NZ Historic Weather Events Catalog

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ModerateApril 2005 New Zealand Cold Snap ( 2005-04-23 )

Snow, cold temperatures and high winds affected many regions and lightning, thunder and hail rattled many parts of the country overnight on the 23rd and the 24th.

New Zealand

Multi HazardMulti Hazard at New Zealand
Comments:

CommentSnow, cold temperatures and high winds affected many regions.

DurationLightning, thunder and hail rattled many parts of the country overnight on the 23rd and the 24th.

CauseAn icy blast came straight off the Antarctic ice shelf and the cool winds reached the South Island relatively unobstructed.

High Wind GustsHigh Wind / Gust
Comments:

Peak Wind SpeedStrong winds gusted up to 120 km/hr.

Gisborne

Snow / IceSnow / Ice at Gisborne City
Map Location: -38.656661 178.017356
Comments:

Physical CharacteristicGisborne stayed on 9ºC on the 24th.

CommentThe southerly flow brought snow down to 500 m around the city.

Manawatu-Wanganui

Snow / IceSnow / Ice at Desert Road
Map Location: -39.30009 175.73859
Comments:

Affected LifelineSnow blanketed the Desert Road on the 24th.

Affected LifelineThe Desert Road was closed on the morning of the 25th by snow and ice.

Affected LifelineDesert Road was closed again overnight of the 25th, between Rangipo and Waiouru, but was open on the 26th.

ImpactThere was a number of minor crashes on Desert Road.

LandslideLandslide at Manawatu Gorge
Map Location: -40.31792 175.798027
Comments:

Affected LifelineOn State Highway 3 through Manawatu Gorge, a large slip caused by rain delayed motorists early on the 25th.

Wellington

Multi HazardMulti Hazard at Wellington
Comments:

CommentMost parts of Wellington had strong wind gusts, lightning and thunder.

Maritime / CoastalMaritime / Coastal at Cook Strait
Map Location: -41.247772 174.473756
Comments:

Peak Water LevelThe swells in Cook Strait were bigger than 8.3 m on the night of the 24th.

Snow / IceSnow / Ice at Rimutaka Hill
Map Location: -41.119029 175.230172
Comments:

Affected LifelineThere was a light dusting of snow and slushy conditions on Rimutaka Hill Road on the 25th. Motorists were advised to take extreme care.

HailHail at Wellington City
Map Location: -41.28855 174.776764
Comments:

CommentThere was a hail storm in Wellington on the 24th.

Hail SizeThe hail was the size of golf balls in some instances with a diameter of 4.0 cm.

CommentThere was savage weather overnight.

DamageThere was minor storm damage reported.

Marlborough

Maritime / CoastalMaritime / Coastal at Tory Channel
Map Location: -41.23898 174.22477
Comments:

ImpactThe Arahura ferry took seven hours to complete a crossing when it lost power in bad weather near the entrance to Tory Channel on the 24th.

Peak Water LevelThe ferry lost power in 4 m swells near the entrance to Tory Channel.

High Wind GustsHigh Wind / Gust
Comments:

Peak Wind SpeedWinds reached 75 km/hr.

Canterbury

Snow / IceSnow / Ice at Canterbury
Comments:

CommentA light covering of snow blanketed Tekapo and parts of Christchurch.

HailHail at Christchurch
Map Location: -43.53112 172.636147
Comments:

CommentHail first began falling in Christchurch on the 23rd night and continued throughout the 24th.

CommentStreets were white with hail.

DamageWindows were broken.

Hail SizeThe hail was the size of marbles with a diameter of 1.5-2.0 cm.

Insurance PaymentInsurance industry payouts was $13,000,000 in 2005.

Physical CharacteristicChristchurch experienced a cold wintry blast. Temperatures dived from 19ºC on the 23rd to 4ºC by the evening.

Physical CharacteristicChristchurch had a high of 8ºC on the 24th.

LightningLightning
Comments:

CommentHail occurred in a violent electrical storm.

Multi HazardMulti Hazard at Gebbies Pass
Map Location: -43.69069 172.64016
Comments:

ImpactOne car was reported to be stuck on Gebbies Pass Road on Banks Peninsula. Police rescued occupants but car had to be left behind.

Snow / IceSnow / Ice at Port Hills
Map Location: -43.58959 172.69493
Comments:

CommentHeavy snow fell on the Port Hills on the 24th and draped them with snow.

Otago

Snow / IceSnow / Ice at Otago
Comments:

ImpactPeople were trapped by snow in Central Otago on the 24th..

CommentA light covering of snow blanketed Queenstown and Dunedin.

Snow / IceSnow / Ice at Dunedin
Map Location: -45.87911 170.502707
Comments:

Affected LifelinePolice were forced to close Dunedin's northern motorway for several hours.

Snow / IceSnow / Ice at Queenstown
Map Location: -45.041441 168.645105
Comments:

Physical CharacteristicThe temperature in Queenstown fell to -2ºC overnight on the 23rd to the 24th.

Stewart Island

Maritime / CoastalMaritime / Coastal at Stewart Island
Comments:

ImpactHigh seas forced a 71-year-old yachtsman to be rescued off Stewart Island on the 24th.

References

Catalogue of Severe Hail Storms, 1924-1986 and 1991-2006, Source: OBS
Headline: Snow, ice and wind wipe out summer.
www.nzherald.co.nz, 25 April 2005.
Headline: Chilly weather likely to linger.
www.nzherald.co.nz, 26 April 2005.
Headline: Winter's icy fingers touch Christchurch.
www.nzherald.co.nz, Source: Newstalk ZB, 24 April 2005.
Headline: Wintry weather grips the country.
www.nzherald.co.nz, Source: NZPA, 25 April 2005.
Headline: Desert Road open after snoow and ice overnight.
www.nzherald.co.nz, Source: NZPA, 26 April 2005.

ModerateApril 2005 New Zealand Cold Snap ( 2005-04-23 )

Snow, cold temperatures and high winds affected many regions and lightning, thunder and hail rattled many parts of the country overnight on the 23rd and the 24th.

New Zealand

Multi HazardMulti Hazard at New Zealand
Comments:

CommentSnow, cold temperatures and high winds affected many regions.

DurationLightning, thunder and hail rattled many parts of the country overnight on the 23rd and the 24th.

CauseAn icy blast came straight off the Antarctic ice shelf and the cool winds reached the South Island relatively unobstructed.

High Wind GustsHigh Wind / Gust
Comments:

Peak Wind SpeedStrong winds gusted up to 120 km/hr.

Gisborne

Snow / IceSnow / Ice at Gisborne City
Map Location: -38.656661 178.017356
Comments:

Physical CharacteristicGisborne stayed on 9ºC on the 24th.

CommentThe southerly flow brought snow down to 500 m around the city.

Manawatu-Wanganui

Snow / IceSnow / Ice at Desert Road
Map Location: -39.30009 175.73859
Comments:

Affected LifelineSnow blanketed the Desert Road on the 24th.

Affected LifelineThe Desert Road was closed on the morning of the 25th by snow and ice.

Affected LifelineDesert Road was closed again overnight of the 25th, between Rangipo and Waiouru, but was open on the 26th.

ImpactThere was a number of minor crashes on Desert Road.

LandslideLandslide at Manawatu Gorge
Map Location: -40.31792 175.798027
Comments:

Affected LifelineOn State Highway 3 through Manawatu Gorge, a large slip caused by rain delayed motorists early on the 25th.

Wellington

Multi HazardMulti Hazard at Wellington
Comments:

CommentMost parts of Wellington had strong wind gusts, lightning and thunder.

Maritime / CoastalMaritime / Coastal at Cook Strait
Map Location: -41.247772 174.473756
Comments:

Peak Water LevelThe swells in Cook Strait were bigger than 8.3 m on the night of the 24th.

Snow / IceSnow / Ice at Rimutaka Hill
Map Location: -41.119029 175.230172
Comments:

Affected LifelineThere was a light dusting of snow and slushy conditions on Rimutaka Hill Road on the 25th. Motorists were advised to take extreme care.

HailHail at Wellington City
Map Location: -41.28855 174.776764
Comments:

CommentThere was a hail storm in Wellington on the 24th.

Hail SizeThe hail was the size of golf balls in some instances with a diameter of 4.0 cm.

CommentThere was savage weather overnight.

DamageThere was minor storm damage reported.

Marlborough

Maritime / CoastalMaritime / Coastal at Tory Channel
Map Location: -41.23898 174.22477
Comments:

ImpactThe Arahura ferry took seven hours to complete a crossing when it lost power in bad weather near the entrance to Tory Channel on the 24th.

Peak Water LevelThe ferry lost power in 4 m swells near the entrance to Tory Channel.

High Wind GustsHigh Wind / Gust
Comments:

Peak Wind SpeedWinds reached 75 km/hr.

Canterbury

Snow / IceSnow / Ice at Canterbury
Comments:

CommentA light covering of snow blanketed Tekapo and parts of Christchurch.

HailHail at Christchurch
Map Location: -43.53112 172.636147
Comments:

CommentHail first began falling in Christchurch on the 23rd night and continued throughout the 24th.

CommentStreets were white with hail.

DamageWindows were broken.

Hail SizeThe hail was the size of marbles with a diameter of 1.5-2.0 cm.

Insurance PaymentInsurance industry payouts was $13,000,000 in 2005.

Physical CharacteristicChristchurch experienced a cold wintry blast. Temperatures dived from 19ºC on the 23rd to 4ºC by the evening.

Physical CharacteristicChristchurch had a high of 8ºC on the 24th.

LightningLightning
Comments:

CommentHail occurred in a violent electrical storm.

Multi HazardMulti Hazard at Gebbies Pass
Map Location: -43.69069 172.64016
Comments:

ImpactOne car was reported to be stuck on Gebbies Pass Road on Banks Peninsula. Police rescued occupants but car had to be left behind.

Snow / IceSnow / Ice at Port Hills
Map Location: -43.58959 172.69493
Comments:

CommentHeavy snow fell on the Port Hills on the 24th and draped them with snow.

Otago

Snow / IceSnow / Ice at Otago
Comments:

ImpactPeople were trapped by snow in Central Otago on the 24th..

CommentA light covering of snow blanketed Queenstown and Dunedin.

Snow / IceSnow / Ice at Dunedin
Map Location: -45.87911 170.502707
Comments:

Affected LifelinePolice were forced to close Dunedin's northern motorway for several hours.

Snow / IceSnow / Ice at Queenstown
Map Location: -45.041441 168.645105
Comments:

Physical CharacteristicThe temperature in Queenstown fell to -2ºC overnight on the 23rd to the 24th.

Stewart Island

Maritime / CoastalMaritime / Coastal at Stewart Island
Comments:

ImpactHigh seas forced a 71-year-old yachtsman to be rescued off Stewart Island on the 24th.

References

Catalogue of Severe Hail Storms, 1924-1986 and 1991-2006, Source: OBS
Headline: Snow, ice and wind wipe out summer.
www.nzherald.co.nz, 25 April 2005.
Headline: Chilly weather likely to linger.
www.nzherald.co.nz, 26 April 2005.
Headline: Winter's icy fingers touch Christchurch.
www.nzherald.co.nz, Source: Newstalk ZB, 24 April 2005.
Headline: Wintry weather grips the country.
www.nzherald.co.nz, Source: NZPA, 25 April 2005.
Headline: Desert Road open after snoow and ice overnight.
www.nzherald.co.nz, Source: NZPA, 26 April 2005.