NZ Historic Weather Events Catalogue

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May 1950 Waikato Flooding ( 1950-05-19 )

There was a cloud-burst in the Port Charles area resulting in severe flooding of the surrounding country.

Waikato

FloodingFlooding at Waikato
Comments:

Damage CostThe damage to roads in the Coromandel county totalled £6665 ($413,700 2010 dollars).

Heavy RainHeavy Rain at Port Charles
Map Location: -36.52518 175.46459
Comments:

CommentThere was a cloud-burst in the Port Charles area on the 19th May 1950.

CommentThe downpour appeared to be most severe in the Sandy and Stony Bay areas and dividing ridge between Stony Bay and Fletchers Bay.

FloodingFlooding
Comments:

ImpactThere was severe flooding to the surrounding country.

ImpactThe flats were completely inundated to several feet in water depth. Silting of flats occurred.

ImpactHeavy timber and debris was scattered over wide areas.

DamageThere was serious damage from soil loss but only a small area was affected.

Area1000 acres (405 ha) of hill country suffered severe sheet erosion and slipping.

Area50 acres (20 ha) of flat land was damaged by silt debris, fence damage and flooding.

Peak DischargeKerr Creek had a peak discharge of 1220 cusecs (34.5 cumecs) at Port Charles.

Peak DischargeEel Creek had a peak discharge of 1390 cusecs (39.4 cumecs) at Port Charles.

Peak DischargeTangiaro Stream had a peak discharge of 870 cusecs (24.6 cumecs) at Port Charles.

Damage CostDamage was estimated at £8000 ($496,500 2010 dollars).

ImpactSeveral buildings and two dogs were swept out to sea.

DamageThe school moved off its foundations.

Affected LifelineThere was a 15 foot (4.6 m) deep hole in the road.

ImpactThe district was isolated.

DamageFence posts, telegraph poles, one out-building and much farm equipment was left bobbing about in the sea.

Physical CharacteristicOne resident had 2 feet (0.6 m) water in his kitchen.

FloodingFlooding at Sandy Bay
Map Location: -36.52636 175.45815
Comments:

Peak DischargeOkaihau Creek had a peak discharge of 8180 cusecs (232 cumecs) at Sandy Bay.

Physical CharacteristicIt was estimated that water reached a height of 8 or 9 feet (2.4-2.7 m) in Okaihau Creek.

FloodingFlooding at Stony Bay
Map Location: -36.51138 175.42263
Comments:

Peak DischargeDoctors Creek had a peak discharge of 3650 cusecs (103 cumecs) at Stony Bay.

Peak DischargeStony Bay Creek had a peak discharge of 2640 cusecs (75 cumecs) at Stony Bay.

FloodingFlooding at Waikawau
Map Location: -36.595826 175.51678
Comments:

Peak DischargeGisborne Stream had a peak discharge of 375 cusecs (10.6 cumecs) at Waikawau Bay.

Peak DischargeWaikanae Stream had a peak discharge of 335 cusecs (9.5 cumecs) at Waikawau Bay.

References

Cowie, C.A., Attwood, A.K. (1957) Floods in New Zealand 1920-1953, The Soil Conservation Control Council, Wellington, New Zealand
Headline: Port Charles Struck By Cloudburst: ₤8000 Damage
The Waikato Times, 19 May 1950.

May 1950 Waikato Flooding ( 1950-05-19 )

There was a cloud-burst in the Port Charles area resulting in severe flooding of the surrounding country.

Waikato

FloodingFlooding at Waikato
Comments:

Damage CostThe damage to roads in the Coromandel county totalled £6665 ($413,700 2010 dollars).

Heavy RainHeavy Rain at Port Charles
Map Location: -36.52518 175.46459
Comments:

CommentThere was a cloud-burst in the Port Charles area on the 19th May 1950.

CommentThe downpour appeared to be most severe in the Sandy and Stony Bay areas and dividing ridge between Stony Bay and Fletchers Bay.

FloodingFlooding
Comments:

ImpactThere was severe flooding to the surrounding country.

ImpactThe flats were completely inundated to several feet in water depth. Silting of flats occurred.

ImpactHeavy timber and debris was scattered over wide areas.

DamageThere was serious damage from soil loss but only a small area was affected.

Area1000 acres (405 ha) of hill country suffered severe sheet erosion and slipping.

Area50 acres (20 ha) of flat land was damaged by silt debris, fence damage and flooding.

Peak DischargeKerr Creek had a peak discharge of 1220 cusecs (34.5 cumecs) at Port Charles.

Peak DischargeEel Creek had a peak discharge of 1390 cusecs (39.4 cumecs) at Port Charles.

Peak DischargeTangiaro Stream had a peak discharge of 870 cusecs (24.6 cumecs) at Port Charles.

Damage CostDamage was estimated at £8000 ($496,500 2010 dollars).

ImpactSeveral buildings and two dogs were swept out to sea.

DamageThe school moved off its foundations.

Affected LifelineThere was a 15 foot (4.6 m) deep hole in the road.

ImpactThe district was isolated.

DamageFence posts, telegraph poles, one out-building and much farm equipment was left bobbing about in the sea.

Physical CharacteristicOne resident had 2 feet (0.6 m) water in his kitchen.

FloodingFlooding at Sandy Bay
Map Location: -36.52636 175.45815
Comments:

Peak DischargeOkaihau Creek had a peak discharge of 8180 cusecs (232 cumecs) at Sandy Bay.

Physical CharacteristicIt was estimated that water reached a height of 8 or 9 feet (2.4-2.7 m) in Okaihau Creek.

FloodingFlooding at Stony Bay
Map Location: -36.51138 175.42263
Comments:

Peak DischargeDoctors Creek had a peak discharge of 3650 cusecs (103 cumecs) at Stony Bay.

Peak DischargeStony Bay Creek had a peak discharge of 2640 cusecs (75 cumecs) at Stony Bay.

FloodingFlooding at Waikawau
Map Location: -36.595826 175.51678
Comments:

Peak DischargeGisborne Stream had a peak discharge of 375 cusecs (10.6 cumecs) at Waikawau Bay.

Peak DischargeWaikanae Stream had a peak discharge of 335 cusecs (9.5 cumecs) at Waikawau Bay.

References

Cowie, C.A., Attwood, A.K. (1957) Floods in New Zealand 1920-1953, The Soil Conservation Control Council, Wellington, New Zealand
Headline: Port Charles Struck By Cloudburst: ₤8000 Damage
The Waikato Times, 19 May 1950.