NZ Historic Weather Events Catalogue
August 1990 Hawke's Bay Flooding ( 1990-08-23 )
Heavy rain caused flooding in the Heretaunga Plains.
Hawke's Bay
Multi Hazard
at
Hawke's Bay
Duration: 3 days - There was a moderately severe storm in Hawke's Bay on the 23rd to the 24th August 1990. Flooding occurred until the 25th.
A deep depression moving eastwards over the northern North Island produced northeasterly winds which caused heavy rain in catchments exposed to storms from that direction.
Heavy Rain
The heaviest rain fell along the coastal plains area and overtaxed some drainage systems. Central and southern areas received steady rainfall (40mm several gauges in Heretaunga Plains, 40-80mm in ranges )
Flooding
Major rivers were in moderate fresh.
Heretaunga Plains flooded. Ponding occurred in a number of localities especially at pumping stations.
There was widespread slips, flooding and failing sewerage systems.
Heavy Rain
at
Awatoto
The heaviest rainfall was in the Awatoto area where 120 mm (12.0 cm) of rain was recorded in four hours.
Flooding
at
Bay View
Esk River was 2.1 metres at the Waipunga Road bridge
There was significant ponding on the Landcorp Farm and other properties in the Bay View area.
Flooding
at
Hastings
Major debris blocks occurred at the State Highway 2 bridge and the Hastings sewer crossing.
Hastings district urban stormwater was completely overwhelmed in the area around Havelock Road.
The packing shed at Appledore Orchard was flooded for a time.
Flooding
at
Havelock North
Lower Tukituki River had damage to the bank protection works on the left bank downstream of River Road.
There was some bank erosion in the stream channel downstream from the Mangarau and Herehere Dams as a result of sustained high flows.
Flooding
at
Karamu Stream
Karamu Stream rose to its highest level for several years.
Flooding
at
Lake Poukawa
Lake Poukawa rose in flood and the outflow exceeded two cumecs.
Heavy Rain
at
Napier
Napier had near record rain.
Napier recorded 79.2 mm (7.92 cm) of rain. 79.2mm
The storm followed the wettest July in Napier for 82 years and a continually wet early August. The ground conditions were at field capacity at the beginning of this event.
Flooding
at
Te Awanga
Maraetotara River flooded Clifton Road at the Te Awanga bridge.
Flooding
at
Waimarama
Puhokio Stream sustained a large flood and some bank erosion occurred.
Flooding
at
Waingongoro Stream
Major bank erosion and bed degradation occurred on the Waingongoro Stream. It threatened one house and parts of the stopbank.
Heavy Rain
at
Waipukurau
Waipukurau recorded 50 mm (5.0 cm) of rain.
Flooding
at
Wanstead
Wanstead Swamp to Hurunui Road was closed. Flooding affected the State Highway.
Manawatu-Wanganui
Heavy Rain
at
Dannevirke
Dannevirke recorded 31.7 mm (3.17 cm) of rain. 31.7mm
References
- Hawkes Bay Regional Council, Flood Report 23-24 August 1990
- Headline: Rain warning for coast ranges
- Otago Daily Times, 25 August 1990.
August 1990 Hawke's Bay Flooding ( 1990-08-23 )
Heavy rain caused flooding in the Heretaunga Plains.
Hawke's Bay
Multi Hazard
at
Hawke's Bay
Duration: 3 days - There was a moderately severe storm in Hawke's Bay on the 23rd to the 24th August 1990. Flooding occurred until the 25th.
A deep depression moving eastwards over the northern North Island produced northeasterly winds which caused heavy rain in catchments exposed to storms from that direction.
Heavy Rain
The heaviest rain fell along the coastal plains area and overtaxed some drainage systems. Central and southern areas received steady rainfall (40mm several gauges in Heretaunga Plains, 40-80mm in ranges )
Flooding
Major rivers were in moderate fresh.
Heretaunga Plains flooded. Ponding occurred in a number of localities especially at pumping stations.
There was widespread slips, flooding and failing sewerage systems.
Heavy Rain
at
Awatoto
The heaviest rainfall was in the Awatoto area where 120 mm (12.0 cm) of rain was recorded in four hours.
Flooding
at
Bay View
Esk River was 2.1 metres at the Waipunga Road bridge
There was significant ponding on the Landcorp Farm and other properties in the Bay View area.
Flooding
at
Hastings
Major debris blocks occurred at the State Highway 2 bridge and the Hastings sewer crossing.
Hastings district urban stormwater was completely overwhelmed in the area around Havelock Road.
The packing shed at Appledore Orchard was flooded for a time.
Flooding
at
Havelock North
Lower Tukituki River had damage to the bank protection works on the left bank downstream of River Road.
There was some bank erosion in the stream channel downstream from the Mangarau and Herehere Dams as a result of sustained high flows.
Flooding
at
Karamu Stream
Karamu Stream rose to its highest level for several years.
Flooding
at
Lake Poukawa
Lake Poukawa rose in flood and the outflow exceeded two cumecs.
Heavy Rain
at
Napier
Napier had near record rain.
Napier recorded 79.2 mm (7.92 cm) of rain. 79.2mm
The storm followed the wettest July in Napier for 82 years and a continually wet early August. The ground conditions were at field capacity at the beginning of this event.
Flooding
at
Te Awanga
Maraetotara River flooded Clifton Road at the Te Awanga bridge.
Flooding
at
Waimarama
Puhokio Stream sustained a large flood and some bank erosion occurred.
Flooding
at
Waingongoro Stream
Major bank erosion and bed degradation occurred on the Waingongoro Stream. It threatened one house and parts of the stopbank.
Heavy Rain
at
Waipukurau
Waipukurau recorded 50 mm (5.0 cm) of rain.
Flooding
at
Wanstead
Wanstead Swamp to Hurunui Road was closed. Flooding affected the State Highway.
Manawatu-Wanganui
Heavy Rain
at
Dannevirke
Dannevirke recorded 31.7 mm (3.17 cm) of rain. 31.7mm
References
- Hawkes Bay Regional Council, Flood Report 23-24 August 1990
- Headline: Rain warning for coast ranges
- Otago Daily Times, 25 August 1990.