NZ Historic Weather Events Catalogue

XML

ModerateSeptember 2005 North Island Winds and South Island Snow ( 2005-09-16 )

Northland, Auckland, Waikato and Bay of Plenty were hit with high winds, which caused damage to trees and boats. A small tornado in Hamilton damaged house roofs and trees. Snow affected the Central North Island and eastern South Island.

North Island

Multi HazardMulti Hazard at North Island
Duration:   4  days - From the 16th to the 19th of September.
Comments:

CauseAn unusually deep low, with its centre below 980 hpa, formed in the central Tasman Sea on the 17th and crossed the country on the 18th, bringing plunging barometers and thermometers.

High Wind GustsHigh Wind / Gust
Comments:

DamageWild weather brought down trees and power poles across the North Island.

ImpactStrong winds caused havoc for motorists and boat and home owners in the upper North Island.

Snow / IceSnow / Ice
Comments:

CommentA severe cold snap moved up the country on the 19th, bringing with it snow, hail and sleet.

CommentSnow fell to 500m on the Central North Island.

South Island

Snow / IceSnow / Ice at South Island
Comments:

CommentOn the morning of the 19th snow fell to near sea level from Southland to Kaikoura.

Physical CharacteristicSeveral centimetres accumulated near sea level and there was up to 10cm on the hills.

Northland

High Wind GustsHigh Wind / Gust at Cape Reinga
Map Location: -34.427834 172.679516
Comments:

Peak Wind SpeedCape Reinga recorded wind gusts of up to 138 km/hr on the afternoon of the 18th.

High Wind GustsHigh Wind / Gust at Dargaville
Map Location: -35.944137 173.869958
Comments:

Property DamageStrong winds lifted a canopy off the Caltex service station in Victoria Street, Dargaville.

Affected LifelineVictoria Street was closed due to the wind damage.

High Wind GustsHigh Wind / Gust at Houhora
Map Location: -34.794901 173.10341
Comments:

Affected LifelineTrees blocked roads in Houhora.

High Wind GustsHigh Wind / Gust at Kaitaia
Map Location: -35.107541 173.248564
Comments:

Property DamageAt Kaitaia, part of a roof was blown off a house.

High Wind GustsHigh Wind / Gust at Kawakawa
Map Location: -35.383033 174.058065
Comments:

Affected LifelineTrees blocked roads in Kawakawa.

High Wind GustsHigh Wind / Gust at Mangonui Harbour
Map Location: -34.991405 173.548999
Comments:

CommentHowling northerly winds were experienced in Mangonui Harbour.

Physical CharacteristicMangonui Harbour recorded wind gusts of more than 100 km/hr.

DamageA 12m commercial fishing boat (The Quo Vandis) rolled over and sank at its mooring in the harbour. Soon after, a large, two-masted ketch broke its mooring and was driven onto rocks about 200m away.

Auckland

High Wind GustsHigh Wind / Gust at Auckland
Comments:

Affected LifelineIn Auckland roads were blocked in several areas by fallen trees and power lines and flying debris.

Multi HazardMulti Hazard
Comments:

Affected LifelineMotorists on the Southern Motorway had to deal with surface flooding and plywood, which had blown off the back of a trailer near Papakura.

CommentAuckland was lashed by hail and thunderstorms throughout the day on the 19th.

Physical CharacteristicAuckland had a temperature of 9C instead of about 16C on the 19th.

High Wind GustsHigh Wind / Gust at Auckland City
Map Location: -36.852397 174.762337
Comments:

Affected LifelineLoose scaffolding from a construction site closed the southbound lanes of the Southern Motorway between Fanshaw and Cook Streets.

High Wind GustsHigh Wind / Gust at Mission Bay
Map Location: -36.847217 174.829493
Comments:

DamageSeveral boats were smashed up along Tamaki Drive.

High Wind GustsHigh Wind / Gust at Takapuna
Map Location: -36.787162 174.755633
Comments:

Affected LifelineLarge barriers caused havoc after they blew across a North Shore road.

Waikato

High Wind GustsHigh Wind / Gust at Eureka
Map Location: -37.742517 175.421429
Comments:

Affected LifelineA tree brought a power pole down across State Highway 1b near Eureka.

Multi HazardMulti Hazard at Hamilton
Map Location: -37.780816 175.272836
Comments:

CommentA quick violent storm came in to Hamilton from the east, hitting between 9pm and 10pm on the 16th. The short but severe storm was accompanied by very heavy rain, thunder and lightning.

TornadoTornado
Comments:

CommentA severe localised wind event, probably a tornado, occurred in south Hamilton just before 10pm on the 16th.

AreaThe narrow damage path was mainly through parks, including Hamilton Gardens.

Affected LifelineThe tornado brought down trees over a wide area, blocking roads.

Property DamageThe Fire Service was called out after the tornado caused minor roof damage to several houses in Hillcrest and Cambridge Road.

DamageNumerous trees were broken or uprooted in a damage trail no wider than 30m.

Property DamageHamilton Botanic Gardens said they lost around 200 trees and numerous shrubbery.

CauseThe passage of a frontal thunderstorm.

Bay of Plenty

Multi HazardMulti Hazard at Lake Rotoma
Map Location: -38.052254 176.555259
Comments:

Affected LifelineA mudslide and fallen trees blocked part of State Highway 30 near Lake Rotoma.

Manawatu-Wanganui

Snow / IceSnow / Ice at Manawatu-Wanganui
Comments:

Affected LifelineState Highway 1 over the Desert Road and State Highway 49 between Ohakune and Waiouru were closed on the 19th.

Snow / IceSnow / Ice at Ohakune
Map Location: -39.411621 175.409588
Comments:

Physical CharacteristicOhakune received 10 cm of snow on the 19th.

Snow / IceSnow / Ice at Waiouru
Map Location: -39.466728 175.685937
Comments:

Physical CharacteristicWaiouru received 15 cm of snow on the 19th.

Physical CharacteristicWaiouru had a temperature of 0C instead of about 10C.

Wellington

High Wind GustsHigh Wind / Gust at Wellington Harbour
Map Location: -41.267785 174.837681
Comments:

ImpactA tug had to help the Kaitaki ferry to berth when strong southerlies hit during the afternoon of the 19th.

Canterbury

Snow / IceSnow / Ice at Christchurch
Map Location: -43.53112 172.636147
Comments:

Physical CharacteristicChristchurch had 5-10 cm of snow on the 19th.

Affected LifelineSnow delayed flights, shut down public transport, closed schools and affected electricity supplies.

Physical CharacteristicChristchurch recorded a temperature of 3C at 3pm on the 19th (average normally 15C).

Physical CharacteristicOn the 19th Christchurch recorded its lowest September maximum temperature on record with just 5.3C.

References

Headline: Clean-up in Hamilton after 'mini-tornado' rips through.
www.nzherald.co.nz, Source: NZPA, 17 September 2005.
Headline: Weekend's wild weather likely to continue today.
www.nzherald.co.nz, 19 September 2005.
Headline: Dig out those winter woollies.
www.nzherald.co.nz, 20 September 2005.
www.thunderstorm.co.nz. New Zealand Weather Reports - Hamilton Tornado: 16 September 2005.
www.thunderstorm.co.nz. New Zealand Weather Reports - Spring Snowfall: 19 September 2005.

ModerateSeptember 2005 North Island Winds and South Island Snow ( 2005-09-16 )

Northland, Auckland, Waikato and Bay of Plenty were hit with high winds, which caused damage to trees and boats. A small tornado in Hamilton damaged house roofs and trees. Snow affected the Central North Island and eastern South Island.

North Island

Multi HazardMulti Hazard at North Island
Duration:   4  days - From the 16th to the 19th of September.
Comments:

CauseAn unusually deep low, with its centre below 980 hpa, formed in the central Tasman Sea on the 17th and crossed the country on the 18th, bringing plunging barometers and thermometers.

High Wind GustsHigh Wind / Gust
Comments:

DamageWild weather brought down trees and power poles across the North Island.

ImpactStrong winds caused havoc for motorists and boat and home owners in the upper North Island.

Snow / IceSnow / Ice
Comments:

CommentA severe cold snap moved up the country on the 19th, bringing with it snow, hail and sleet.

CommentSnow fell to 500m on the Central North Island.

South Island

Snow / IceSnow / Ice at South Island
Comments:

CommentOn the morning of the 19th snow fell to near sea level from Southland to Kaikoura.

Physical CharacteristicSeveral centimetres accumulated near sea level and there was up to 10cm on the hills.

Northland

High Wind GustsHigh Wind / Gust at Cape Reinga
Map Location: -34.427834 172.679516
Comments:

Peak Wind SpeedCape Reinga recorded wind gusts of up to 138 km/hr on the afternoon of the 18th.

High Wind GustsHigh Wind / Gust at Dargaville
Map Location: -35.944137 173.869958
Comments:

Property DamageStrong winds lifted a canopy off the Caltex service station in Victoria Street, Dargaville.

Affected LifelineVictoria Street was closed due to the wind damage.

High Wind GustsHigh Wind / Gust at Houhora
Map Location: -34.794901 173.10341
Comments:

Affected LifelineTrees blocked roads in Houhora.

High Wind GustsHigh Wind / Gust at Kaitaia
Map Location: -35.107541 173.248564
Comments:

Property DamageAt Kaitaia, part of a roof was blown off a house.

High Wind GustsHigh Wind / Gust at Kawakawa
Map Location: -35.383033 174.058065
Comments:

Affected LifelineTrees blocked roads in Kawakawa.

High Wind GustsHigh Wind / Gust at Mangonui Harbour
Map Location: -34.991405 173.548999
Comments:

CommentHowling northerly winds were experienced in Mangonui Harbour.

Physical CharacteristicMangonui Harbour recorded wind gusts of more than 100 km/hr.

DamageA 12m commercial fishing boat (The Quo Vandis) rolled over and sank at its mooring in the harbour. Soon after, a large, two-masted ketch broke its mooring and was driven onto rocks about 200m away.

Auckland

High Wind GustsHigh Wind / Gust at Auckland
Comments:

Affected LifelineIn Auckland roads were blocked in several areas by fallen trees and power lines and flying debris.

Multi HazardMulti Hazard
Comments:

Affected LifelineMotorists on the Southern Motorway had to deal with surface flooding and plywood, which had blown off the back of a trailer near Papakura.

CommentAuckland was lashed by hail and thunderstorms throughout the day on the 19th.

Physical CharacteristicAuckland had a temperature of 9C instead of about 16C on the 19th.

High Wind GustsHigh Wind / Gust at Auckland City
Map Location: -36.852397 174.762337
Comments:

Affected LifelineLoose scaffolding from a construction site closed the southbound lanes of the Southern Motorway between Fanshaw and Cook Streets.

High Wind GustsHigh Wind / Gust at Mission Bay
Map Location: -36.847217 174.829493
Comments:

DamageSeveral boats were smashed up along Tamaki Drive.

High Wind GustsHigh Wind / Gust at Takapuna
Map Location: -36.787162 174.755633
Comments:

Affected LifelineLarge barriers caused havoc after they blew across a North Shore road.

Waikato

High Wind GustsHigh Wind / Gust at Eureka
Map Location: -37.742517 175.421429
Comments:

Affected LifelineA tree brought a power pole down across State Highway 1b near Eureka.

Multi HazardMulti Hazard at Hamilton
Map Location: -37.780816 175.272836
Comments:

CommentA quick violent storm came in to Hamilton from the east, hitting between 9pm and 10pm on the 16th. The short but severe storm was accompanied by very heavy rain, thunder and lightning.

TornadoTornado
Comments:

CommentA severe localised wind event, probably a tornado, occurred in south Hamilton just before 10pm on the 16th.

AreaThe narrow damage path was mainly through parks, including Hamilton Gardens.

Affected LifelineThe tornado brought down trees over a wide area, blocking roads.

Property DamageThe Fire Service was called out after the tornado caused minor roof damage to several houses in Hillcrest and Cambridge Road.

DamageNumerous trees were broken or uprooted in a damage trail no wider than 30m.

Property DamageHamilton Botanic Gardens said they lost around 200 trees and numerous shrubbery.

CauseThe passage of a frontal thunderstorm.

Bay of Plenty

Multi HazardMulti Hazard at Lake Rotoma
Map Location: -38.052254 176.555259
Comments:

Affected LifelineA mudslide and fallen trees blocked part of State Highway 30 near Lake Rotoma.

Manawatu-Wanganui

Snow / IceSnow / Ice at Manawatu-Wanganui
Comments:

Affected LifelineState Highway 1 over the Desert Road and State Highway 49 between Ohakune and Waiouru were closed on the 19th.

Snow / IceSnow / Ice at Ohakune
Map Location: -39.411621 175.409588
Comments:

Physical CharacteristicOhakune received 10 cm of snow on the 19th.

Snow / IceSnow / Ice at Waiouru
Map Location: -39.466728 175.685937
Comments:

Physical CharacteristicWaiouru received 15 cm of snow on the 19th.

Physical CharacteristicWaiouru had a temperature of 0C instead of about 10C.

Wellington

High Wind GustsHigh Wind / Gust at Wellington Harbour
Map Location: -41.267785 174.837681
Comments:

ImpactA tug had to help the Kaitaki ferry to berth when strong southerlies hit during the afternoon of the 19th.

Canterbury

Snow / IceSnow / Ice at Christchurch
Map Location: -43.53112 172.636147
Comments:

Physical CharacteristicChristchurch had 5-10 cm of snow on the 19th.

Affected LifelineSnow delayed flights, shut down public transport, closed schools and affected electricity supplies.

Physical CharacteristicChristchurch recorded a temperature of 3C at 3pm on the 19th (average normally 15C).

Physical CharacteristicOn the 19th Christchurch recorded its lowest September maximum temperature on record with just 5.3C.

References

Headline: Clean-up in Hamilton after 'mini-tornado' rips through.
www.nzherald.co.nz, Source: NZPA, 17 September 2005.
Headline: Weekend's wild weather likely to continue today.
www.nzherald.co.nz, 19 September 2005.
Headline: Dig out those winter woollies.
www.nzherald.co.nz, 20 September 2005.
www.thunderstorm.co.nz. New Zealand Weather Reports - Hamilton Tornado: 16 September 2005.
www.thunderstorm.co.nz. New Zealand Weather Reports - Spring Snowfall: 19 September 2005.