

Taranaki

Heavy RainHeavy Rain at New Plymouth
Map Location: -39.051214 174.06972
Comments:

Physical CharacteristicNew Plymouth Aerodrome recorded 9.0cm of rain in 24 hours.

Physical CharacteristicNew Plymouth recorded 11.5cm of rain in 24 hours.

ImpactHeavy rain caused severe flooding in New Plymouth on the 16th.

FloodingFlooding
Comments:

Physical CharacteristicMangaotuku Stream rose four metres.

Physical CharacteristicNew Plymouth central shopping area was flooded by 1.2m of water on the street.

ImpactMangaotuku Stream rose voer 3.6m at the breweries which were put out of action for a week.

DamageBusinesses on Egmont and Brougham Street were damaged.

EvacueesHouses were evacuated on Gaine, Aubrey and Weymouth Streets.

Damage CostTotal damage to New Plymouth was £100,000 ($3,919,000 2009 dollars).

Physical CharacteristicWaiwakaiho River rose 15.2m.

CommentWaitara River reached its highest level in three years.

Heavy RainHeavy Rain at Dawson Falls
Map Location: -39.321582 174.105391
Comments:

Physical CharacteristicDawson Falls recorded 16.8cm of rain in 24 hours.

Heavy RainHeavy Rain at Inglewood
Map Location: -39.163073 174.187246
Comments:

Physical CharacteristicInglewood recorded 7.4cm of rain in 24 hours.

Canterbury

Heavy RainHeavy Rain at South Canterbury
Duration:   4  days - There was several days of high intensity rain from the 17th to the 19th. Rivers were still in high flood on the 20th.
Comments:

Physical CharacteristicRain fell heavily with some areas in South Canterbury recording up to 13 in (33.02cm) of rain in 50 hours up to 8pm on the 19th.

FloodingFlooding
Comments:

CommentIt was the most extensive flood in South Canterbury history.

ImpactRivers, streams and creeks were swollen. Many had broken their banks in several places.

ImpactLow-lying areas were inundated.

Affected LifelineThree bridges were broken. These were Brassells on the Pareora River, McCulloughs on the Waihao River near Waimate and the Tengawai on the highway from Timaru to Fairlie.

Affected LifelineAll country roads in south Canterbury were underwater.

DamageConsiderable damage was done in the Opihi, Pareora and Waihao River catchments.

Heavy RainHeavy Rain at Mount Nimrod
Map Location: -44.43623 170.80178
Comments:

Physical CharacteristicMount Nimrod recorded 0.59 in (1.50cm) of rain in one hour from 9 to 10pm.

FloodingFlooding at Arowhenua
Map Location: -44.2674 171.26558
Comments:

Affected LifelineThe main trunk railway line was cut at Arowhenua.

FloodingFlooding at Eversley
Map Location: -44.08911 170.80887
Comments:

EvacueesFive families were evacuated from Eversley.

CommentWater broke through the flood banks and swept around houses.

FloodingFlooding at Fairlie
Map Location: -44.10605 170.814496
Comments:

Affected LifelineFairlie was surrounded and cut off.

FloodingFlooding at Morven
Map Location: -44.81896 171.10878
Comments:

EvacueesJet boats were used to evacuate a family when the floodwaters of the Waihao River reached the window sills.

FloodingFlooding at Pleasant Point
Map Location: -44.258492 171.146343
Comments:

CommentTengawai River broke through the flood banks four miles above the township of Pleasant Point.

Physical CharacteristicA stream 100 yards wide (91m) and 6 inches (15.2cm) deep was flowing down country.

FloodingFlooding at Timaru
Map Location: -44.398445 171.2552
Comments:

Affected LifelineTimaru was cut off from north as the main highway became impassable.

FloodingFlooding at Little River
Map Location: -43.769095 172.782518
Comments:

Physical CharacteristicFlooding was reported with water 18 in (45.7cm) deep over the road in the township.

Heavy RainHeavy Rain at Opihi River
Map Location: -44.262405 171.189002
Comments:

Physical CharacteristicThe Opihi catchment recorded falls of up to 13.5 in (34.3cm) from the 17th to the 19th.

FloodingFlooding
Comments:

CommentLong lengths of stopbanks on the main river were overtopped and four major breaches occurred.

CommentTributaries of the Opihi River, especially Tengawai River, were also in heavy flood and overflow occurred at many points.

Affected LifelineLow lying areas, including a number of houses and huts, were inundated and many settlers had access severed for some time.

DamageRoads, bridges, fences and pastures suffered heavy damage.

Stock DamageStock losses were severe.

Damage CostDamage to property and river works was estimated at £95,000 ($3,723,000 2009 dollars).

Heavy RainHeavy Rain at Pareora River
Map Location: -44.45133 171.12485
Comments:

Physical CharacteristicThe Pareora catchment recorded falls of up to 13.78 in (35.0cm) from the 17th to the 19th.

FloodingFlooding
Comments:

Physical CharacteristicThe maximum discharge from the whole of the 208 square mile (539 km^2) catchment is unknown. But the combined peak discharge of the main river at the gorge and the south branch at the golf links (total catchment area 143 square miles (370 km^2)) was 20,400 cusecs (578 cumecs). This value was 3,000 cusecs more than 17,400 cusecs for a 25-year design flood.

DamageThe new and unconsolidated stopbanks suffered extensive damage.

AreaOver one thousand acres (405ha) of farm land flooded and erosion was very pronounced.

Property DamageHut owners suffered property damaged and some huts were washed away.

DamageRoads, bridges, fences and pastures were badly affected.

Stock DamageSome sheep were drowned.

Damage CostDamage to property and river works was estimated at £30,000 ($1,176,000 2009 dollars).

Heavy RainHeavy Rain at Waihao River
Map Location: -44.787437 171.009356
Comments:

Physical CharacteristicThe Waihao catchment recorded falls of up to 10 in (25.4cm) from the 17th to the 19th.

FloodingFlooding
Comments:

AreaHeavy overflows inundated approximately two thousand acres (809ha) of farm land, including some houses and farm buildings.

DamageBridges, fences and crops were damaged and top soil was eroded.

Stock DamageA number of sheep drowned.

Damage CostDamage to property and river works was estimated at £9000 ($352,700 2009 dollars).

Otago

Heavy RainHeavy Rain at Otago
Duration:   2  days - Heavy rain over the 18th and the 19th along with the melting of snow lead to flooding and the rise of many rivers.
Comments:
FloodingFlooding
Comments:

Affected LifelineSeveral roads were flooded. The road from Outram to Middlemarch was closed at Sutton and the road from Mosgiel to Outram was impassable at the Outram bridge.

Affected LifelineThe Taieri airport was closed.

FloodingFlooding at Maniototo Plain
Map Location: -45.151841 170.039107
Comments:

CommentThe Kyeburn River and its tributaries were in high flood.

Damage CostThere was thousands of pounds of damage across the Maniototo Plain.

Affected LifelineThere were three bridges and approaches to eight others which were swept away.

Affected LifelineRoads were badly scoured and many culverts were damaged.

Affected LifelineSpec Gully bridge on Kyeburn Diggings road collapsed.

FloodingFlooding at Kokonga
Map Location: -45.210004 170.246345
Comments:

CommentNear Kokonga, the floodwaters was so deep that only the roof of an abandoned Landrover was visible above the surface of floodwaters.

ImpactFloodwaters invaded the local rabbit board's house.

Heavy RainHeavy Rain at Kakanui
Map Location: -45.179058 170.909659
Comments:

Physical CharacteristicKakanui recorded 2 in (5.08cm) of rain in six hours.

FloodingFlooding at Riverside
Map Location: -45.18452 170.22704
Comments:

DamageTaieri River ripped a 50 yard (45.7m) gap along the east bank.

AreaOver 4000 acres (over 1619ha) of land was inundated.

Physical CharacteristicRoads were blocked to depths of 5 ft (1.52m).

EvacueesOne farmer was forced to leave his property.

ImpactFive farms were completely isolated.

Physical CharacteristicThe level of the Taieri River was at 18 ft 2 in (5.54m).

CommentTaieri River overtopped a 70 yard (64m) stopbank at Riverside.

FloodingFlooding at Five Forks
Map Location: -45.04912 170.77354
Comments:

EvacueesOne family was evacuated as floodwaters surrounded their house and several settlers were cut off from their homes by the rising waters of the Kakanui River.

FloodingFlooding at Maheno
Map Location: -45.166605 170.842662
Comments:

ImpactThe township was practically under water and paddocks were inundated.

EvacueesA number of houses had to be evacuated.

ImpactApproximately 20 farmers were marooned near Maheno.

Physical CharacteristicThe Main North Road was awash with 2.5 ft (0.76m) of water.

CommentKauru River rose to its highest level in for four years.

Stock DamageSeveral farms had small stock losses.

FloodingFlooding at Willowbank
Map Location: -46.031954 169.021234
Comments:

ImpactKakanui River broke through at Willowbank and many farmers were isolated.

AreaWater covered an estimated 700 acres (283ha).

Heavy RainHeavy Rain at Shag River
Map Location: -45.04912 170.77354
Comments:

Physical CharacteristicShag River recorded 4 in (10.16cm) of rain in 24 hours.

FloodingFlooding at Tokarahi
Map Location: -44.96082 170.64918
Comments:

ImpactTokarahi school was closed due to severe flooding in the district.

FloodingFlooding at Pigroot Creek
Map Location: -45.20158 170.41917
Comments:

Affected LifelinePigroot Stream was impassable and the approaches to bridges were washed out.

References

Hydrology Annual, No.14 1966, Published by the Ministry of Works , The Soil Conservation and Rivers Control Council, Wellington, New Zealand, A.R. Shearer, 1969
Headline: Otago Rivers Swollen To Danger Point.
Otago Daily Times, 19 July 1961.
Headline: Floods Swamp Province, Hard Hit.
Otago Daily Times, 20 July 1961.
Headline: Patrol Watching Taieri River.
Otago Daily Times, 20 July 1961.
Headline: Worst Flooding Ever In South Canterbury.
Otago Daily Times, 20 July 1961.
Owen, R.E. (1963). Hydrology Annual, No.9, 1961. Soil Conservation and Rivers Control Council, Wellington, New Zealand.
Taranaki Catchment Commission and Regional Water Board Technical Report 83-6. Flooding in Taranaki 1954 to 1980.
Owen, R.E. (1963). Hydrology Annual, No.9, 1961. Soil Conservation and Rivers Control Council, Wellington, New Zealand.
O:\RSKD102\RawData\Archives\Documentation\1961-07-16th-18th-19th New Zealand FloodingTable: Discharge and catchment area of rivers in Canterbury and Otago