NZ Historic Weather Events Catalogue

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ModerateJune-July 1968 North Island Flooding ( 1968-06-29 )

A Civil Defence emergency was declared in Opotiki on the 1st of July 1968.

North Island

FloodingFlooding at North Island
Duration:   5  days - There was flooding in Waikato, Bay of Plenty and Gisborne from the 29th of June to the 3rd of July.
Comments:

Waikato

FloodingFlooding at Huntly
Map Location: -37.559936 175.162622
Comments:

Peak DischargeWaikato River had a peak discharge of 906 cumecs at Huntly Pumping Station on the 3rd of July from a catchment area of 12,062 km^2. The gauge height was 39.045 m.

FloodingFlooding at Mercer
Map Location: -37.280398 175.051243
Comments:

Peak DischargeWaikato River had a peak discharge of 865 cumecs at Mercer on the 4th of July from a catchment area of 13,701 km^2. The gauge height was 34.016 m.

FloodingFlooding at Ngaruawahia
Map Location: -37.668433 175.12798
Comments:

Peak DischargeWaikato River had a peak discharge of 815 cumecs at Ngaruawahia on the 3rd of July from a catchment area of 11,396 km^2. The gauge height was 40.904 m.

FloodingFlooding at Piako River
Map Location: -37.195058 175.500392
Comments:

Peak DischargePiako River had a peak discharge of 104 cumecs at Whakahoro Road on the 30th of June from a catchment area of 528 km^2. The gauge height was 5.517 m.

FloodingFlooding at Pirongia
Map Location: -37.990821 175.206803
Comments:

Peak DischargeWaipa River had a peak discharge of 335 cumecs at Pirongia Cableway on the 1st of July from a catchment area of 2152 km^2. The gauge height was 21.915 m.

FloodingFlooding at Puketurua
Map Location: -38.06608 175.6795
Comments:

Peak DischargePokaiwhenua River had a peak discharge of 12.8 cumecs at Puketurua on the 1st of July from a catchment area of 448 km^2. The gauge height was 1.085 m.

FloodingFlooding at Rangiriri
Map Location: -37.43113 175.134897
Comments:

Peak River LevelWaikato River had a peak gauge height of 36.82 m at Rangiriri on the 3rd of July.

FloodingFlooding at Waitoa River
Map Location: -37.823746 175.744186
Comments:

Peak DischargeWaitoa River had a peak discharge of 47.3 cumecs at Whakahoro Road on the 2nd of July from a catchment area of 433 km^2. The gauge height was 5.822 m.

Bay of Plenty

FloodingFlooding at Awakaponga
Map Location: -37.929526 176.739805
Comments:

Peak DischargeTarawera River had a peak discharge of 47.7 cumecs at Awakaponga on the 30th of June from a catchment area of 663 km^2. The gauge height was 0.860 m.

FloodingFlooding at Galatea
Map Location: -38.410998 176.742427
Comments:

Peak DischargeWhirinaki River had a peak discharge of 134 cumecs at Galatea on the 29th of June from a catchment area of 534 km^2. The gauge height was 1.387 m.

FloodingFlooding at Murupara
Map Location: -38.455726 176.712121
Comments:

Peak DischargeRangitaiki River had a peak discharge of 36.9 cumecs at Murupara on the 30th of June from a catchment area of 1184 km^2. The gauge height was 1.204 m.

FloodingFlooding at Opotiki
Map Location: -38.005993 177.293236
Comments:

Declared EmergencyA Civil Defence emergency was declared in Opotiki on the 1st of July.

Affected LifelineThere was a 36 hour power failure which was caused when poles carrying the Electricity Departments sole high tension service to the Opotiki area were carried away by flooding in the Whakatane River 36 miles away from the borough. The Civil Defence emergency was declared as a formality necessary to make any part of the civil defence scheme operative, and was not to be made public. Although it was made public in radio broadcasts causing some alarm among residents. The only threat of having no power was if the sewage system overflowed.

ImpactFour schools in the borough were closed due to the power failure.

FloodingFlooding at Te Teko
Map Location: -38.038762 176.790607
Comments:

Peak DischargeRangitaiki River had a peak discharge of 207 cumecs at Te Teko on the 1st of July from a catchment area of 2893 km^2. The gauge height was 3.505 m.

FloodingFlooding at Waimana River
Map Location: -38.242355 177.108556
Comments:

Peak DischargeWaimana River had a peak discharge of 265 cumecs at Waimana Gorge on the 30th of June from a catchment area of 440 km^2. The gauge height was 3.103 m.

FloodingFlooding at Wairere Stream
Comments:

Peak DischargeWairere River had a peak discharge of 2.55 cumecs at Wainui Road on the 29th of June from a catchment area of 2.59 km^2. The gauge height was 1.192 m.

FloodingFlooding at Whakatane
Map Location: -37.967356 176.992417
Comments:

Peak DischargeWhakatane River had a peak discharge of 527 cumecs at Whakatane on the 30th of June from a catchment area of 1557 km^2. The gauge height was 4.697 m.

Gisborne

FloodingFlooding at Waitangirua
Map Location: -38.24632 177.608006
Comments:

Peak DischargeMotu River had a peak discharge of 170 cumecs at Waitangirua on the 30th of June from a catchment area of 293 km^2. The gauge height was 3.264 m.

References

Major weather events in New Zealand, FLOODS and HIGH RAINFALL, Floods to 30 Sep 2005, Civil Defence Declarations since 1 January 1963
Owen, R.E. (1969). Hydrology Annual No.16, 1968. Soil Conservation and Rivers Control Council. Wellington, NZ: The Ministry of Works.
Headline: Opotiki officials are annoyed by "misrepresentation".
The Bay Of Plenty Times, 2 July 1968.
Headline: Power cut longest in history of borough.
The Bay Of Plenty Times, 2 July 1968.

ModerateJune-July 1968 North Island Flooding ( 1968-06-29 )

A Civil Defence emergency was declared in Opotiki on the 1st of July 1968.

North Island

FloodingFlooding at North Island
Duration:   5  days - There was flooding in Waikato, Bay of Plenty and Gisborne from the 29th of June to the 3rd of July.
Comments:

Waikato

FloodingFlooding at Huntly
Map Location: -37.559936 175.162622
Comments:

Peak DischargeWaikato River had a peak discharge of 906 cumecs at Huntly Pumping Station on the 3rd of July from a catchment area of 12,062 km^2. The gauge height was 39.045 m.

FloodingFlooding at Mercer
Map Location: -37.280398 175.051243
Comments:

Peak DischargeWaikato River had a peak discharge of 865 cumecs at Mercer on the 4th of July from a catchment area of 13,701 km^2. The gauge height was 34.016 m.

FloodingFlooding at Ngaruawahia
Map Location: -37.668433 175.12798
Comments:

Peak DischargeWaikato River had a peak discharge of 815 cumecs at Ngaruawahia on the 3rd of July from a catchment area of 11,396 km^2. The gauge height was 40.904 m.

FloodingFlooding at Piako River
Map Location: -37.195058 175.500392
Comments:

Peak DischargePiako River had a peak discharge of 104 cumecs at Whakahoro Road on the 30th of June from a catchment area of 528 km^2. The gauge height was 5.517 m.

FloodingFlooding at Pirongia
Map Location: -37.990821 175.206803
Comments:

Peak DischargeWaipa River had a peak discharge of 335 cumecs at Pirongia Cableway on the 1st of July from a catchment area of 2152 km^2. The gauge height was 21.915 m.

FloodingFlooding at Puketurua
Map Location: -38.06608 175.6795
Comments:

Peak DischargePokaiwhenua River had a peak discharge of 12.8 cumecs at Puketurua on the 1st of July from a catchment area of 448 km^2. The gauge height was 1.085 m.

FloodingFlooding at Rangiriri
Map Location: -37.43113 175.134897
Comments:

Peak River LevelWaikato River had a peak gauge height of 36.82 m at Rangiriri on the 3rd of July.

FloodingFlooding at Waitoa River
Map Location: -37.823746 175.744186
Comments:

Peak DischargeWaitoa River had a peak discharge of 47.3 cumecs at Whakahoro Road on the 2nd of July from a catchment area of 433 km^2. The gauge height was 5.822 m.

Bay of Plenty

FloodingFlooding at Awakaponga
Map Location: -37.929526 176.739805
Comments:

Peak DischargeTarawera River had a peak discharge of 47.7 cumecs at Awakaponga on the 30th of June from a catchment area of 663 km^2. The gauge height was 0.860 m.

FloodingFlooding at Galatea
Map Location: -38.410998 176.742427
Comments:

Peak DischargeWhirinaki River had a peak discharge of 134 cumecs at Galatea on the 29th of June from a catchment area of 534 km^2. The gauge height was 1.387 m.

FloodingFlooding at Murupara
Map Location: -38.455726 176.712121
Comments:

Peak DischargeRangitaiki River had a peak discharge of 36.9 cumecs at Murupara on the 30th of June from a catchment area of 1184 km^2. The gauge height was 1.204 m.

FloodingFlooding at Opotiki
Map Location: -38.005993 177.293236
Comments:

Declared EmergencyA Civil Defence emergency was declared in Opotiki on the 1st of July.

Affected LifelineThere was a 36 hour power failure which was caused when poles carrying the Electricity Departments sole high tension service to the Opotiki area were carried away by flooding in the Whakatane River 36 miles away from the borough. The Civil Defence emergency was declared as a formality necessary to make any part of the civil defence scheme operative, and was not to be made public. Although it was made public in radio broadcasts causing some alarm among residents. The only threat of having no power was if the sewage system overflowed.

ImpactFour schools in the borough were closed due to the power failure.

FloodingFlooding at Te Teko
Map Location: -38.038762 176.790607
Comments:

Peak DischargeRangitaiki River had a peak discharge of 207 cumecs at Te Teko on the 1st of July from a catchment area of 2893 km^2. The gauge height was 3.505 m.

FloodingFlooding at Waimana River
Map Location: -38.242355 177.108556
Comments:

Peak DischargeWaimana River had a peak discharge of 265 cumecs at Waimana Gorge on the 30th of June from a catchment area of 440 km^2. The gauge height was 3.103 m.

FloodingFlooding at Wairere Stream
Comments:

Peak DischargeWairere River had a peak discharge of 2.55 cumecs at Wainui Road on the 29th of June from a catchment area of 2.59 km^2. The gauge height was 1.192 m.

FloodingFlooding at Whakatane
Map Location: -37.967356 176.992417
Comments:

Peak DischargeWhakatane River had a peak discharge of 527 cumecs at Whakatane on the 30th of June from a catchment area of 1557 km^2. The gauge height was 4.697 m.

Gisborne

FloodingFlooding at Waitangirua
Map Location: -38.24632 177.608006
Comments:

Peak DischargeMotu River had a peak discharge of 170 cumecs at Waitangirua on the 30th of June from a catchment area of 293 km^2. The gauge height was 3.264 m.

References

Major weather events in New Zealand, FLOODS and HIGH RAINFALL, Floods to 30 Sep 2005, Civil Defence Declarations since 1 January 1963
Owen, R.E. (1969). Hydrology Annual No.16, 1968. Soil Conservation and Rivers Control Council. Wellington, NZ: The Ministry of Works.
Headline: Opotiki officials are annoyed by "misrepresentation".
The Bay Of Plenty Times, 2 July 1968.
Headline: Power cut longest in history of borough.
The Bay Of Plenty Times, 2 July 1968.