NZ Historic Weather Events Catalogue

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ModerateAugust 1930 Canterbury Flooding ( 1930-08-05 )

20 years

Serious flooding occurred in Christchurch and Banks Peninsula areas. People were evacuated and roads were blocked.

Canterbury

Heavy RainHeavy Rain at Canterbury
Duration:   3  days - There was three days and two nights of continuous rain in and around Christchurch from the 5th to the 7th.
Comments:
FloodingFlooding
Comments:

DamageAll rivers were in moderate flood but didn’t cause much damage.

ImpactSelwyn, Waireka and Hawkins rivers were not fordable.

Heavy RainHeavy Rain at Akaroa
Map Location: -43.806637 172.973757
Comments:

Physical CharacteristicAkaroa recorded 5.11 in (12.98 cm) of rain.

FloodingFlooding
Comments:

Affected LifelineRoads were blocked between the township and Birdling's Flat.

ImpactOne of the main creeks in the township overflowed, flooding the Recreation Ground and the cricket green.

Affected LifelineThe road to Akaroa was impassable.

LandslideLandslide
Comments:

Affected LifelineThe soaked conditions of the country side around Akaroa caused many minor slips on the roads.

Heavy RainHeavy Rain at Amberley
Map Location: -43.153786 172.731841
Comments:

Stock DamageThere were some fairly heavy lambing losses from the Amberley district as a result of the rain storm.

Multi HazardMulti Hazard
Comments:

CommentThe rain storm was accompanied by very low temperatures and cold blustery wind.

FloodingFlooding
Comments:

ImpactIn Amberley, the Kowai River was in flood.

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

Physical CharacteristicAshburton recorded 380 points (13.41 cm) of rain.

FloodingFlooding
Comments:

Affected LifelineSome roads in the borough and country were flooded.

Physical CharacteristicIn some districts towards the coast, nearly 4.5 in (11.43 cm) of rain fell.

Stock DamageA few early early lambs were lost.

ImpactIn many cases roads and paddocks were covered with water.

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

CommentThe Ashley River was in high flood and ran from bank to bank. It spread out over the flats below the bridge.

FloodingFlooding at Bankside
Map Location: -43.70361 172.087977
Comments:

Affected LifelineThe road near Bankside was flooded for a distance of nine chains (181 m).

Heavy RainHeavy Rain at Christchurch
Map Location: -43.53112 172.636147
Comments:

Physical CharacteristicChristchurch recorded 3.30 in (8.38 cm) of rain in two and a half days. It was the heaiviest rainfall since the 15th and 16th of April 1925.

Physical CharacteristicChristchurch recorded 1.27 in (3.23 cm) of rain in 24 hours.

Physical CharacteristicChristchurch recorded 2.48 in (6.30 cm) of rain in 48 hours.

FloodingFlooding
Comments:

ImpactIt was the most extensive flooding of low-lying parts of Christchurch city for many years.

ImpactHeathcote River was a turbulant, muddy stream. It overflowed its banks and spread over a wide area. At the foot of the hill leading to Cashmere-Sanatoria it flowed across the road, making it impassable to motor traffic. It scoured the roads along its banks and made many pot-holes.

EvacueesThe flood invaded many residences compelling evacuations.

ImpactWoolston, Radley, Beckenham, St. Albans North, Redcliffs and Spreydon districts were all flooded to varying degrees.

ImpactNumerous houses in the city were surrounded by water and the flood waters, in many cases, rose above floor levels.

Affected LifelineTransport was rendered difficult.

CommentAll the streams in the city were running bank high.

ImpactParts of St Albans Park were flooded.

Affected LifelineNew Brighton streets were slushy and the unpaved roads were inches deep in mud.

ImpactThere was flooding in the country district.

ImpactRoads, paddocks and gardens were rapidly flooded and water was invading houses.

Property DamageFlooding did considerable damage to private property.

ImpactAll low-lying parts around Barrington were flooded.

Affected LifelineThere was a burst water main on Ferry Road. A great many of the side streets were underwater from fence to fence.

ImpactIn Clarendon and Richmond Rerraces the river was more than bank to bank.

Evacuees20 residents were removed by drays and boats.

DamageA new bridge under construction suffered considerable damage.

ImpactIn Aldwins Road, water was up to the doors of the houses. On Wilson's Road, water was a foot deep (0.31 m).

ImpactFour new bungalows on Shirley Road were surrounded by water.

Physical CharacteristicThere were several acres of rural land under a foot (0.30 m) of water.

Affected LifelineNearly a quarter of a mile of Aldwins Road, in Linwood, was underwater.

ImpactAbout 15 acres (6 ha) of land in block bounded by Canal Reserve, Buckleys Road and the Linwood Cemetery was a sheet of water.

ImpactParts of the Bexley area between the New Brighton bridge and Aranui was underwater.

Affected LifelineThe Avon flooded causing tramlines to be submerged in places. Several residence and glasshouses were at least one foot (0.31 m) deep in the flood waters.

Physical CharacteristicFrom 6-18 in (0.15-0.46 m) of water surrounded some of the houses in the Northcote settlement.

DamageBitumen was scoured from the pavements and tram tracks by the action of the water.

ImpactOne pumping station on the bank of the Heathcote near Tennyson Street was completely submerged.

EvacueesMany of residents in the neighbourhood of Radley Bridge, one of the worst flooded areas were removed by Council motor-lorries. Along the Western Terrace there were marooned residents in 25 houses and 11 houses were under a foot (0.31 m) of water.

Maritime / CoastalMaritime / Coastal
Comments:

CommentHeavy seas were pounding on the beaches of the seaside suburbs.

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

Physical CharacteristicThe overflow from Lake Forsyth and the running water from the hills invaded township to a depth of 3 ft (0.91 m).

EvacueesFive families (20 people) had to abandon their homes.

Affected LifelineRailway line and the road to Little River was blocked.

Heavy RainHeavy Rain at Lyttelton
Map Location: -43.601111 172.721186
Comments:

CommentThe rainfall at Lyttleton over three days was the heaviest in 20 years.

LandslideLandslide
Comments:

CommentOn the Lyttleton side of the Main Highway, between Sumner and Lyttleton, several small slips occurred.

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

Physical CharacteristicMethven recorded 2.10 in (5.33 cm) of rain in 24 hours.

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

Physical CharacteristicOxford recorded 202 points (7.13 cm) of rain in 24 hours.

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

Physical CharacteristicRangiora recorded 4 in (10.16 cm) of rain in 24 hours. Not since 1923 has there been such a heavy fall of rain at Rangiora.

FloodingFlooding
Comments:

Affected LifelineFlaxton Road on the way to Rangiora was covered with water.

ImpactMuch of the flooding was caused by the backing up of the Cam River. The rain, wind and tide all having some effect.

ImpactSeveral of the small streams near Southbrook and Cam were unable to carry off the surface water and overflowed.

Affected LifelineIn and around Flaxton, on the low lands, there was a great deal of water and the road was underwater.

FloodingFlooding at Redcliffs
Map Location: -43.56156 172.73468
Comments:

ImpactSumner and Redcliffs residents suffered, arising from the backing up of flood waters.

ImpactIn the low-lying back portion of Sumner, there were many extensive patches of surface water.

Affected LifelineBay View Road and Pratt Street were closed at their junction with the main road by extensive sheets of water.

ImpactHouses were surrounded.

Crop Damage300 tomato plants were flooded and the plants were ruined.

FloodingFlooding at Rolleston
Map Location: -43.597954 172.374428
Comments:

Affected LifelineThe road was flooded near Rolleston.

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

ImpactThe Selwyn River was unfordable near Hororata.

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: Rain General
The Press, 6 August 1930.
Headline: At Lyttleton
The Press, 7 August 1930.
Headline: At Sumner, Discomfort and Damage
The Press, 7 August 1930.
Headline: City Floods, Houses Abandoned, Rescue of Residents
The Press, 7 August 1930.
Headline: In the Country
The Press, 7 August 1930.
Headline: Transport, No Serious Interruption, Little River Isolated
The Press, 7 August 1930.

ModerateAugust 1930 Canterbury Flooding ( 1930-08-05 )

20 years

Serious flooding occurred in Christchurch and Banks Peninsula areas. People were evacuated and roads were blocked.

Canterbury

Heavy RainHeavy Rain at Canterbury
Duration:   3  days - There was three days and two nights of continuous rain in and around Christchurch from the 5th to the 7th.
Comments:
FloodingFlooding
Comments:

DamageAll rivers were in moderate flood but didn’t cause much damage.

ImpactSelwyn, Waireka and Hawkins rivers were not fordable.

Heavy RainHeavy Rain at Akaroa
Map Location: -43.806637 172.973757
Comments:

Physical CharacteristicAkaroa recorded 5.11 in (12.98 cm) of rain.

FloodingFlooding
Comments:

Affected LifelineRoads were blocked between the township and Birdling's Flat.

ImpactOne of the main creeks in the township overflowed, flooding the Recreation Ground and the cricket green.

Affected LifelineThe road to Akaroa was impassable.

LandslideLandslide
Comments:

Affected LifelineThe soaked conditions of the country side around Akaroa caused many minor slips on the roads.

Heavy RainHeavy Rain at Amberley
Map Location: -43.153786 172.731841
Comments:

Stock DamageThere were some fairly heavy lambing losses from the Amberley district as a result of the rain storm.

Multi HazardMulti Hazard
Comments:

CommentThe rain storm was accompanied by very low temperatures and cold blustery wind.

FloodingFlooding
Comments:

ImpactIn Amberley, the Kowai River was in flood.

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

Physical CharacteristicAshburton recorded 380 points (13.41 cm) of rain.

FloodingFlooding
Comments:

Affected LifelineSome roads in the borough and country were flooded.

Physical CharacteristicIn some districts towards the coast, nearly 4.5 in (11.43 cm) of rain fell.

Stock DamageA few early early lambs were lost.

ImpactIn many cases roads and paddocks were covered with water.

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

CommentThe Ashley River was in high flood and ran from bank to bank. It spread out over the flats below the bridge.

FloodingFlooding at Bankside
Map Location: -43.70361 172.087977
Comments:

Affected LifelineThe road near Bankside was flooded for a distance of nine chains (181 m).

Heavy RainHeavy Rain at Christchurch
Map Location: -43.53112 172.636147
Comments:

Physical CharacteristicChristchurch recorded 3.30 in (8.38 cm) of rain in two and a half days. It was the heaiviest rainfall since the 15th and 16th of April 1925.

Physical CharacteristicChristchurch recorded 1.27 in (3.23 cm) of rain in 24 hours.

Physical CharacteristicChristchurch recorded 2.48 in (6.30 cm) of rain in 48 hours.

FloodingFlooding
Comments:

ImpactIt was the most extensive flooding of low-lying parts of Christchurch city for many years.

ImpactHeathcote River was a turbulant, muddy stream. It overflowed its banks and spread over a wide area. At the foot of the hill leading to Cashmere-Sanatoria it flowed across the road, making it impassable to motor traffic. It scoured the roads along its banks and made many pot-holes.

EvacueesThe flood invaded many residences compelling evacuations.

ImpactWoolston, Radley, Beckenham, St. Albans North, Redcliffs and Spreydon districts were all flooded to varying degrees.

ImpactNumerous houses in the city were surrounded by water and the flood waters, in many cases, rose above floor levels.

Affected LifelineTransport was rendered difficult.

CommentAll the streams in the city were running bank high.

ImpactParts of St Albans Park were flooded.

Affected LifelineNew Brighton streets were slushy and the unpaved roads were inches deep in mud.

ImpactThere was flooding in the country district.

ImpactRoads, paddocks and gardens were rapidly flooded and water was invading houses.

Property DamageFlooding did considerable damage to private property.

ImpactAll low-lying parts around Barrington were flooded.

Affected LifelineThere was a burst water main on Ferry Road. A great many of the side streets were underwater from fence to fence.

ImpactIn Clarendon and Richmond Rerraces the river was more than bank to bank.

Evacuees20 residents were removed by drays and boats.

DamageA new bridge under construction suffered considerable damage.

ImpactIn Aldwins Road, water was up to the doors of the houses. On Wilson's Road, water was a foot deep (0.31 m).

ImpactFour new bungalows on Shirley Road were surrounded by water.

Physical CharacteristicThere were several acres of rural land under a foot (0.30 m) of water.

Affected LifelineNearly a quarter of a mile of Aldwins Road, in Linwood, was underwater.

ImpactAbout 15 acres (6 ha) of land in block bounded by Canal Reserve, Buckleys Road and the Linwood Cemetery was a sheet of water.

ImpactParts of the Bexley area between the New Brighton bridge and Aranui was underwater.

Affected LifelineThe Avon flooded causing tramlines to be submerged in places. Several residence and glasshouses were at least one foot (0.31 m) deep in the flood waters.

Physical CharacteristicFrom 6-18 in (0.15-0.46 m) of water surrounded some of the houses in the Northcote settlement.

DamageBitumen was scoured from the pavements and tram tracks by the action of the water.

ImpactOne pumping station on the bank of the Heathcote near Tennyson Street was completely submerged.

EvacueesMany of residents in the neighbourhood of Radley Bridge, one of the worst flooded areas were removed by Council motor-lorries. Along the Western Terrace there were marooned residents in 25 houses and 11 houses were under a foot (0.31 m) of water.

Maritime / CoastalMaritime / Coastal
Comments:

CommentHeavy seas were pounding on the beaches of the seaside suburbs.

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

Physical CharacteristicThe overflow from Lake Forsyth and the running water from the hills invaded township to a depth of 3 ft (0.91 m).

EvacueesFive families (20 people) had to abandon their homes.

Affected LifelineRailway line and the road to Little River was blocked.

Heavy RainHeavy Rain at Lyttelton
Map Location: -43.601111 172.721186
Comments:

CommentThe rainfall at Lyttleton over three days was the heaviest in 20 years.

LandslideLandslide
Comments:

CommentOn the Lyttleton side of the Main Highway, between Sumner and Lyttleton, several small slips occurred.

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

Physical CharacteristicMethven recorded 2.10 in (5.33 cm) of rain in 24 hours.

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

Physical CharacteristicOxford recorded 202 points (7.13 cm) of rain in 24 hours.

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

Physical CharacteristicRangiora recorded 4 in (10.16 cm) of rain in 24 hours. Not since 1923 has there been such a heavy fall of rain at Rangiora.

FloodingFlooding
Comments:

Affected LifelineFlaxton Road on the way to Rangiora was covered with water.

ImpactMuch of the flooding was caused by the backing up of the Cam River. The rain, wind and tide all having some effect.

ImpactSeveral of the small streams near Southbrook and Cam were unable to carry off the surface water and overflowed.

Affected LifelineIn and around Flaxton, on the low lands, there was a great deal of water and the road was underwater.

FloodingFlooding at Redcliffs
Map Location: -43.56156 172.73468
Comments:

ImpactSumner and Redcliffs residents suffered, arising from the backing up of flood waters.

ImpactIn the low-lying back portion of Sumner, there were many extensive patches of surface water.

Affected LifelineBay View Road and Pratt Street were closed at their junction with the main road by extensive sheets of water.

ImpactHouses were surrounded.

Crop Damage300 tomato plants were flooded and the plants were ruined.

FloodingFlooding at Rolleston
Map Location: -43.597954 172.374428
Comments:

Affected LifelineThe road was flooded near Rolleston.

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

ImpactThe Selwyn River was unfordable near Hororata.

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: Rain General
The Press, 6 August 1930.
Headline: At Lyttleton
The Press, 7 August 1930.
Headline: At Sumner, Discomfort and Damage
The Press, 7 August 1930.
Headline: City Floods, Houses Abandoned, Rescue of Residents
The Press, 7 August 1930.
Headline: In the Country
The Press, 7 August 1930.
Headline: Transport, No Serious Interruption, Little River Isolated
The Press, 7 August 1930.