NZ Historic Weather Events Catalog

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April 2013 Upper North Island and Nelson Storm ( 2013-04-19 )

Clashes of cold southeasterly and warm northerly airmasses, from a large and complex low pressure system in the Tasman Sea, brought wet and unsettled weather to many areas of New Zealand. The worst weather during this period were very heavy rainfalls in the western Bay of Plenty on the 20th and in the Nelson region on the 21st.

New Zealand

Multi HazardMulti Hazard at New Zealand
Duration:   5  days - The period of unsettled weather in the upper North Island and Nelson lasted for 5 days.
Comments:

Insurance ClaimInsurance claims totalled $46.2 million.

Bay of Plenty

LandslideLandslide at Tauranga
Map Location: -37.679532 176.173022
Comments:

Evacuees A family had to evacuate their Otumoetai home after a major slip washed away part of the property. Several metres of lawn gave way, leaving their house precariously close to the edge.

FloodingFlooding at Tauranga
Map Location: -37.679532 176.173022
Comments:

Comment Homes were flooded across Tauranga city and Mount Maunganui, and heavy rain sparked evacuations. A woman had to be rescued from a stranded and partly submerged car.

CommentThere were 357 flooding related calls to the city council on Saturday 20 April, and 76 on Sunday 21 April.

Comment In the catchment areas around Tauranga harbour there were many reports of stream blockages where fallen trees and branches were clogging up water ways.

Multi HazardMulti Hazard at Waihi Beach
Map Location: -37.40049 175.94134
Comments:

CommentA flash flood swept through the town causing widespread damage and forcing dozens of evacuations.

CommentThe flood moved several cabins from their foundations at the Waihi Beach Resort. About 70 people were evacuated from the Waihi Beach Resort.

CommentThe flooding washed out a part of Waihi Beach Road.

Tasman-Nelson

Multi HazardMulti Hazard at Tasman-Nelson
Comments:

Comment The Nelson-Tasman Region Civil Defence and Emergency Management Group Emergency estimated at least 90 homes in the Tasman District had been flooded.

Comment Slips on the Takaka hill closed that stretch of State Highway 60.

FloodingFlooding at Stoke
Map Location: -41.31689 173.2333
Comments:

Comment There was serious damage to the roads and paths within the Saxton Field sports complex, forcing its closure for at least a week.

Comment The worst affected area within the Nelson region was along Orphanage Creek in Stoke, with many shops suffering stock damage and roads covered in mud.

FloodingFlooding at Richmond
Map Location: -41.338974 173.165031
Comments:

Comment Police evacuated a number of residents from the Stillwater Gardens rest home to the Richmond police station before they were moved to another wing at the rest home.

Comment 113mm of rainfall was recorded in 90 minutes at the Tasman District Council office in Richmond on April 20.

Comment The Pak n Save at Richmond was shut because of the deluge.

Waikato

Multi HazardMulti Hazard at Waikato
Comments:

CommentCoastal properties were among the worst hit as severe thunderstorms buffeted the Waikato and upper North Island, leading to widespread surface flooding, damaging winds and heavy rain.

TornadoTornado at Raglan
Map Location: -37.796839 174.864895
Comments:

CommentA suspected tornado ripped through the Raglan community on April 20, hurling garden furniture through the air, blowing out windows and uprooting a tree.

FloodingFlooding at Hamilton
Map Location: -37.780816 175.272836
Comments:

Comment Flash flooding left cars trapped in several Hamilton suburbs as 31mm of rain fell in just three hours on April 20. The Hamilton City Council had to call contractors to unblock rains and reduce flooding.

References

Insurance Council of New Zealand (www.icnz.org.nz/current/weather)
Headline: Family on edge after slip
www.nzherald.co.nz, 22 April 2013
Headline: Bay landowners offered help to fix flood damage
www.nzherald.co.nz, 24 April 2013
Headline: Weather bomb causes heavy flooding; Record deluge causes chaos in Richmond, Stoke
www.stuff.co.nz, 21 April 2013.
Headline: Storms cause widespread flooding
www.stuff.co.nz, 22 April 2013.
Headline: Flooding after heavy rain sweeps BoP
www.stuff.co.nz, 24 April 2013.
Headline: Waikato's wild weekend of weather wreaks havoc
www.stuff.co.nz, 21 April 2013.

April 2013 Upper North Island and Nelson Storm ( 2013-04-19 )

Clashes of cold southeasterly and warm northerly airmasses, from a large and complex low pressure system in the Tasman Sea, brought wet and unsettled weather to many areas of New Zealand. The worst weather during this period were very heavy rainfalls in the western Bay of Plenty on the 20th and in the Nelson region on the 21st.

New Zealand

Multi HazardMulti Hazard at New Zealand
Duration:   5  days - The period of unsettled weather in the upper North Island and Nelson lasted for 5 days.
Comments:

Insurance ClaimInsurance claims totalled $46.2 million.

Bay of Plenty

LandslideLandslide at Tauranga
Map Location: -37.679532 176.173022
Comments:

Evacuees A family had to evacuate their Otumoetai home after a major slip washed away part of the property. Several metres of lawn gave way, leaving their house precariously close to the edge.

FloodingFlooding at Tauranga
Map Location: -37.679532 176.173022
Comments:

Comment Homes were flooded across Tauranga city and Mount Maunganui, and heavy rain sparked evacuations. A woman had to be rescued from a stranded and partly submerged car.

CommentThere were 357 flooding related calls to the city council on Saturday 20 April, and 76 on Sunday 21 April.

Comment In the catchment areas around Tauranga harbour there were many reports of stream blockages where fallen trees and branches were clogging up water ways.

Multi HazardMulti Hazard at Waihi Beach
Map Location: -37.40049 175.94134
Comments:

CommentA flash flood swept through the town causing widespread damage and forcing dozens of evacuations.

CommentThe flood moved several cabins from their foundations at the Waihi Beach Resort. About 70 people were evacuated from the Waihi Beach Resort.

CommentThe flooding washed out a part of Waihi Beach Road.

Tasman-Nelson

Multi HazardMulti Hazard at Tasman-Nelson
Comments:

Comment The Nelson-Tasman Region Civil Defence and Emergency Management Group Emergency estimated at least 90 homes in the Tasman District had been flooded.

Comment Slips on the Takaka hill closed that stretch of State Highway 60.

FloodingFlooding at Stoke
Map Location: -41.31689 173.2333
Comments:

Comment There was serious damage to the roads and paths within the Saxton Field sports complex, forcing its closure for at least a week.

Comment The worst affected area within the Nelson region was along Orphanage Creek in Stoke, with many shops suffering stock damage and roads covered in mud.

FloodingFlooding at Richmond
Map Location: -41.338974 173.165031
Comments:

Comment Police evacuated a number of residents from the Stillwater Gardens rest home to the Richmond police station before they were moved to another wing at the rest home.

Comment 113mm of rainfall was recorded in 90 minutes at the Tasman District Council office in Richmond on April 20.

Comment The Pak n Save at Richmond was shut because of the deluge.

Waikato

Multi HazardMulti Hazard at Waikato
Comments:

CommentCoastal properties were among the worst hit as severe thunderstorms buffeted the Waikato and upper North Island, leading to widespread surface flooding, damaging winds and heavy rain.

TornadoTornado at Raglan
Map Location: -37.796839 174.864895
Comments:

CommentA suspected tornado ripped through the Raglan community on April 20, hurling garden furniture through the air, blowing out windows and uprooting a tree.

FloodingFlooding at Hamilton
Map Location: -37.780816 175.272836
Comments:

Comment Flash flooding left cars trapped in several Hamilton suburbs as 31mm of rain fell in just three hours on April 20. The Hamilton City Council had to call contractors to unblock rains and reduce flooding.

References

Insurance Council of New Zealand (www.icnz.org.nz/current/weather)
Headline: Family on edge after slip
www.nzherald.co.nz, 22 April 2013
Headline: Bay landowners offered help to fix flood damage
www.nzherald.co.nz, 24 April 2013
Headline: Weather bomb causes heavy flooding; Record deluge causes chaos in Richmond, Stoke
www.stuff.co.nz, 21 April 2013.
Headline: Storms cause widespread flooding
www.stuff.co.nz, 22 April 2013.
Headline: Flooding after heavy rain sweeps BoP
www.stuff.co.nz, 24 April 2013.
Headline: Waikato's wild weekend of weather wreaks havoc
www.stuff.co.nz, 21 April 2013.