NZ Historic Weather Events Catalogue
November 2011 West Coast Flooding and North Island Winds
(
2011-11-21
)
Heavy rain brought flooding to the West Coast. There were also very high winds in Wellington and the Wairarapa.
New Zealand
Multi Hazard
at
New Zealand
Duration: 1 day - 21 November 2011
A front moved over central South Island and across North Island. Preceded by moist northwest flow and follwed by moist southeast flow.
West Coast
Heavy Rain
at
Grey River Catchment
Over 25.5 cm of rain was recorded from 4:30 pm Sunday 20th to 9:30 am Monday 21st in the Grey River catchment. A further 3.2 cm was recorded from 9:30 am to 6:00 pm on the 21st.
Flooding
at
West Coast
Sections of State Highway 6 and State Highway 7 on the West Coast were closed due to flooding and slips. People were trapped in their cars by the flood water.
Many farms were flooded, and stock were killed. A farmer almost drowned near Coal Creek while trying to rescue sheep in a flooded paddock. Helicopters were brought in to rescue hundreds of cattle on West Coast properties.
Flooding
at
Ahaura River
The Ahaura River at the Gorge recorded a peak level of 8.7 m on the 21st; the highest ever recorded there.
Flooding
at
Dobson
The Grey River at Dobson recorded a peak level of 6.8 m on the 21st (Return Period approximately 15 years).
Flooding
at
Waipuna
The Grey River at Waipuna recorded a peak level of 6.0 m on the 21st (Return Period approximately 34 years).
Flooding
at
Arthurs Pass
Arthurs Pass closed due to flooding/slips on 21st.
Flooding
at
Lewis Pass
Lewis Pass closed due to flooding/slips on 21st.
Flooding
at
Totara Flat
A woman and her baby were rescued from her car which was stranded by the flood water.
Flooding
at
Ikamatua
Cars became trapped as the Grey River overflowed at Ikamatua
Flooding
at
Greymouth
Omoto Racecourse, Wingham Park, Kaiata golf links and Greenstone Park Speedway were flooded.
Wellington
High Wind / Gust
at
Kelburn
High winds disrupted East by West ferries, aircraft flights, damaged homes, and brought down trees.
High Wind / Gust
at
Wellington International Airport
High winds disrupted aircraft flights.
High Wind / Gust
at
Greytown
An elderly couple were injured by a falling tree branch. They were taken to Wairarapa Hospital.
High Wind / Gust
at
Wellington
Windows were blown in and foofs lifted.
High Wind / Gust
at
Wainuiomata
Strong winds uprooted a large tree which fell onto a neighbouring house.
Manawatu-Wanganui
High Wind / Gust
at
Palmerston North
A truck and trailer unit was blown off the road near Palmerston North.
Auckland
High Wind / Gust
at
Auckland City
Commuters were warned to take care crossing the Harbour Bridge. Wind gusts reached 80 km/hr.
References
- Headline: Rain, wind, flooding hits both islands.
- tvnz.co.nz, Source: ONE News, 21 November 2011, 10:15am.
- Headline: Storm hammered South Island wakes up to clean up.
- tvnz.co.nz, Source: ONE News, 22 November 2011, 5:56am.
- Headline: 250 ml of rain for West Coast in 24 hours.
- 3news.co.nz, Source: 3 News, 21 November 2011, 6:11pm.
- Headline: Windy Welly lives up to reputation.
- 3news.co.nz, Source: 3 News, 21 November 2011, 6:17pm.
- Headline: Flooding in West Coast eases overnight.
- 3news.co.nz, Source: 3 News, 22 November 2011, 6:15pm.
- Headline: Medical staff stranded with Coast floods.
- nzDoctor.co.nz, 22 November 2011,2:14pm.
- Headline: Couple crushed in weather chaos.
- www.nzherald.co.nz, Source: APNZ, 22 November 2011, 5:30am.
- Headline: Woman and baby rescued in West Coast flooding.
- www.stuff.co.nz, 21 November 2011, 10:14pm.
- Headline: West Coast flooding strands residents.
- www.stuff.co.nz, 22 November 2011, 8:26am.
- Headline: High winds batter Wellington region.
- www.stuff.co.nz, Source: Dominion Post, 21 November 2011, 4:21am.
November 2011 West Coast Flooding and North Island Winds
(
2011-11-21
)
Heavy rain brought flooding to the West Coast. There were also very high winds in Wellington and the Wairarapa.
New Zealand
Multi Hazard
at
New Zealand
Duration: 1 day - 21 November 2011
A front moved over central South Island and across North Island. Preceded by moist northwest flow and follwed by moist southeast flow.
West Coast
Heavy Rain
at
Grey River Catchment
Over 25.5 cm of rain was recorded from 4:30 pm Sunday 20th to 9:30 am Monday 21st in the Grey River catchment. A further 3.2 cm was recorded from 9:30 am to 6:00 pm on the 21st.
Flooding
at
West Coast
Sections of State Highway 6 and State Highway 7 on the West Coast were closed due to flooding and slips. People were trapped in their cars by the flood water.
Many farms were flooded, and stock were killed. A farmer almost drowned near Coal Creek while trying to rescue sheep in a flooded paddock. Helicopters were brought in to rescue hundreds of cattle on West Coast properties.
Flooding
at
Ahaura River
The Ahaura River at the Gorge recorded a peak level of 8.7 m on the 21st; the highest ever recorded there.
Flooding
at
Dobson
The Grey River at Dobson recorded a peak level of 6.8 m on the 21st (Return Period approximately 15 years).
Flooding
at
Waipuna
The Grey River at Waipuna recorded a peak level of 6.0 m on the 21st (Return Period approximately 34 years).
Flooding
at
Arthurs Pass
Arthurs Pass closed due to flooding/slips on 21st.
Flooding
at
Lewis Pass
Lewis Pass closed due to flooding/slips on 21st.
Flooding
at
Totara Flat
A woman and her baby were rescued from her car which was stranded by the flood water.
Flooding
at
Ikamatua
Cars became trapped as the Grey River overflowed at Ikamatua
Flooding
at
Greymouth
Omoto Racecourse, Wingham Park, Kaiata golf links and Greenstone Park Speedway were flooded.
Wellington
High Wind / Gust
at
Kelburn
High winds disrupted East by West ferries, aircraft flights, damaged homes, and brought down trees.
High Wind / Gust
at
Wellington International Airport
High winds disrupted aircraft flights.
High Wind / Gust
at
Greytown
An elderly couple were injured by a falling tree branch. They were taken to Wairarapa Hospital.
High Wind / Gust
at
Wellington
Windows were blown in and foofs lifted.
High Wind / Gust
at
Wainuiomata
Strong winds uprooted a large tree which fell onto a neighbouring house.
Manawatu-Wanganui
High Wind / Gust
at
Palmerston North
A truck and trailer unit was blown off the road near Palmerston North.
Auckland
High Wind / Gust
at
Auckland City
Commuters were warned to take care crossing the Harbour Bridge. Wind gusts reached 80 km/hr.
References
- Headline: Rain, wind, flooding hits both islands.
- tvnz.co.nz, Source: ONE News, 21 November 2011, 10:15am.
- Headline: Storm hammered South Island wakes up to clean up.
- tvnz.co.nz, Source: ONE News, 22 November 2011, 5:56am.
- Headline: 250 ml of rain for West Coast in 24 hours.
- 3news.co.nz, Source: 3 News, 21 November 2011, 6:11pm.
- Headline: Windy Welly lives up to reputation.
- 3news.co.nz, Source: 3 News, 21 November 2011, 6:17pm.
- Headline: Flooding in West Coast eases overnight.
- 3news.co.nz, Source: 3 News, 22 November 2011, 6:15pm.
- Headline: Medical staff stranded with Coast floods.
- nzDoctor.co.nz, 22 November 2011,2:14pm.
- Headline: Couple crushed in weather chaos.
- www.nzherald.co.nz, Source: APNZ, 22 November 2011, 5:30am.
- Headline: Woman and baby rescued in West Coast flooding.
- www.stuff.co.nz, 21 November 2011, 10:14pm.
- Headline: West Coast flooding strands residents.
- www.stuff.co.nz, 22 November 2011, 8:26am.
- Headline: High winds batter Wellington region.
- www.stuff.co.nz, Source: Dominion Post, 21 November 2011, 4:21am.