NZ Historic Weather Events Catalogue

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ModerateJanuary 1930 Canterbury Flooding ( 1930-01-15 )

25 years

Heavy rain caused landslides and flooding especially around the Ashburton area and in the hill country.

Canterbury

Heavy RainHeavy Rain at Canterbury
Duration:   2  days - There was unseasonable rainfall on the 15th to the 16th of January.
Comments:

Physical CharacteristicSome districts received over 4 in (10.16 cm) of rain in 24 hours and there was heavy rain in the back country.

FloodingFlooding
Comments:

CommentThe heavy rain forced all the rivers in the county to rise rapidly, particularly the Ashburton and Hinds River. There were heavy floods in parts of the Canterbury province and most South Canterbury rivers were in high flood.

ImpactSeveral rivers burst their banks and inundated a number of farms.

DamageThe flooding caused heavy damage.

Crop DamageCrops both standing and cut suffered severely. Oats in stooks and grass cut for hay and seed were total losses. Large areas of wheat and oats were laid flat. There were floating stooks in reaped fields.

Affected LifelineRailway communication with the West Coast was suspended as a result of washouts between Springfield and Arthurs Pass.

Affected LifelineThe railway line between Christchurch and Dunedin was under water at two points. Half a mile of line was underwater between Ashburton and Hinds.

Affected LifelineThere was damage to highways, bridges and other public works. Traffic was held up in all directions.

LandslideLandslide
Comments:

Affected LifelineSlips occurred on some roads and others were blocked due to flood waters.

Affected LifelineThere were slips between Staircase and Springfield including two slips between Kowai Bush and Staircase.

Stock DamageStock losses were reported in hill country where many sheep drowned.

Heavy RainHeavy Rain at Ashburton
Map Location: -43.902384 171.736416
Comments:

Physical CharacteristicAshburton recorded 1.40 in (3.56 cm) of rain in 24 hours.

FloodingFlooding
Comments:

ImpactThere was severe flooding due to heavy rain.

Affected LifelineRoads were impassible.

Affected LifelineThe southern main highway at Ashburton was practically impassable, due to the approaches to the traffic bridges being submerged to a depth of nearly 2 ft (0.61 m).

Physical Characteristic15 ft (4.57 m) of water covered a sunken road alongside the golf links.

ImpactIt was the heaviest flood for a number of years and even greater than the flood of December 1924 and July 1925, experienced in Ashburton.

ImpactThe river overflowed its banks on either side and caused concern to a large number of farmers with adjoining land.

Crop DamageThere was considerable damage to crops.

Physical CharacteristicThe rise of the river was at the rate of 3 in (7.6 cm) an hour until noon on the 15th, then continued to rise at a rate of about an inch (3.1 cm) hourly.

ImpactDuring the flood, there was water to a depth of 2 ft (0.61 m) in the Ashburton golf house and the top of the gateposts were well below the surface of the water.

ImpactThe north branch of the Ashburton River broke over the protective bank and it took a course into the Wakanui Creek.

ImpactThere were many paddocks flooded in the area.

FloodingFlooding at Ashburton River
Map Location: -43.568062 171.483983
Comments:

Physical CharacteristicAshburton River rose within 6 in (0.15 m) of the level of the flood of 1887.

Affected LifelineIt overflowed its banks on each side, inundating large tracts of land and blocking the south approach to the main highway traffic bridge.

Heavy RainHeavy Rain at Ashley Gorge
Map Location: -43.22999 172.22308
Comments:

Physical CharacteristicAshley Gorge recorded 6.16 in (15.65 cm) of rain in 48 hours.

FloodingFlooding at Ashley River
Map Location: -43.27606 172.67771
Comments:

ImpactThe level of the Ashley River was high and it overflowed its banks in several places.

ImpactThere was a change in the course of Ashley River.

FloodingFlooding at Hinds River
Map Location: -43.928524 171.529735
Comments:

CommentHind River was at its highest for 25 years.

ImpactThe river burst its banks in several places, swamping adjoining farm land.

Heavy RainHeavy Rain at Methven
Map Location: -43.637403 171.629133
Comments:

Physical CharacteristicMethven recorded 4.3 in (10.92 cm) of rain in 24 hours.

Heavy RainHeavy Rain at Mount Somers
Map Location: -43.619696 171.375502
Comments:

Physical CharacteristicMount Somers received 5 in (12.7 cm) of rain.

ImpactHouses were inundated.

FloodingFlooding at Opihi River
Map Location: -44.262405 171.189002
Comments:

ImpactOpihi River was in high flood and much land around it was inundated.

FloodingFlooding at Orari River
Map Location: -43.967993 171.21592
Comments:

ImpactOrari River was in high flood and much land around it was inundated.

Heavy RainHeavy Rain at Oxford
Map Location: -43.296138 172.188342
Comments:

Physical CharacteristicOxford recorded 5.15 in (13.08 cm) of rain in 48 hours.

FloodingFlooding at Pareora River
Map Location: -44.45133 171.12485
Comments:

ImpactExtensive inundation occurred in the upper reaches of Pareora River, where no protective works were built.

FloodingFlooding at Pattersons Stream
Map Location: -43.25517 171.91239
Comments:

ImpactPattersons Stream, railway bank gave way and a wash-out about 20 feet deep and 80 feet long was caused

Heavy RainHeavy Rain at Rakaia Gorge
Map Location: -43.49601 171.6249
Comments:

Physical CharacteristicRakaia Gorge recorded 4.00 in (10.16 cm) of rain in 24 hours.

FloodingFlooding at Rakaia River
Map Location: -42.63756 171.39125
Comments:

ImpactThere was a change in the course of Rakaia River.

Heavy RainHeavy Rain at Rangiora
Map Location: -43.310007 172.570781
Comments:

Physical CharacteristicRangiora recorded 2.76 in (7.01 cm) of rain in 24 hours.

Physical CharacteristicRangiora recorded 3.37 in (8.56 cm) of rain in 48 hours.

FloodingFlooding at Selwyn River
Map Location: -43.6641 172.294396
Comments:

ImpactSelwyn River rose constantly at a rate 9 in per hr, peak level reached dacking of Ellesmere railway bridge

ImpactExtensive areas of land was inundated in the lower reaches of the river.

FloodingFlooding at Springburn
Map Location: -43.66344 171.46362
Comments:

Affected LifelineAt Springburn, the road was scoured out for over a mile.

Heavy RainHeavy Rain at Staveley
Map Location: -43.652621 171.445293
Comments:

Physical CharacteristicStaveley recorded 4.10 in (10.41 cm) of rain in 24 hours.

Heavy RainHeavy Rain at Timaru
Map Location: -44.398445 171.2552
Comments:

Physical CharacteristicTimaru recorded 1.10 in (2.79 cm) of rain in 24 hours.

Affected LifelineTraffic north of Timaru was blocked.

FloodingFlooding at Tinwald
Map Location: -43.921583 171.722316
Comments:

ImpactMany farms at Tinwald were badly swamped.

FloodingFlooding at Waimakariri River
Map Location: -43.459744 172.289962
Comments:

Peak DischargeWaimakariri River had a peak discharge of 69,000 cusecs (1954 cumecs) at Otarama.

Physical CharacteristicWaimakariri River rose 7.5 ft (2.29 m) above normal at Whites Bridge.

FloodingFlooding at Winchmore
Map Location: -43.828396 171.720551
Comments:

Crop DamageAt Winchmore, the effects of the flood was fairly extensive and paddocks of crop were considerably damaged.

References

Cowie, C.A.: Attwood, A.K. (1957) Floods in New Zealand 1920-53, The Soil Conservation and Rivers Control Council, Wellington, New Zealand, p.239.
Headline: Heavy Rains Cause Floods, Canterbury Rivers Overflow
The Press, 16 January 1930.
Headline: Floods in the south, worst for 25 years.
The Thames Star, 16 January 1930.

ModerateJanuary 1930 Canterbury Flooding ( 1930-01-15 )

25 years

Heavy rain caused landslides and flooding especially around the Ashburton area and in the hill country.

Canterbury

Heavy RainHeavy Rain at Canterbury
Duration:   2  days - There was unseasonable rainfall on the 15th to the 16th of January.
Comments:

Physical CharacteristicSome districts received over 4 in (10.16 cm) of rain in 24 hours and there was heavy rain in the back country.

FloodingFlooding
Comments:

CommentThe heavy rain forced all the rivers in the county to rise rapidly, particularly the Ashburton and Hinds River. There were heavy floods in parts of the Canterbury province and most South Canterbury rivers were in high flood.

ImpactSeveral rivers burst their banks and inundated a number of farms.

DamageThe flooding caused heavy damage.

Crop DamageCrops both standing and cut suffered severely. Oats in stooks and grass cut for hay and seed were total losses. Large areas of wheat and oats were laid flat. There were floating stooks in reaped fields.

Affected LifelineRailway communication with the West Coast was suspended as a result of washouts between Springfield and Arthurs Pass.

Affected LifelineThe railway line between Christchurch and Dunedin was under water at two points. Half a mile of line was underwater between Ashburton and Hinds.

Affected LifelineThere was damage to highways, bridges and other public works. Traffic was held up in all directions.

LandslideLandslide
Comments:

Affected LifelineSlips occurred on some roads and others were blocked due to flood waters.

Affected LifelineThere were slips between Staircase and Springfield including two slips between Kowai Bush and Staircase.

Stock DamageStock losses were reported in hill country where many sheep drowned.

Heavy RainHeavy Rain at Ashburton
Map Location: -43.902384 171.736416
Comments:

Physical CharacteristicAshburton recorded 1.40 in (3.56 cm) of rain in 24 hours.

FloodingFlooding
Comments:

ImpactThere was severe flooding due to heavy rain.

Affected LifelineRoads were impassible.

Affected LifelineThe southern main highway at Ashburton was practically impassable, due to the approaches to the traffic bridges being submerged to a depth of nearly 2 ft (0.61 m).

Physical Characteristic15 ft (4.57 m) of water covered a sunken road alongside the golf links.

ImpactIt was the heaviest flood for a number of years and even greater than the flood of December 1924 and July 1925, experienced in Ashburton.

ImpactThe river overflowed its banks on either side and caused concern to a large number of farmers with adjoining land.

Crop DamageThere was considerable damage to crops.

Physical CharacteristicThe rise of the river was at the rate of 3 in (7.6 cm) an hour until noon on the 15th, then continued to rise at a rate of about an inch (3.1 cm) hourly.

ImpactDuring the flood, there was water to a depth of 2 ft (0.61 m) in the Ashburton golf house and the top of the gateposts were well below the surface of the water.

ImpactThe north branch of the Ashburton River broke over the protective bank and it took a course into the Wakanui Creek.

ImpactThere were many paddocks flooded in the area.

FloodingFlooding at Ashburton River
Map Location: -43.568062 171.483983
Comments:

Physical CharacteristicAshburton River rose within 6 in (0.15 m) of the level of the flood of 1887.

Affected LifelineIt overflowed its banks on each side, inundating large tracts of land and blocking the south approach to the main highway traffic bridge.

Heavy RainHeavy Rain at Ashley Gorge
Map Location: -43.22999 172.22308
Comments:

Physical CharacteristicAshley Gorge recorded 6.16 in (15.65 cm) of rain in 48 hours.

FloodingFlooding at Ashley River
Map Location: -43.27606 172.67771
Comments:

ImpactThe level of the Ashley River was high and it overflowed its banks in several places.

ImpactThere was a change in the course of Ashley River.

FloodingFlooding at Hinds River
Map Location: -43.928524 171.529735
Comments:

CommentHind River was at its highest for 25 years.

ImpactThe river burst its banks in several places, swamping adjoining farm land.

Heavy RainHeavy Rain at Methven
Map Location: -43.637403 171.629133
Comments:

Physical CharacteristicMethven recorded 4.3 in (10.92 cm) of rain in 24 hours.

Heavy RainHeavy Rain at Mount Somers
Map Location: -43.619696 171.375502
Comments:

Physical CharacteristicMount Somers received 5 in (12.7 cm) of rain.

ImpactHouses were inundated.

FloodingFlooding at Opihi River
Map Location: -44.262405 171.189002
Comments:

ImpactOpihi River was in high flood and much land around it was inundated.

FloodingFlooding at Orari River
Map Location: -43.967993 171.21592
Comments:

ImpactOrari River was in high flood and much land around it was inundated.

Heavy RainHeavy Rain at Oxford
Map Location: -43.296138 172.188342
Comments:

Physical CharacteristicOxford recorded 5.15 in (13.08 cm) of rain in 48 hours.

FloodingFlooding at Pareora River
Map Location: -44.45133 171.12485
Comments:

ImpactExtensive inundation occurred in the upper reaches of Pareora River, where no protective works were built.

FloodingFlooding at Pattersons Stream
Map Location: -43.25517 171.91239
Comments:

ImpactPattersons Stream, railway bank gave way and a wash-out about 20 feet deep and 80 feet long was caused

Heavy RainHeavy Rain at Rakaia Gorge
Map Location: -43.49601 171.6249
Comments:

Physical CharacteristicRakaia Gorge recorded 4.00 in (10.16 cm) of rain in 24 hours.

FloodingFlooding at Rakaia River
Map Location: -42.63756 171.39125
Comments:

ImpactThere was a change in the course of Rakaia River.

Heavy RainHeavy Rain at Rangiora
Map Location: -43.310007 172.570781
Comments:

Physical CharacteristicRangiora recorded 2.76 in (7.01 cm) of rain in 24 hours.

Physical CharacteristicRangiora recorded 3.37 in (8.56 cm) of rain in 48 hours.

FloodingFlooding at Selwyn River
Map Location: -43.6641 172.294396
Comments:

ImpactSelwyn River rose constantly at a rate 9 in per hr, peak level reached dacking of Ellesmere railway bridge

ImpactExtensive areas of land was inundated in the lower reaches of the river.

FloodingFlooding at Springburn
Map Location: -43.66344 171.46362
Comments:

Affected LifelineAt Springburn, the road was scoured out for over a mile.

Heavy RainHeavy Rain at Staveley
Map Location: -43.652621 171.445293
Comments:

Physical CharacteristicStaveley recorded 4.10 in (10.41 cm) of rain in 24 hours.

Heavy RainHeavy Rain at Timaru
Map Location: -44.398445 171.2552
Comments:

Physical CharacteristicTimaru recorded 1.10 in (2.79 cm) of rain in 24 hours.

Affected LifelineTraffic north of Timaru was blocked.

FloodingFlooding at Tinwald
Map Location: -43.921583 171.722316
Comments:

ImpactMany farms at Tinwald were badly swamped.

FloodingFlooding at Waimakariri River
Map Location: -43.459744 172.289962
Comments:

Peak DischargeWaimakariri River had a peak discharge of 69,000 cusecs (1954 cumecs) at Otarama.

Physical CharacteristicWaimakariri River rose 7.5 ft (2.29 m) above normal at Whites Bridge.

FloodingFlooding at Winchmore
Map Location: -43.828396 171.720551
Comments:

Crop DamageAt Winchmore, the effects of the flood was fairly extensive and paddocks of crop were considerably damaged.

References

Cowie, C.A.: Attwood, A.K. (1957) Floods in New Zealand 1920-53, The Soil Conservation and Rivers Control Council, Wellington, New Zealand, p.239.
Headline: Heavy Rains Cause Floods, Canterbury Rivers Overflow
The Press, 16 January 1930.
Headline: Floods in the south, worst for 25 years.
The Thames Star, 16 January 1930.