NZ Historic Weather Events Catalogue

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February 1949 Upper South Island Flooding ( 1949-02-22 )

Tasman-Nelson and Marlborough experienced heavy rain and high winds. West Coast experienced severe flooding in the Buller and the Grey River which lead to heavy stock losses.

South Island

Multi HazardMulti Hazard at South Island
Duration:   2  days - From the 22nd to the 23rd of February.
Comments:

Tasman-Nelson

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

Physical CharacteristicMurchison recorded 2.19 in (5.56 cm) of rain in 24 hours.

FloodingFlooding
Comments:

Damage CostDamage to Murchison county roads totalled £1530 ($99,720 2009 dollars).

Heavy RainHeavy Rain at Nelson City
Map Location: -41.268476 173.297338
Comments:

CommentHeavy rain fell in Nelson with rainfall ending at 9.30am on the 23rd.

Physical CharacteristicCawthron Institute in Nelson recorded 1.27 in (3.23 cm) of rain in 24 hours.

Physical CharacteristicNelson recorded 99 points (2.51 cm) of rain in 24 hours.

High Wind GustsHigh Wind / Gust
Comments:

Physical CharacteristicRain was accompained by northeasterly wind with gusts up to 50 mph (80.45 km/hr).

Heavy RainHeavy Rain at Takaka
Map Location: -40.854005 172.800335
Comments:

Physical CharacteristicTakaka recorded 4.71 in (11.96 cm) of rain in 24 hours.

Marlborough

Multi HazardMulti Hazard at Marlborough
Comments:

CommentHeavy rain and a strong north-west wind hit Marlborough on the 22nd.

FloodingFlooding
Comments:

Affected LifelineThe state highway between Nelson and Blenheim was blocked.

Damage CostThe Blenheim-Christchurch State Highway suffered damage worth £1250 ($81,470 2009 dollars).

CommentPelorus and Wakamarina rivers were in high flood.

LandslideLandslide
Comments:

Affected LifelineLewis Pass route between Nelson and Canterbury was closed due to slips.

Heavy RainHeavy Rain at Blenheim
Map Location: -41.517124 173.949021
Comments:

Physical CharacteristicBlenheim recorded 0.47 in (1.19 cm) of rain in 48 hours.

Heavy RainHeavy Rain at Havelock
Map Location: -41.278554 173.755773
Comments:

Physical CharacteristicHavelock recorded 4.45 in (11.30 cm) of rain in 12 hours.

Heavy RainHeavy Rain at Rai Valley and Canvastown
Comments:

Physical CharacteristicRai Valley recorded 5.30 in (13.46 cm) of rain in 12 hours.

FloodingFlooding
Comments:

ImpactThere was heavy flooding to Rai Valley and Canvastown.

Stock DamageThere were some stock losses reported.

Affected LifelineRoad damage occurred.

ImpactSeveral houses were invaded by floodwaters.

Affected LifelineThe road at Morrin's Hollow was blocked by floodwaters.

ImpactThere was surface flooding in the area.

ImpactSchool was closed

Physical CharacteristicWater to a depth of 4.5 ft (1.37 m) was over the state highway in Canvastown.

High Wind GustsHigh Wind / Gust
Comments:

DamageSome sheds lost their roofs overnight.

FloodingFlooding at Wairau River
Map Location: -41.484059 173.79526
Comments:

ImpactWairau River rose in the high country after heavy rain.

West Coast

Heavy RainHeavy Rain at West Coast
Comments:

CommentThere was heavy rain over the West Coast on the 23rd.

Physical CharacteristicRainfalls in back country of Grey Valley ranged from 2-9 in (5.08-22.86 cm) of rain in 24 hours.

LandslideLandslide
Comments:

Affected LifelineOtira Gorge, Buller Gorge, Lewis Pass, and the main south road at Wataroa were all blocked by slips.

Heavy RainHeavy Rain at Buller River
Map Location: -41.83432 171.68813
Comments:

Physical CharacteristicBuller Gorge recorded 6.28 in (15.95 cm) of rain in 24 hours.

FloodingFlooding
Comments:

ImpactThere was general flooding throughout the Buller district.

CommentAll rivers were swollen.

CommentBuller River was rising to level approaching that of the flood of 1926.

Affected LifelineRoads were flooded at several places.

FloodingFlooding at Coal Creek
Map Location: -42.438373 171.278866
Comments:

ImpactThere were large areas inundated at Coal Creek.

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

Physical CharacteristicGreymouth recorded 1.9 in (4.83 cm) of rain in 24 hours.

FloodingFlooding
Comments:

Physical CharacteristicGrey River was in heavy flood and came within 2 ft (0.61 m) of crossing the wharf.

ImpactThere was flooding in Greymouth and the river flooded properties in Grey Valley.

Stock DamageThere were heavy stock losses.

ImpactCobden Island was almost completely underwater.

Stock DamageFive cattle were swept down Grey River.

Affected LifelineLow-lying streets were flooded.

FloodingFlooding at Hokitika
Map Location: -42.717176 170.960959
Comments:

Affected LifelineHokitika River rose and floodwater backed up the streets.

FloodingFlooding at Karamea
Map Location: -41.245488 172.103638
Comments:

DamageConsiderable damage was done at Karamea.

FloodingFlooding at Mokihinui
Map Location: -41.524951 171.936199
Comments:

ImpactThe most serious flooding was at Mokihinui. The river swept through the township and entered nearly every house, farm and building.

Physical CharacteristicIn the hotel floodwaters were one foot (0.30 m) deep.

Heavy RainHeavy Rain at Otira
Map Location: -42.828956 171.557257
Comments:

Physical CharacteristicOtira recorded 9.00 in (22.86 cm) of rain in 24 hours.

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

Physical CharacteristicReefton recorded 2.87 in (7.29 cm) of rain in 24 hours.

Heavy RainHeavy Rain at Stockton
Map Location: -41.629902 171.895448
Comments:

Physical CharacteristicStockton recorded 8.66 in (22.00 cm) of rain in 14 hours.

FloodingFlooding at Taramakau
Map Location: -42.6852 171.24271
Comments:

Stock DamageOne farmer at Taramakau lost 2000 sheep.

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

Physical CharacteristicWestport recorded 1.5 in (3.81 cm) of rain in 12 hours.

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.
Headline: Downpour at Rai.
The Nelson Evening Mail, 23 February 1949.
Headline: Nelson district receivces good soaking.
The Nelson Evening Mail, 23 February 1949.
Headline: Floods subside, Traffic delayed yesterday.
The Nelson Evening Mail, 24 February 1949.

February 1949 Upper South Island Flooding ( 1949-02-22 )

Tasman-Nelson and Marlborough experienced heavy rain and high winds. West Coast experienced severe flooding in the Buller and the Grey River which lead to heavy stock losses.

South Island

Multi HazardMulti Hazard at South Island
Duration:   2  days - From the 22nd to the 23rd of February.
Comments:

Tasman-Nelson

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

Physical CharacteristicMurchison recorded 2.19 in (5.56 cm) of rain in 24 hours.

FloodingFlooding
Comments:

Damage CostDamage to Murchison county roads totalled £1530 ($99,720 2009 dollars).

Heavy RainHeavy Rain at Nelson City
Map Location: -41.268476 173.297338
Comments:

CommentHeavy rain fell in Nelson with rainfall ending at 9.30am on the 23rd.

Physical CharacteristicCawthron Institute in Nelson recorded 1.27 in (3.23 cm) of rain in 24 hours.

Physical CharacteristicNelson recorded 99 points (2.51 cm) of rain in 24 hours.

High Wind GustsHigh Wind / Gust
Comments:

Physical CharacteristicRain was accompained by northeasterly wind with gusts up to 50 mph (80.45 km/hr).

Heavy RainHeavy Rain at Takaka
Map Location: -40.854005 172.800335
Comments:

Physical CharacteristicTakaka recorded 4.71 in (11.96 cm) of rain in 24 hours.

Marlborough

Multi HazardMulti Hazard at Marlborough
Comments:

CommentHeavy rain and a strong north-west wind hit Marlborough on the 22nd.

FloodingFlooding
Comments:

Affected LifelineThe state highway between Nelson and Blenheim was blocked.

Damage CostThe Blenheim-Christchurch State Highway suffered damage worth £1250 ($81,470 2009 dollars).

CommentPelorus and Wakamarina rivers were in high flood.

LandslideLandslide
Comments:

Affected LifelineLewis Pass route between Nelson and Canterbury was closed due to slips.

Heavy RainHeavy Rain at Blenheim
Map Location: -41.517124 173.949021
Comments:

Physical CharacteristicBlenheim recorded 0.47 in (1.19 cm) of rain in 48 hours.

Heavy RainHeavy Rain at Havelock
Map Location: -41.278554 173.755773
Comments:

Physical CharacteristicHavelock recorded 4.45 in (11.30 cm) of rain in 12 hours.

Heavy RainHeavy Rain at Rai Valley and Canvastown
Comments:

Physical CharacteristicRai Valley recorded 5.30 in (13.46 cm) of rain in 12 hours.

FloodingFlooding
Comments:

ImpactThere was heavy flooding to Rai Valley and Canvastown.

Stock DamageThere were some stock losses reported.

Affected LifelineRoad damage occurred.

ImpactSeveral houses were invaded by floodwaters.

Affected LifelineThe road at Morrin's Hollow was blocked by floodwaters.

ImpactThere was surface flooding in the area.

ImpactSchool was closed

Physical CharacteristicWater to a depth of 4.5 ft (1.37 m) was over the state highway in Canvastown.

High Wind GustsHigh Wind / Gust
Comments:

DamageSome sheds lost their roofs overnight.

FloodingFlooding at Wairau River
Map Location: -41.484059 173.79526
Comments:

ImpactWairau River rose in the high country after heavy rain.

West Coast

Heavy RainHeavy Rain at West Coast
Comments:

CommentThere was heavy rain over the West Coast on the 23rd.

Physical CharacteristicRainfalls in back country of Grey Valley ranged from 2-9 in (5.08-22.86 cm) of rain in 24 hours.

LandslideLandslide
Comments:

Affected LifelineOtira Gorge, Buller Gorge, Lewis Pass, and the main south road at Wataroa were all blocked by slips.

Heavy RainHeavy Rain at Buller River
Map Location: -41.83432 171.68813
Comments:

Physical CharacteristicBuller Gorge recorded 6.28 in (15.95 cm) of rain in 24 hours.

FloodingFlooding
Comments:

ImpactThere was general flooding throughout the Buller district.

CommentAll rivers were swollen.

CommentBuller River was rising to level approaching that of the flood of 1926.

Affected LifelineRoads were flooded at several places.

FloodingFlooding at Coal Creek
Map Location: -42.438373 171.278866
Comments:

ImpactThere were large areas inundated at Coal Creek.

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

Physical CharacteristicGreymouth recorded 1.9 in (4.83 cm) of rain in 24 hours.

FloodingFlooding
Comments:

Physical CharacteristicGrey River was in heavy flood and came within 2 ft (0.61 m) of crossing the wharf.

ImpactThere was flooding in Greymouth and the river flooded properties in Grey Valley.

Stock DamageThere were heavy stock losses.

ImpactCobden Island was almost completely underwater.

Stock DamageFive cattle were swept down Grey River.

Affected LifelineLow-lying streets were flooded.

FloodingFlooding at Hokitika
Map Location: -42.717176 170.960959
Comments:

Affected LifelineHokitika River rose and floodwater backed up the streets.

FloodingFlooding at Karamea
Map Location: -41.245488 172.103638
Comments:

DamageConsiderable damage was done at Karamea.

FloodingFlooding at Mokihinui
Map Location: -41.524951 171.936199
Comments:

ImpactThe most serious flooding was at Mokihinui. The river swept through the township and entered nearly every house, farm and building.

Physical CharacteristicIn the hotel floodwaters were one foot (0.30 m) deep.

Heavy RainHeavy Rain at Otira
Map Location: -42.828956 171.557257
Comments:

Physical CharacteristicOtira recorded 9.00 in (22.86 cm) of rain in 24 hours.

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

Physical CharacteristicReefton recorded 2.87 in (7.29 cm) of rain in 24 hours.

Heavy RainHeavy Rain at Stockton
Map Location: -41.629902 171.895448
Comments:

Physical CharacteristicStockton recorded 8.66 in (22.00 cm) of rain in 14 hours.

FloodingFlooding at Taramakau
Map Location: -42.6852 171.24271
Comments:

Stock DamageOne farmer at Taramakau lost 2000 sheep.

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

Physical CharacteristicWestport recorded 1.5 in (3.81 cm) of rain in 12 hours.

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.
Headline: Downpour at Rai.
The Nelson Evening Mail, 23 February 1949.
Headline: Nelson district receivces good soaking.
The Nelson Evening Mail, 23 February 1949.
Headline: Floods subside, Traffic delayed yesterday.
The Nelson Evening Mail, 24 February 1949.