NZ Historic Weather Events Catalogue

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July 1942 West Coast Flooding ( 1942-07-12 )

Extremely heavy rain fell on the West Coast resulting in flooding in Greymouth and Westport areas.

Tasman-Nelson

Heavy RainHeavy Rain at Lake Rotoiti
Map Location: -41.80445 172.8244
Comments:

Physical CharacteristicRotoiti recorded 2.52 in (6.40 cm) of rain in 24 hours.

Heavy RainHeavy Rain at Murchison
Map Location: -41.804373 172.328619
Comments:

Physical CharacteristicMurchison recorded 3.67 in (9.32 cm) of rain in 24 hours.

West Coast

Heavy RainHeavy Rain at West Coast
Comments:

CommentThere was heavy rain on the 12th.

Snow / IceSnow / Ice
Comments:

Affected LifelineThe Midland railway was affected as snow at higher altitudes caused delays.

Heavy RainHeavy Rain at Greymouth
Map Location: -42.451212 171.206779
Comments:

Physical CharacteristicGreymouth recorded 4.65 in (11.81 cm) of rain in 24 hours.

Physical CharacteristicGreymouth recorded 6.31 in (16.03 cm) of rain in 48 hours.

FloodingFlooding
Comments:

Affected LifelineIn Greymouth and the surrounding districts, flooding, numerous slips and washouts blocked roads.

Physical CharacteristicIn Greymouth, the Grey River rose within 3 ft (0.91 m) of the wharf.

ImpactMinor flooding occurred in the lower portions of Greymouth.

Affected LifelineSeveral coalmines were idle due to slips and washouts occurring on the railway line.

Damage CostThe damage to Grey county roads was £1622 ($125,200 2009 dollars).

LandslideLandslide
Comments:

ImpactThere were small slips in the area.

FloodingFlooding at Inangahua
Map Location: -41.859148 171.954076
Comments:

Physical Characteristic9 ft (2.74 m) of water covered the road to Nelson in Inangahua.

Affected LifelineBuller Gorge road was blocked by flood waters and slips.

Damage CostThe damage to the roads in Inangahua county was £1100 ($84,900 2009 dollars).

LandslideLandslide
Comments:

Affected LifelineMany roads in the area were blocked by slips.

Heavy RainHeavy Rain at Karamea
Map Location: -41.245488 172.103638
Comments:

Physical CharacteristicKaramea recorded 3.20 in (8.13 cm) of rain in 24 hours.

Heavy RainHeavy Rain at Millerton
Map Location: -41.63243 171.878
Comments:

Physical CharacteristicMillerton recorded 5.84 in (14.83 cm) of rain in 24 hours.

Heavy RainHeavy Rain at Reefton
Map Location: -42.109955 171.867076
Comments:

Physical CharacteristicReefton recorded 4.19 in (10.64 cm) of rain in 24 hours.

Heavy RainHeavy Rain at Rewanui
Map Location: -42.375912 171.316415
Comments:

Physical CharacteristicRewanui recorded 7.4 in (18.80 cm) of rain in 24 hours.

Physical CharacteristicRewanui recorded 11.64 in (29.57 cm) of rain in 48 hours.

Heavy RainHeavy Rain at Westport
Map Location: -41.750212 171.582563
Comments:

Physical CharacteristicWestport recorded 3.65 in (9.27 cm) of rain in 24 hours.

CommentThere was heavy rain in the Buller area.

FloodingFlooding
Comments:

ImpactFlooding occurred in the lower-lying parts of Westport.

ImpactBuller River was in high flood and the level was very near the decking of the wharf.

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.

July 1942 West Coast Flooding ( 1942-07-12 )

Extremely heavy rain fell on the West Coast resulting in flooding in Greymouth and Westport areas.

Tasman-Nelson

Heavy RainHeavy Rain at Lake Rotoiti
Map Location: -41.80445 172.8244
Comments:

Physical CharacteristicRotoiti recorded 2.52 in (6.40 cm) of rain in 24 hours.

Heavy RainHeavy Rain at Murchison
Map Location: -41.804373 172.328619
Comments:

Physical CharacteristicMurchison recorded 3.67 in (9.32 cm) of rain in 24 hours.

West Coast

Heavy RainHeavy Rain at West Coast
Comments:

CommentThere was heavy rain on the 12th.

Snow / IceSnow / Ice
Comments:

Affected LifelineThe Midland railway was affected as snow at higher altitudes caused delays.

Heavy RainHeavy Rain at Greymouth
Map Location: -42.451212 171.206779
Comments:

Physical CharacteristicGreymouth recorded 4.65 in (11.81 cm) of rain in 24 hours.

Physical CharacteristicGreymouth recorded 6.31 in (16.03 cm) of rain in 48 hours.

FloodingFlooding
Comments:

Affected LifelineIn Greymouth and the surrounding districts, flooding, numerous slips and washouts blocked roads.

Physical CharacteristicIn Greymouth, the Grey River rose within 3 ft (0.91 m) of the wharf.

ImpactMinor flooding occurred in the lower portions of Greymouth.

Affected LifelineSeveral coalmines were idle due to slips and washouts occurring on the railway line.

Damage CostThe damage to Grey county roads was £1622 ($125,200 2009 dollars).

LandslideLandslide
Comments:

ImpactThere were small slips in the area.

FloodingFlooding at Inangahua
Map Location: -41.859148 171.954076
Comments:

Physical Characteristic9 ft (2.74 m) of water covered the road to Nelson in Inangahua.

Affected LifelineBuller Gorge road was blocked by flood waters and slips.

Damage CostThe damage to the roads in Inangahua county was £1100 ($84,900 2009 dollars).

LandslideLandslide
Comments:

Affected LifelineMany roads in the area were blocked by slips.

Heavy RainHeavy Rain at Karamea
Map Location: -41.245488 172.103638
Comments:

Physical CharacteristicKaramea recorded 3.20 in (8.13 cm) of rain in 24 hours.

Heavy RainHeavy Rain at Millerton
Map Location: -41.63243 171.878
Comments:

Physical CharacteristicMillerton recorded 5.84 in (14.83 cm) of rain in 24 hours.

Heavy RainHeavy Rain at Reefton
Map Location: -42.109955 171.867076
Comments:

Physical CharacteristicReefton recorded 4.19 in (10.64 cm) of rain in 24 hours.

Heavy RainHeavy Rain at Rewanui
Map Location: -42.375912 171.316415
Comments:

Physical CharacteristicRewanui recorded 7.4 in (18.80 cm) of rain in 24 hours.

Physical CharacteristicRewanui recorded 11.64 in (29.57 cm) of rain in 48 hours.

Heavy RainHeavy Rain at Westport
Map Location: -41.750212 171.582563
Comments:

Physical CharacteristicWestport recorded 3.65 in (9.27 cm) of rain in 24 hours.

CommentThere was heavy rain in the Buller area.

FloodingFlooding
Comments:

ImpactFlooding occurred in the lower-lying parts of Westport.

ImpactBuller River was in high flood and the level was very near the decking of the wharf.

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.