NZ Historic Weather Events Catalogue
April 2011 Hawke's Bay Flooding ( 2011-04-25 )
A complex low pressure system resulted in a period of severe gales and heavy rain to many parts of the North Island. The worst affected area was central Hawke’s Bay, which suffered severe flooding.
North Island
Multi Hazard
at
North Island
Duration: 4 days - Heavy rain fell in many northern and eastern areas of the North Island, between 25-28 April. Slips and flooding were widespread, especially in Hawke’s Bay. The worst affected area was southeast of Hastings. Severe gales lashed many areas on 26 April, with widespread damage.
Insurance claims totalled $6.4 million.
Hawke's Bay
Multi Hazard
at
Hawke’s Bay
A state of emergency was declared in central Hawke’s Bay on 28 April due to the severe impacts of the flooding; it remained in place until 3 May. The National Crisis Management Centre at Parliament was also activated.
Many coastal settlements were isolated with no power and limited phone communications.
There was extensive road damage and many properties were inundated with water, mud and silt.
Many buildings were damaged. Water had to be boiled to make it safe for public use
50 farms suffered severe damage to pasture, fences, and other farm assets.
Heavy Rain
at
Hawke’s Bay
Parts of Hawke's Bay were hit by record rainfalls during April - more than 300 percent of normal levels for the month - and most of the rain fell between April 26 and 28.
Landslide
at
Napier
Eighteen home were evacuated in Napier after a landslide blocked a main road and rail line outside the city’s port. The slip occurred on the sea-side of Bluff Hill.
State Highway 2 between Napier and Wairoa closed.
Flooding
at
Te Awanga
About 100 people were evacuated from Te Awanga and other coastal settlements.
Flooding
at
Waimarama
Two residents from Waimarama were evacuated by helicopter. They were a pregnant woman, who had gone into labour, and an elderly man who needed dialysis treatment.
The bridge into Waimarama was damaged and impassable.
The water supply to Waimarama was depleted due to the main supply being damaged at the bridge. Residents were asked to collect rainwater in clean containers. .
Flooding
at
Mangakuri
Thirteen people were evacuated by helicopter from Aramoana and Mangakuri
The bridge into Waimarama was damaged and impassable.
Waikato
High Wind / Gust
at
Taupo
Up to 10,000 Taupo households lost power after strong winds pushed trees on to power lines, cutting electricity to 95 per cent of the town.
Earlier in the day, some pine trees fell down on State Highway 5 between Rotorua and Taupo, blocking traffic.
Gusts of 89 km/h were recorded in Taupo.
High Wind / Gust
at
Te Awamutu
Residents in Te Awamutu, 29km south of Hamilton, said a "mini-tornado" ripped out about 20 trees and caused minor damage to houses and fences.
Manawatu-Wanganui
High Wind / Gust
at
Manawatu-Wanganui
Gales in excess of 120kmh brought trees and branches down on powerlines, leaving about 350 people in Palmerston North and rural Manawatu, including Bunnythorpe, Ashhurst, Pohangina, Waituna West and Colyton, without power on 26 and 27 April.
Traffic was reduced to one lane on the Pahiatua Track after the wind caused trees to fall on the road.
Wellington
Landslide
at
Maymorn
A slip at Maymorn temporarily shut down the Wellington-Masterton train service on 26 April.
Landslide
at
Waikanae
A slip has closed Akatarawa Rd between Waikanae and Upper Hutt at the Waikanae end on 27 April.
References
- Insurance Council of New Zealand (www.icnz.org.nz/current/weather)
- Headline: Severe weather batters Hawkes Bay
- www.stuff.co.nz, Source: Dominion Post, 28 April 2011.
- Headline: Floods and slips wreak havoc in Hawkes Bay
- www.stuff.co.nz, Source: Dominion Post, 30 April 2011.
- Headline: Pregnant woman evacuated by helicopter
- www.stuff.co.nz, Source: Dominion Post, 27 April 2011.
- Headline: Hawkes Bay flooding emergency over
- www.stuff.co.nz, Source: Dominion Post, 3 May 2011.
- Headline: Hawkes Bay storm altered landscapes and lives
- www.stuff.co.nz, 7 May 2011.
- Meteorological Society of New Zealand Newsletter 125, June 2011. ISSN 01111-1736
April 2011 Hawke's Bay Flooding ( 2011-04-25 )
A complex low pressure system resulted in a period of severe gales and heavy rain to many parts of the North Island. The worst affected area was central Hawke’s Bay, which suffered severe flooding.
North Island
Multi Hazard
at
North Island
Duration: 4 days - Heavy rain fell in many northern and eastern areas of the North Island, between 25-28 April. Slips and flooding were widespread, especially in Hawke’s Bay. The worst affected area was southeast of Hastings. Severe gales lashed many areas on 26 April, with widespread damage.
Insurance claims totalled $6.4 million.
Hawke's Bay
Multi Hazard
at
Hawke’s Bay
A state of emergency was declared in central Hawke’s Bay on 28 April due to the severe impacts of the flooding; it remained in place until 3 May. The National Crisis Management Centre at Parliament was also activated.
Many coastal settlements were isolated with no power and limited phone communications.
There was extensive road damage and many properties were inundated with water, mud and silt.
Many buildings were damaged. Water had to be boiled to make it safe for public use
50 farms suffered severe damage to pasture, fences, and other farm assets.
Heavy Rain
at
Hawke’s Bay
Parts of Hawke's Bay were hit by record rainfalls during April - more than 300 percent of normal levels for the month - and most of the rain fell between April 26 and 28.
Landslide
at
Napier
Eighteen home were evacuated in Napier after a landslide blocked a main road and rail line outside the city’s port. The slip occurred on the sea-side of Bluff Hill.
State Highway 2 between Napier and Wairoa closed.
Flooding
at
Te Awanga
About 100 people were evacuated from Te Awanga and other coastal settlements.
Flooding
at
Waimarama
Two residents from Waimarama were evacuated by helicopter. They were a pregnant woman, who had gone into labour, and an elderly man who needed dialysis treatment.
The bridge into Waimarama was damaged and impassable.
The water supply to Waimarama was depleted due to the main supply being damaged at the bridge. Residents were asked to collect rainwater in clean containers. .
Flooding
at
Mangakuri
Thirteen people were evacuated by helicopter from Aramoana and Mangakuri
The bridge into Waimarama was damaged and impassable.
Waikato
High Wind / Gust
at
Taupo
Up to 10,000 Taupo households lost power after strong winds pushed trees on to power lines, cutting electricity to 95 per cent of the town.
Earlier in the day, some pine trees fell down on State Highway 5 between Rotorua and Taupo, blocking traffic.
Gusts of 89 km/h were recorded in Taupo.
High Wind / Gust
at
Te Awamutu
Residents in Te Awamutu, 29km south of Hamilton, said a "mini-tornado" ripped out about 20 trees and caused minor damage to houses and fences.
Manawatu-Wanganui
High Wind / Gust
at
Manawatu-Wanganui
Gales in excess of 120kmh brought trees and branches down on powerlines, leaving about 350 people in Palmerston North and rural Manawatu, including Bunnythorpe, Ashhurst, Pohangina, Waituna West and Colyton, without power on 26 and 27 April.
Traffic was reduced to one lane on the Pahiatua Track after the wind caused trees to fall on the road.
Wellington
Landslide
at
Maymorn
A slip at Maymorn temporarily shut down the Wellington-Masterton train service on 26 April.
Landslide
at
Waikanae
A slip has closed Akatarawa Rd between Waikanae and Upper Hutt at the Waikanae end on 27 April.
References
- Insurance Council of New Zealand (www.icnz.org.nz/current/weather)
- Headline: Severe weather batters Hawkes Bay
- www.stuff.co.nz, Source: Dominion Post, 28 April 2011.
- Headline: Floods and slips wreak havoc in Hawkes Bay
- www.stuff.co.nz, Source: Dominion Post, 30 April 2011.
- Headline: Pregnant woman evacuated by helicopter
- www.stuff.co.nz, Source: Dominion Post, 27 April 2011.
- Headline: Hawkes Bay flooding emergency over
- www.stuff.co.nz, Source: Dominion Post, 3 May 2011.
- Headline: Hawkes Bay storm altered landscapes and lives
- www.stuff.co.nz, 7 May 2011.
- Meteorological Society of New Zealand Newsletter 125, June 2011. ISSN 01111-1736