NZ Historic Weather Events Catalogue
April 2000 Bay of Plenty Flooding
(
2000-04-09
)
Heavy rain, flooding and landslips were experienced in parts of Auckland, Waikato, Bay of Plenty and Hawke's Bay. Extreme rainfall in Tauranga caused flooding of homes and businesses. The Coromandel and Wairoa, in Hawke's Bay, were also badly affected.
North Island
Multi Hazard
Duration: 2 days - From the 9th to the 10th of April.
A sub-tropical low moved south over the seas just east of the North Island, bringing lots of moisture in a low level easterly flow. A rare combination of atmospheric elements occurred, in that moist tropical air at low levels combined with the depression at upper levels to produce intense rainfall over a short period.
Heavy Rain
Heavy rainfall occurred throughout eastern Coromandel and Bay of Plenty.
Auckland
Flooding
at
Auckland
Auckland suffered surface flooding on the 9th.
Waikato
Heavy Rain
at
Waikato
Parts of Coromandel were hit hard by rain on the morning of the 9th.
Some places received about 200 mm (20.0 cm) of rain.
Landslide
Slips affected some areas.
Multi Hazard
at
Tairua
Roads around Tairua were reported to have been closed.
Landslide
at
Whangapoua
Slips affected Whangapoua.
Bay of Plenty
Flooding
at
Bay of Plenty
Torrential rain caused flooding in Tauranga and other parts of Bay of Plenty on the night of the 9th.
Multi Hazard
Insurance Industry Payouts for the Tauranga and Eastern Bay of Plenty Floods totalled $1,900,000 ($2,400,000 2008 dollars).
Claims extended across commercial and residential properties.
Landslide
There were many slips throughout the Tauranga district, although most were minor.
Flooding
at
Mount Maunganui
The Mt Maunganui fire brigade received about 90 calls in 2 1/2 hours from people needing help to pump water from homes or businesses.
Water was 15-20 cm deep in some cases.
Water also flooded the fire station.
Heavy Rain
at
Tauranga
Tauranga recorded 173 mm (17.3 cm) of rain in 13 hours.
Tauranga Airport recorded 166 mm (16.6 cm) of rain in eight hours.
Tauranga recorded 152 mm (15.2 cm) of rain in the six hours to 10pm on the 9th.
Tauranga Airport recorded 50.8 mm (5.1 cm) of rain in one hour from 7pm to 8pm on the 9th.
Tauranga District Council recorded 200 mm (20.0 cm) of rain within a 12-hour period.
The rain rate surpassed that expected in a 'normal torrential tropical downpour'.
More rain fell on the night of the 9th than Tauranga would normally receive in a month at this time of year.
The rainfall was considered a 100-year event.
The rain had eased by high tide at 11pm, but the runoff was still substantial.
Flooding
Severe surface flooding occurred in parts of the city on the 9th. Most affected by the flooding were The Avenues, Otumoetai, Ohautiti, Maungatapu and Mt Manganui.
Several homes and properties were flooded.
Roads were treacherous and motorists slowed to a crawl in many places. The water was so deep in Fraser Street, near Memorial Park, that cars started to float. Heavy traffic crossing Tauranga Harbour Bridge encountered deep water on Hewletts Road.
Several shops and restaurants reported surface flooding seeping through their doors.
The Fire Service was swamped with calls.
Water from a flooded stream poured into a swimwear factory in in front of it. Dirty silt and mud in the water destroyed rolls of fabric, and completed and part completed garments. The damage to the factory was estimated at $100,000 ($130,000 2008 dollars).
The factory was flooded with about 20 cm of water, with water marks up to 30cm up the wall of some buildings.
One house had every single electrical appliance flooded, as well as a car.
Some houses were swamped with up to 350 mm (35 cm) of water.
Sewage back flowed into two houses and all carpets had to be removed and dumped.
Widespread flooding left silt and debris in its wake.
A minimal amount of raw sewage went into the harbour.
Council staff fielded 140 calls during the night of the 9th, with many more in the morning.
Hawke's Bay
Heavy Rain
at
Hawke's Bay
South of Wairoa, over 100 mm (10.0 cm) of rain fell in 24 hours.
Flooding
at
Wairoa
Flooding occurred in Wairoa
Wairoa was badly affected.
A Civil Defence Emergency was nearly declared on the 10th.
References
- Headline: Claims set to top $1/2m after flood.
- The Bay of Plenty Times, 11 April 2000.
- Headline: Mother's life devastated by flood.
- The Bay of Plenty Times, 11 April 2000.
- Headline: Swimwear factory awash with debris.
- The Bay of Plenty Times, 11 April 2000.
- Insurance Councils. The Cost of Weather Loses, Claims history (Updated 2004).
- Major weather events in New Zealand, Floods and High Rainfall, Floods to 30 Sep 2005.
- Meteorological Society of New Zealand (Inc.) Newsletter 81, June 2000.
- Headline: Downpour sends cars floating down streets.
- www.nzherald.co.nz, 10 April 2000.
- Headline: Tauranga downpour judged as 'bad luck'.
- www.nzherald.co.nz, 11 April 2000, 12:00am.
April 2000 Bay of Plenty Flooding
(
2000-04-09
)
Heavy rain, flooding and landslips were experienced in parts of Auckland, Waikato, Bay of Plenty and Hawke's Bay. Extreme rainfall in Tauranga caused flooding of homes and businesses. The Coromandel and Wairoa, in Hawke's Bay, were also badly affected.
North Island
Multi Hazard
Duration: 2 days - From the 9th to the 10th of April.
A sub-tropical low moved south over the seas just east of the North Island, bringing lots of moisture in a low level easterly flow. A rare combination of atmospheric elements occurred, in that moist tropical air at low levels combined with the depression at upper levels to produce intense rainfall over a short period.
Heavy Rain
Heavy rainfall occurred throughout eastern Coromandel and Bay of Plenty.
Auckland
Flooding
at
Auckland
Auckland suffered surface flooding on the 9th.
Waikato
Heavy Rain
at
Waikato
Parts of Coromandel were hit hard by rain on the morning of the 9th.
Some places received about 200 mm (20.0 cm) of rain.
Landslide
Slips affected some areas.
Multi Hazard
at
Tairua
Roads around Tairua were reported to have been closed.
Landslide
at
Whangapoua
Slips affected Whangapoua.
Bay of Plenty
Flooding
at
Bay of Plenty
Torrential rain caused flooding in Tauranga and other parts of Bay of Plenty on the night of the 9th.
Multi Hazard
Insurance Industry Payouts for the Tauranga and Eastern Bay of Plenty Floods totalled $1,900,000 ($2,400,000 2008 dollars).
Claims extended across commercial and residential properties.
Landslide
There were many slips throughout the Tauranga district, although most were minor.
Flooding
at
Mount Maunganui
The Mt Maunganui fire brigade received about 90 calls in 2 1/2 hours from people needing help to pump water from homes or businesses.
Water was 15-20 cm deep in some cases.
Water also flooded the fire station.
Heavy Rain
at
Tauranga
Tauranga recorded 173 mm (17.3 cm) of rain in 13 hours.
Tauranga Airport recorded 166 mm (16.6 cm) of rain in eight hours.
Tauranga recorded 152 mm (15.2 cm) of rain in the six hours to 10pm on the 9th.
Tauranga Airport recorded 50.8 mm (5.1 cm) of rain in one hour from 7pm to 8pm on the 9th.
Tauranga District Council recorded 200 mm (20.0 cm) of rain within a 12-hour period.
The rain rate surpassed that expected in a 'normal torrential tropical downpour'.
More rain fell on the night of the 9th than Tauranga would normally receive in a month at this time of year.
The rainfall was considered a 100-year event.
The rain had eased by high tide at 11pm, but the runoff was still substantial.
Flooding
Severe surface flooding occurred in parts of the city on the 9th. Most affected by the flooding were The Avenues, Otumoetai, Ohautiti, Maungatapu and Mt Manganui.
Several homes and properties were flooded.
Roads were treacherous and motorists slowed to a crawl in many places. The water was so deep in Fraser Street, near Memorial Park, that cars started to float. Heavy traffic crossing Tauranga Harbour Bridge encountered deep water on Hewletts Road.
Several shops and restaurants reported surface flooding seeping through their doors.
The Fire Service was swamped with calls.
Water from a flooded stream poured into a swimwear factory in in front of it. Dirty silt and mud in the water destroyed rolls of fabric, and completed and part completed garments. The damage to the factory was estimated at $100,000 ($130,000 2008 dollars).
The factory was flooded with about 20 cm of water, with water marks up to 30cm up the wall of some buildings.
One house had every single electrical appliance flooded, as well as a car.
Some houses were swamped with up to 350 mm (35 cm) of water.
Sewage back flowed into two houses and all carpets had to be removed and dumped.
Widespread flooding left silt and debris in its wake.
A minimal amount of raw sewage went into the harbour.
Council staff fielded 140 calls during the night of the 9th, with many more in the morning.
Hawke's Bay
Heavy Rain
at
Hawke's Bay
South of Wairoa, over 100 mm (10.0 cm) of rain fell in 24 hours.
Flooding
at
Wairoa
Flooding occurred in Wairoa
Wairoa was badly affected.
A Civil Defence Emergency was nearly declared on the 10th.
References
- Headline: Claims set to top $1/2m after flood.
- The Bay of Plenty Times, 11 April 2000.
- Headline: Mother's life devastated by flood.
- The Bay of Plenty Times, 11 April 2000.
- Headline: Swimwear factory awash with debris.
- The Bay of Plenty Times, 11 April 2000.
- Insurance Councils. The Cost of Weather Loses, Claims history (Updated 2004).
- Major weather events in New Zealand, Floods and High Rainfall, Floods to 30 Sep 2005.
- Meteorological Society of New Zealand (Inc.) Newsletter 81, June 2000.
- Headline: Downpour sends cars floating down streets.
- www.nzherald.co.nz, 10 April 2000.
- Headline: Tauranga downpour judged as 'bad luck'.
- www.nzherald.co.nz, 11 April 2000, 12:00am.