NZ Historic Weather Events Catalogue

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ModerateMay 2007 Tasman-Nelson and Taranaki Flooding ( 2007-05-22 )

Flash floods hit New Plymouth and Nelson on the 23rd.

New Zealand

Multi HazardMulti Hazard at New Zealand
Duration:   2  days - From the 22nd to the 23rd of May.
Comments:

CommentFlash floods hit Nelson and New Plymouth on the 23rd.

Insurance ClaimInsurance claims totalled over $1,000,000 for the Nelson and New Plymouth floods.

Taranaki

Heavy RainHeavy Rain at Taranaki
Comments:

CommentThe three hour deluge hit the northern part of Taranaki the hardest.

FloodingFlooding
Comments:

ImpactA number of houses on the banks of Oakura River were subjected to a flash flood.

ImpactJust north of New Plymouth, Waiwakaiho River burst its banks and swamped the Meeting of the Waters reserve.

ImpactThe boarding kennels nearby were cut off and rescuers had to wade through chest-deep water to rescue 20 dogs.

Heavy RainHeavy Rain at New Plymouth
Map Location: -39.051214 174.06972
Comments:

Physical CharacteristicNew Plymouth recorded 36 mm (3.6 cm) of rain on the morning of the 23rd.

FloodingFlooding
Comments:

CommentFlash floods hit New Plymouth on the 23rd.

ImpactNew Plymouth fire crews responded to aroun six call outs, after a heavy downpour 11:00am on the 23rd.

ImpactMany houses suffered flooding after leaf-clogged drains overflowed.

CommentSeveral rivers and streams threatened to break their banks.

Property DamageA ceiling collapsed in a downtown building.

FloodingFlooding at Oakura
Map Location: -39.115805 173.953382
Comments:

Property DamageIn Hall Terrace, in Oakura, a BMW was washed into Oakura River and out to sea.

Heavy RainHeavy Rain at Mount Taranaki
Map Location: -39.295865 174.063806
Comments:

Physical CharacteristicMt Taranaki recorded 68 mm (6.8 cm) of rain.

Heavy RainHeavy Rain at Dawson Falls
Map Location: -39.321582 174.105391
Comments:

Physical CharacteristicDawson Falls recorded 100 mm (10.0 cm) of rain.

Tasman-Nelson

Multi HazardMulti Hazard at Tasman-Nelson
Comments:

CauseA low-pressure frontal system in southern Tasman Sea brought moist northerly air flow onto the Nelson region.

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

Physical CharacteristicNelson recorded 98 mm (9.8 cm) of rain in 24 hours to 9:00am on the 23rd.

Physical CharacteristicNelson recorded 53 mm (5.3 cm) of rain in one hour between 8:00-9:00am on the 23rd.

FloodingFlooding
Comments:

CommentFlash floods hit Nelson on the 23rd.

ImpactNelson fire service attended 70 calls on the morning of the 23rd.

ImpactThere was mainly surface flooding, some of it knee deep.

ImpactA majority of the flooding was affecting low-lying garages and basements.

Affected LifelineSewage pumps stations at Quarantine Road, Parkers Road and Songer Street were overflowing. The downpour overwhelmed the city's sewerage system and some had to be discharged to the sea. Warning was issued advising people not to gather shellfish or swim in Waimea Estuary until further notice.

ImpactOn the morning of the 23rd, flooding was especially bad between Arapiki Road and Saxton Field. An Arapiki Road resident had ankle-deep water pour through his living room. It wa the worst flooding he'd seen in the area for 20 years.

ImpactVolunteer firefighters and additional staff were called in to help clear the backlog of calls about flooded properties.

Affected LifelinePanorama Drive and Marsden Valley Road weret the worst hit by the flood.

Property DamageA Waterhouse Street home suffered extensive damage after chest-deep water flooded into garage. The backyard swimming poool was barely visible beneath the waters.

ImpactDrainage covers above a culvert running beneath Panorama Drive and throughout Stoke were lifted as water pressure built up. Pressure caused parts of road surface in Panorama Drive to bulge and lift.

ImpactWhakatu Drive "looked like a waterfall" in the morning of the 23rd, with cars backed up in surface flooding.

ImpactAt Tahuna Beach Holiday Park, the front entrance, carpark and shop were flooded.

Insurance ClaimAMI Insurance was dealing with 160 insurance claims resulting from the flooding.

DamageSome carpets had to be thrown out because of sewage contamination.

ImpactDue to flooding, New World supermarket was forced to delay opening its doors by a number of hours.

LandslideLandslide
Comments:

ImpactA large slip blocked the entrance to a property near the top of the hill of Panorama Drive, almost covering a parked car.

Affected LifelineThere were a few slips along the roads in the area.

Heavy RainHeavy Rain at Takaka Hill
Map Location: -41.03462 172.85033
Comments:

Physical CharacteristicTakaka Hill recorded 109 mm (10.9 cm) of rain in 24 hours.

CommentThe heaviest fall in Nelson region was at Takaka Hill.

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

Physical CharacteristicTakaka township recorded 96 mm (9.6 cm) of rain in 24 hours.

LightningLightning
Comments:

Affected LifelineLightning was believed to be cause of a major power cut on the night of the 22nd. It left 902 households without power for almost six hours from 5:35pm to 11:30pm.

ImpactThe area affected was from Swamp Road, Takaka to Collingwood township, Bainham, Puponga and the west coast of Golden Bay.

Heavy RainHeavy Rain at Motueka
Map Location: -41.10406 173.020407
Comments:

Physical CharacteristicMotueka recorded 75 mm (7.5 cm) of rain in 24 hours.

Heavy RainHeavy Rain at Stoke
Map Location: -41.31689 173.2333
Comments:

Physical CharacteristicStoke recorded 98 mm (9.8 cm) of rain in 24 hours to 8:50am on the 23rd.

CommentUp to 7-10 mm of rain an hour was recorded at Stoke during the height of the storm.

FloodingFlooding
Comments:

ImpactNayland College, Nayland Primary School and Broadgreen School was closed on the 23rd because of flooding.

ImpactA stream running along Nayland College boundary, usually just a trickle, had burst its banks. Nayland College students were sent home at 10:30am on the 23rd after flooding affected the corridors, school carpark and shower block next to the gym. The roof of the performance art area leaked, causing carpets to become saturated.

ImpactStoke was the hardest hit, with the Fire Service receiving 30-40 calls to pump out water since 7:30am on the 23rd.

ImpactThere was lots of surface flooding in the area.

Damage CostThe cost of flooding in Stoke was around $500,000.

LandslideLandslide
Comments:

Affected LifelineThere were a couple of slips on the Ridgeway road at Stoke.

High Wind GustsHigh Wind / Gust
Comments:

Physical CharacteristicWinds averaged 50 km/hr.

High Wind GustsHigh Wind / Gust at Monaco
Map Location: -41.30425 173.20898
Comments:

Peak Wind SpeedNortheasterly gusts of up to 79 km/hr were recorded at Monaco at 7:00am on the 23rd.

References

NIWA and GNS Science. (2007). Natural Hazards 2007, Insurance, 2007 - an expensive year for the insurance industry, p13.
Headline: Nelson, Taranaki drenched by weather bombs
The Nelson Mail, 23 May 2007.
Headline: Firefighters bail out Nelson homes after deluge.
www.nzherald.co.nz, Source: NZPA, 23 May 2007.
Headline: Flash floods hit Taranaki and Nelson.
www.nzherald.co.nz, Source: NZPA, 23 May 2007.
Headline: Nelson, Taranaki drenched by weather bombs.
www.stuff.co.nz, Source: The Nelson Mail and Taranaki Daily News, 23 May 2007.
Headline: Flood bill under $?m.
www.stuff.co.nz, Source: The Nelson Mail, 29 May 2007.

ModerateMay 2007 Tasman-Nelson and Taranaki Flooding ( 2007-05-22 )

Flash floods hit New Plymouth and Nelson on the 23rd.

New Zealand

Multi HazardMulti Hazard at New Zealand
Duration:   2  days - From the 22nd to the 23rd of May.
Comments:

CommentFlash floods hit Nelson and New Plymouth on the 23rd.

Insurance ClaimInsurance claims totalled over $1,000,000 for the Nelson and New Plymouth floods.

Taranaki

Heavy RainHeavy Rain at Taranaki
Comments:

CommentThe three hour deluge hit the northern part of Taranaki the hardest.

FloodingFlooding
Comments:

ImpactA number of houses on the banks of Oakura River were subjected to a flash flood.

ImpactJust north of New Plymouth, Waiwakaiho River burst its banks and swamped the Meeting of the Waters reserve.

ImpactThe boarding kennels nearby were cut off and rescuers had to wade through chest-deep water to rescue 20 dogs.

Heavy RainHeavy Rain at New Plymouth
Map Location: -39.051214 174.06972
Comments:

Physical CharacteristicNew Plymouth recorded 36 mm (3.6 cm) of rain on the morning of the 23rd.

FloodingFlooding
Comments:

CommentFlash floods hit New Plymouth on the 23rd.

ImpactNew Plymouth fire crews responded to aroun six call outs, after a heavy downpour 11:00am on the 23rd.

ImpactMany houses suffered flooding after leaf-clogged drains overflowed.

CommentSeveral rivers and streams threatened to break their banks.

Property DamageA ceiling collapsed in a downtown building.

FloodingFlooding at Oakura
Map Location: -39.115805 173.953382
Comments:

Property DamageIn Hall Terrace, in Oakura, a BMW was washed into Oakura River and out to sea.

Heavy RainHeavy Rain at Mount Taranaki
Map Location: -39.295865 174.063806
Comments:

Physical CharacteristicMt Taranaki recorded 68 mm (6.8 cm) of rain.

Heavy RainHeavy Rain at Dawson Falls
Map Location: -39.321582 174.105391
Comments:

Physical CharacteristicDawson Falls recorded 100 mm (10.0 cm) of rain.

Tasman-Nelson

Multi HazardMulti Hazard at Tasman-Nelson
Comments:

CauseA low-pressure frontal system in southern Tasman Sea brought moist northerly air flow onto the Nelson region.

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

Physical CharacteristicNelson recorded 98 mm (9.8 cm) of rain in 24 hours to 9:00am on the 23rd.

Physical CharacteristicNelson recorded 53 mm (5.3 cm) of rain in one hour between 8:00-9:00am on the 23rd.

FloodingFlooding
Comments:

CommentFlash floods hit Nelson on the 23rd.

ImpactNelson fire service attended 70 calls on the morning of the 23rd.

ImpactThere was mainly surface flooding, some of it knee deep.

ImpactA majority of the flooding was affecting low-lying garages and basements.

Affected LifelineSewage pumps stations at Quarantine Road, Parkers Road and Songer Street were overflowing. The downpour overwhelmed the city's sewerage system and some had to be discharged to the sea. Warning was issued advising people not to gather shellfish or swim in Waimea Estuary until further notice.

ImpactOn the morning of the 23rd, flooding was especially bad between Arapiki Road and Saxton Field. An Arapiki Road resident had ankle-deep water pour through his living room. It wa the worst flooding he'd seen in the area for 20 years.

ImpactVolunteer firefighters and additional staff were called in to help clear the backlog of calls about flooded properties.

Affected LifelinePanorama Drive and Marsden Valley Road weret the worst hit by the flood.

Property DamageA Waterhouse Street home suffered extensive damage after chest-deep water flooded into garage. The backyard swimming poool was barely visible beneath the waters.

ImpactDrainage covers above a culvert running beneath Panorama Drive and throughout Stoke were lifted as water pressure built up. Pressure caused parts of road surface in Panorama Drive to bulge and lift.

ImpactWhakatu Drive "looked like a waterfall" in the morning of the 23rd, with cars backed up in surface flooding.

ImpactAt Tahuna Beach Holiday Park, the front entrance, carpark and shop were flooded.

Insurance ClaimAMI Insurance was dealing with 160 insurance claims resulting from the flooding.

DamageSome carpets had to be thrown out because of sewage contamination.

ImpactDue to flooding, New World supermarket was forced to delay opening its doors by a number of hours.

LandslideLandslide
Comments:

ImpactA large slip blocked the entrance to a property near the top of the hill of Panorama Drive, almost covering a parked car.

Affected LifelineThere were a few slips along the roads in the area.

Heavy RainHeavy Rain at Takaka Hill
Map Location: -41.03462 172.85033
Comments:

Physical CharacteristicTakaka Hill recorded 109 mm (10.9 cm) of rain in 24 hours.

CommentThe heaviest fall in Nelson region was at Takaka Hill.

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

Physical CharacteristicTakaka township recorded 96 mm (9.6 cm) of rain in 24 hours.

LightningLightning
Comments:

Affected LifelineLightning was believed to be cause of a major power cut on the night of the 22nd. It left 902 households without power for almost six hours from 5:35pm to 11:30pm.

ImpactThe area affected was from Swamp Road, Takaka to Collingwood township, Bainham, Puponga and the west coast of Golden Bay.

Heavy RainHeavy Rain at Motueka
Map Location: -41.10406 173.020407
Comments:

Physical CharacteristicMotueka recorded 75 mm (7.5 cm) of rain in 24 hours.

Heavy RainHeavy Rain at Stoke
Map Location: -41.31689 173.2333
Comments:

Physical CharacteristicStoke recorded 98 mm (9.8 cm) of rain in 24 hours to 8:50am on the 23rd.

CommentUp to 7-10 mm of rain an hour was recorded at Stoke during the height of the storm.

FloodingFlooding
Comments:

ImpactNayland College, Nayland Primary School and Broadgreen School was closed on the 23rd because of flooding.

ImpactA stream running along Nayland College boundary, usually just a trickle, had burst its banks. Nayland College students were sent home at 10:30am on the 23rd after flooding affected the corridors, school carpark and shower block next to the gym. The roof of the performance art area leaked, causing carpets to become saturated.

ImpactStoke was the hardest hit, with the Fire Service receiving 30-40 calls to pump out water since 7:30am on the 23rd.

ImpactThere was lots of surface flooding in the area.

Damage CostThe cost of flooding in Stoke was around $500,000.

LandslideLandslide
Comments:

Affected LifelineThere were a couple of slips on the Ridgeway road at Stoke.

High Wind GustsHigh Wind / Gust
Comments:

Physical CharacteristicWinds averaged 50 km/hr.

High Wind GustsHigh Wind / Gust at Monaco
Map Location: -41.30425 173.20898
Comments:

Peak Wind SpeedNortheasterly gusts of up to 79 km/hr were recorded at Monaco at 7:00am on the 23rd.

References

NIWA and GNS Science. (2007). Natural Hazards 2007, Insurance, 2007 - an expensive year for the insurance industry, p13.
Headline: Nelson, Taranaki drenched by weather bombs
The Nelson Mail, 23 May 2007.
Headline: Firefighters bail out Nelson homes after deluge.
www.nzherald.co.nz, Source: NZPA, 23 May 2007.
Headline: Flash floods hit Taranaki and Nelson.
www.nzherald.co.nz, Source: NZPA, 23 May 2007.
Headline: Nelson, Taranaki drenched by weather bombs.
www.stuff.co.nz, Source: The Nelson Mail and Taranaki Daily News, 23 May 2007.
Headline: Flood bill under $?m.
www.stuff.co.nz, Source: The Nelson Mail, 29 May 2007.