NZ Historic Weather Events Catalogue
July 1946 Northland Flooding
(
1946-07-03
)
Heavy rain and flooding occurred in many parts of Northland. Properties in Whangarei were flooded.
Northland
Multi Hazard
at
Northland
Duration: 2 days - From the 3rd to the 4th of July.
The railway north of Whangarei was blocked by slips and flood waters over the lines.
Traffic was dislocated.
Damage to roads in the Whangarei, Hobson and Hokianga Counties totalled £2,165 ($155,100 2008 dollars).
In the eastern area of the Manganui County serious damage was caused to the roads. There were 40 or 50 slips across roads while subsidence and moving hillsides presented a serious problem.
Flooding
There was serious flooding throughout the Whangarei district on the 3rd.
Heavy Rain
at
Dargaville
Dargaville recorded 4.07 in (10.3 cm) of rain in 24 hours.
Flooding
At Dargaville, a large area of land was inundated.
Multi Hazard
All Dargavlile roads were blocked.
Landslide
at
Helena Bay
A slip estimated to contain 1000 yards (914 m) of earth blocked the road at Helena Bay.
Flooding
at
Hikurangi
Flooding occurred in the Hikurangi when the creek running through the centre of town overflowed its banks.
The main street from the theatre to the hotel was flooded to 9 in (23 cm) deep.
Flooding
at
Hikurangi Swamp
The Hikurangi Swamp area was flooded.
Heavy Rain
at
Kaikohe
Kaikohe recorded 1.48in (3.8 cm) of rain in 24 hours.
Flooding
at
Kiripaka
At Kiripaka, paddocks were flooded to more than 4 ft (1.2 m).
The road was inundated and impassable.
Flooding
at
Kokopu
At Kokopu and Kara, 1000 acres (4.05 km^2) of land was flooded.
Heavy Rain
at
Onerahi
Onerahi recorded 4.3 in (10.9 cm) of rain in 24 hours.
Flooding
at
Otonga
The main north highway was flooded at Otonga Flat.
Flooding
at
Purua
The Wairua River at Purua had a peak flow of 7,149 cusecs (202 cumecs).
Heavy Rain
at
Ruatangata West
Ruatangata recorded 2.95 in (7.5 cm) of rain in 24 hours.
Flooding
at
Russell
The Russell business area was flooded.
Store keepers suffered losses.
Flooding
at
Tirohanga Stream
Tirohanga Stream had a discharge of 688 cusecs (19 cumecs).
Flooding
at
Waiharaheke Stream
Waiharaheke Stream had a discharge of 5,190 cusecs (147 cumecs).
Flooding
at
Wairoa River
The Wairoa River had a discharge of 7,419 cusecs (210 cumecs).
Heavy Rain
at
Wairua Falls
Wairua Falls recorded 5.06 in (12.9 cm) of rain in 24 hours.
Wairua Falls recorded 1.26 in (3.2 cm) of rain in 10 hours.
Flooding
at
Whakapara
The main north highway was blocked by flood waters at Whakapara.
Heavy Rain
at
Whangarei
Whangarei recorded 4.56 in (11.6 cm) of rain in 24 hours.
Whangarei recorded 3.03 in (7.7 cm) of rain in 24 hours.
Whangarei recorded 14.90 in (37.8 cm) of rain in five days in July.
Flooding
Waiarohia Stream became a raging torrent and overflowed its banks.
Multi Hazard
At Whangarei, all roads were impassable due to flood waters and extensive slips.
Reclaimed land on the Port Road was under water at high tide. The Borough Council refuse dump was flooded.
Raumanga Stream burst its banks, flooding the back portions of at least five houses fronting onto Maunu Road.
References
- Cowie, C.A.; Attwood, A.K. (1957). Floods in New Zealand 1920-1953. The Soil Conservation Control Council, Wellington, New Zealand.
- Hydrological Annual No. 3 1955. Soil Conservation and Rivers Control Council Wellington, New Zealand.
- Headline: Damage by Floods, Mangonui County Roads.
- The New Zealand Herald, 29 July (Monday) 1946.
- Headline: Torrential rain in middle north.
- The Northern Advocate, 4 July 1946.
- Headline: Town stream shows extent of flooding.
- The Northern Advocate, 4 July 1946.
- Headline: Serious flooding in all parts of Northland: Horseman drowned, slip derails train.
- The Northern Advocate, 6 October 1955.
July 1946 Northland Flooding
(
1946-07-03
)
Heavy rain and flooding occurred in many parts of Northland. Properties in Whangarei were flooded.
Northland
Multi Hazard
at
Northland
Duration: 2 days - From the 3rd to the 4th of July.
The railway north of Whangarei was blocked by slips and flood waters over the lines.
Traffic was dislocated.
Damage to roads in the Whangarei, Hobson and Hokianga Counties totalled £2,165 ($155,100 2008 dollars).
In the eastern area of the Manganui County serious damage was caused to the roads. There were 40 or 50 slips across roads while subsidence and moving hillsides presented a serious problem.
Flooding
There was serious flooding throughout the Whangarei district on the 3rd.
Heavy Rain
at
Dargaville
Dargaville recorded 4.07 in (10.3 cm) of rain in 24 hours.
Flooding
At Dargaville, a large area of land was inundated.
Multi Hazard
All Dargavlile roads were blocked.
Landslide
at
Helena Bay
A slip estimated to contain 1000 yards (914 m) of earth blocked the road at Helena Bay.
Flooding
at
Hikurangi
Flooding occurred in the Hikurangi when the creek running through the centre of town overflowed its banks.
The main street from the theatre to the hotel was flooded to 9 in (23 cm) deep.
Flooding
at
Hikurangi Swamp
The Hikurangi Swamp area was flooded.
Heavy Rain
at
Kaikohe
Kaikohe recorded 1.48in (3.8 cm) of rain in 24 hours.
Flooding
at
Kiripaka
At Kiripaka, paddocks were flooded to more than 4 ft (1.2 m).
The road was inundated and impassable.
Flooding
at
Kokopu
At Kokopu and Kara, 1000 acres (4.05 km^2) of land was flooded.
Heavy Rain
at
Onerahi
Onerahi recorded 4.3 in (10.9 cm) of rain in 24 hours.
Flooding
at
Otonga
The main north highway was flooded at Otonga Flat.
Flooding
at
Purua
The Wairua River at Purua had a peak flow of 7,149 cusecs (202 cumecs).
Heavy Rain
at
Ruatangata West
Ruatangata recorded 2.95 in (7.5 cm) of rain in 24 hours.
Flooding
at
Russell
The Russell business area was flooded.
Store keepers suffered losses.
Flooding
at
Tirohanga Stream
Tirohanga Stream had a discharge of 688 cusecs (19 cumecs).
Flooding
at
Waiharaheke Stream
Waiharaheke Stream had a discharge of 5,190 cusecs (147 cumecs).
Flooding
at
Wairoa River
The Wairoa River had a discharge of 7,419 cusecs (210 cumecs).
Heavy Rain
at
Wairua Falls
Wairua Falls recorded 5.06 in (12.9 cm) of rain in 24 hours.
Wairua Falls recorded 1.26 in (3.2 cm) of rain in 10 hours.
Flooding
at
Whakapara
The main north highway was blocked by flood waters at Whakapara.
Heavy Rain
at
Whangarei
Whangarei recorded 4.56 in (11.6 cm) of rain in 24 hours.
Whangarei recorded 3.03 in (7.7 cm) of rain in 24 hours.
Whangarei recorded 14.90 in (37.8 cm) of rain in five days in July.
Flooding
Waiarohia Stream became a raging torrent and overflowed its banks.
Multi Hazard
At Whangarei, all roads were impassable due to flood waters and extensive slips.
Reclaimed land on the Port Road was under water at high tide. The Borough Council refuse dump was flooded.
Raumanga Stream burst its banks, flooding the back portions of at least five houses fronting onto Maunu Road.
References
- Cowie, C.A.; Attwood, A.K. (1957). Floods in New Zealand 1920-1953. The Soil Conservation Control Council, Wellington, New Zealand.
- Hydrological Annual No. 3 1955. Soil Conservation and Rivers Control Council Wellington, New Zealand.
- Headline: Damage by Floods, Mangonui County Roads.
- The New Zealand Herald, 29 July (Monday) 1946.
- Headline: Torrential rain in middle north.
- The Northern Advocate, 4 July 1946.
- Headline: Town stream shows extent of flooding.
- The Northern Advocate, 4 July 1946.
- Headline: Serious flooding in all parts of Northland: Horseman drowned, slip derails train.
- The Northern Advocate, 6 October 1955.