NZ Historic Weather Events Catalogue

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ModerateMarch 2009 Otago Cold Snap ( 2009-03-10 )

A cold snap with snow, hail and high winds was experienced in Otago and parts of Southland. There was also flooding in places following snow melt.

South Island

Multi HazardMulti Hazard at South Island
Duration:   4  days - From the 10th to the 13th of March.
Comments:

CommentMetService SEVERE WEATHER WARNING issued at 10:58 am 10-Mar-2009: A period of severe gales for eastern parts of the North Island south of Hastings, also about Banks Peninsula. Includes STRONG WIND WARNING for: the eastern North Island from Hastings southwards, also Banks Peninsula.

CommentMetService SEVERE WEATHER WARNING issued at 8:53 pm 10-Mar-2009: A period of severe gales for eastern parts of the North Island south of Hastings and also about Banks Peninsula. Includes STRONG WIND WARNING for: the eastern North Island from Hastings southwards, also Banks Peninsula.

CommentMetService SEVERE WEATHER WARNING issued at 8:55 am 11-Mar-2009: Severe southwesterly gales about Banks Peninsula until this afternoon, but severe westerlies eased early this morning in the east of the lower North Island. Includes STRONG WIND WARNING for: Banks Peninsula. WARNINGS NO LONGER IN FORCE: Strong Wind Warnings lifted for eastern areas of the North Island from Hastings southwards.

CommentMetService SEVERE WEATHER WARNING issued at 3:13 pm 11-Mar-2009: Southwest gales about Banks Peninsula now easing. WARNINGS NO LONGER IN FORCE: Strong Wind Warnings lifted for Banks Peninsula.

CommentMetService SEVERE WEATHER WARNING issued at 8:08 pm 11-Mar-2009: Severe southwest gales for south Otago and Dunedin during Thursday. Includes STRONG WIND WARNING for: hilltops and exposed coasts of the Clutha and Dunedin areas.

CommentMetService SEVERE WEATHER WARNING issued at 8:13 am 12-Mar-2009: Severe southwest gales for areas of Otago during Thursday. Includes STRONG WIND WARNING for: hilltops and exposed areas of the Clutha and Dunedin districts and also areas east of the Rock and Pillar Range.

CommentMetService SEVERE WEATHER WARNING issued at 8:06 pm 12-Mar-2009: Severe southwest gales in coastal Otago have now eased. WARNINGS NO LONGER IN FORCE: Strong Wind Warnings lifted for hilltops and exposed coasts of the Clutha and Dunedin districts and areas east of the Rock and Pillar Range.

FloodingFlooding
Comments:

Affected LifelineState Highway 90 between Raes Junction (Otago) and McNab (Southland) was closed due to flood waters on the 13th.

Otago

Snow / IceSnow / Ice at Otago
Comments:

CommentAn unseasonal cold snap was experienced in Central Otago and Queenstown-Lakes on the 10th and 11th.

Physical CharacteristicTemperatures plummeted to low single digits.

CommentVery strong cold southerlies were coming up from Antarctica.

Physical CharacteristicSnow fell to 400 m in Central Otago.

High Wind GustsHigh Wind / Gust
Comments:

CommentSouthwesterly gales, some reaching gale force, swept the hilltops and exposed areas of Clutha and Dunedin on the 12th.

Snow / IceSnow / Ice at Alexandra
Map Location: -45.253862 169.375391
Comments:

CommentSnow fell on the hills around Alexandra overnight on the 10th.

High Wind GustsHigh Wind / Gust
Comments:

Property DamageA massive snow gum tree fell on the cab of a utility vehicle in Tarbert Street in Alexandra at about midday on the 12th. The driver had got out of it just minutes beforehand. Another 20 m tree in Prioneer Park was also dislodged by the strong wind and later had to be felled for safety reasons.

Physical CharacteristicThe wind gust that felled the tree was measured at 58 km/hr.

Affected LifelineThe gum tree blocked Tarbert Street, and traffic had to be diverted.

Affected LifelineAnother gum tree was blown over in Taylor Place and brought down power lines around midday.

HailHail at Catlins Heads
Map Location: -46.489995 169.721959
Comments:

CommentHail showers and driving rain occurred in the Caitlins.

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

CommentIcy rain fell in Dunedin on the 11th and sleet was reported on Three Mile Hill.

Physical CharacteristicDunedin had a temperature of 4 degC on the morning of the 11th.

CommentSome snow fell on the Northern Motorway.

High Wind GustsHigh Wind / Gust
Comments:

Peak Wind SpeedDunedin recorded gusts of 69 km/hr on the 12th.

High Wind GustsHigh Wind / Gust at Dunedin Airport
Map Location: -45.928643 170.198772
Comments:

Peak Wind SpeedDunedin Airport recorded gusts of 89 km/hr on the 12th.

Snow / IceSnow / Ice at Fruitlands
Map Location: -45.342549 169.302177
Comments:

CommentSnow covered the hillsides in Fruitlands on the 10th.

FloodingFlooding at Kelso
Map Location: -45.905986 169.231867
Comments:

Crop DamageA Kelso farmer had cut hay swept away and trapped in fences.

High Wind GustsHigh Wind / Gust at Oamaru
Map Location: -45.087138 170.980874
Comments:

Peak Wind SpeedOamaru recorded gusts of 50 km/hr on the 12th.

High Wind GustsHigh Wind / Gust at Outram
Map Location: -45.859829 170.220115
Comments:

Affected LifelinePower was cut to homes in parts of Outram and surrounding areas for up to 90 minutes on the 12th.

FloodingFlooding at Pomahaka
Map Location: -46.008839 169.237415
Comments:

Affected LifelineA bridge at Koi Flat was submerged by flood waters.

FloodingFlooding at Pomahaka River
Map Location: -45.879879 169.176184
Comments:

CommentSeveral days of heavy rain and melting snow caused the Pomahaka River to flood on the 13th.

ImpactA Tapanui district farmer had about 100 ha of his farm under water on the night of the 13th.

High Wind GustsHigh Wind / Gust at Port Chalmers
Map Location: -45.819968 170.626226
Comments:

Affected LifelinePower was cut in the West Harbour area around Sawyers Bay for three hours on the morning of the 11th, after a large macrocarpa tree brought down two power poles in Blanket Bay at about 11am. The areas affected were Blanket Bay, Mt Cargill, Pigeon Flat, Sawyers Bay and the Waitati Valley area.

Affected LifelineState Highway 88 between Dunedin and Port Chalmers was closed to northbound traffic after the power poles were brought down.

ImpactThe diversion on SH88 disrupted freight operations at the Port of Otago, as some trucks struggled to negotiate the alternative road.

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

Physical CharacteristicQueenstown recorded the lowest temperature of 4 degC at 7:30am on the 11th.

Affected LifelineOn the 11th, at least one flight into Queenstown was diverted to Invercargill and another was cancelled because of low cloud.

HailHail at Ranfurly
Map Location: -45.131163 170.112657
Comments:

CommentA hail storm was experienced at Ranfurly on the afternoon of the 10th.

Hail SizeHail stones measured 10 mm (1.0 cm).

Snow / IceSnow / Ice at The Remarkables
Map Location: -45.066913 168.798339
Comments:

CommentSnow covered The Remarkables on the 11th.

High Wind GustsHigh Wind / Gust at Taiaroa Head
Map Location: -45.773348 170.728425
Comments:

Peak Wind SpeedTaiaroa Head recorded gusts of 148 km/hr on the 12th.

FloodingFlooding at Tapanui
Map Location: -45.945409 169.268023
Comments:

DamageA car went into the flood waters on the Tapanui side of the Pomahaka River on the evening of the 12th and had to be abandoned.

High Wind GustsHigh Wind / Gust at Wanaka
Map Location: -44.706574 169.12357
Comments:

Peak Wind SpeedWanaka recorded gusts of 54 km/hr on the 12th.

Southland

High Wind GustsHigh Wind / Gust at Gore
Map Location: -46.095878 168.927462
Comments:

Peak Wind SpeedGore recorded gusts of 78 km/hr on the 12th.

References

Headline: Unseasonal cold snap slows growth.
www.thenews.co.nz, 12 March 2009.
Headline: Winter-like chill for southern farmers.
www.newstalkzb.co.nz, 11 March 2009, 3:08pm.
Headline: South hit by cold snap.
www.odt.co.nz, 11 March 2009, 9:22am.
Headline: Power cut hits Dunedin homes.
www.odt.co.nz, 11 March 2009, 11:57am.
Headline: Lucky escape as tree crushes ute.
www.odt.co.nz, 13 March 2009, 4:59am.
Headline: Otago coast lashed by 148kmh gales.
www.odt.co.nz, 13 March 2009, 5:33am.
Headline: Rain, melted snow, flood Pomahaka River.
www.odt.co.nz, 14 March 2009, 5:00am.
Headline: Winter falls early as temperatures drop.
www.stuff.co.nz, Source: Southland Times, 12 March 2009.
Headline: Couple lucky to be out of truck when tree squashes cab.
www.stuff.co.nz, Source: Southland Times, 13 March 2009, 5:00am.

ModerateMarch 2009 Otago Cold Snap ( 2009-03-10 )

A cold snap with snow, hail and high winds was experienced in Otago and parts of Southland. There was also flooding in places following snow melt.

South Island

Multi HazardMulti Hazard at South Island
Duration:   4  days - From the 10th to the 13th of March.
Comments:

CommentMetService SEVERE WEATHER WARNING issued at 10:58 am 10-Mar-2009: A period of severe gales for eastern parts of the North Island south of Hastings, also about Banks Peninsula. Includes STRONG WIND WARNING for: the eastern North Island from Hastings southwards, also Banks Peninsula.

CommentMetService SEVERE WEATHER WARNING issued at 8:53 pm 10-Mar-2009: A period of severe gales for eastern parts of the North Island south of Hastings and also about Banks Peninsula. Includes STRONG WIND WARNING for: the eastern North Island from Hastings southwards, also Banks Peninsula.

CommentMetService SEVERE WEATHER WARNING issued at 8:55 am 11-Mar-2009: Severe southwesterly gales about Banks Peninsula until this afternoon, but severe westerlies eased early this morning in the east of the lower North Island. Includes STRONG WIND WARNING for: Banks Peninsula. WARNINGS NO LONGER IN FORCE: Strong Wind Warnings lifted for eastern areas of the North Island from Hastings southwards.

CommentMetService SEVERE WEATHER WARNING issued at 3:13 pm 11-Mar-2009: Southwest gales about Banks Peninsula now easing. WARNINGS NO LONGER IN FORCE: Strong Wind Warnings lifted for Banks Peninsula.

CommentMetService SEVERE WEATHER WARNING issued at 8:08 pm 11-Mar-2009: Severe southwest gales for south Otago and Dunedin during Thursday. Includes STRONG WIND WARNING for: hilltops and exposed coasts of the Clutha and Dunedin areas.

CommentMetService SEVERE WEATHER WARNING issued at 8:13 am 12-Mar-2009: Severe southwest gales for areas of Otago during Thursday. Includes STRONG WIND WARNING for: hilltops and exposed areas of the Clutha and Dunedin districts and also areas east of the Rock and Pillar Range.

CommentMetService SEVERE WEATHER WARNING issued at 8:06 pm 12-Mar-2009: Severe southwest gales in coastal Otago have now eased. WARNINGS NO LONGER IN FORCE: Strong Wind Warnings lifted for hilltops and exposed coasts of the Clutha and Dunedin districts and areas east of the Rock and Pillar Range.

FloodingFlooding
Comments:

Affected LifelineState Highway 90 between Raes Junction (Otago) and McNab (Southland) was closed due to flood waters on the 13th.

Otago

Snow / IceSnow / Ice at Otago
Comments:

CommentAn unseasonal cold snap was experienced in Central Otago and Queenstown-Lakes on the 10th and 11th.

Physical CharacteristicTemperatures plummeted to low single digits.

CommentVery strong cold southerlies were coming up from Antarctica.

Physical CharacteristicSnow fell to 400 m in Central Otago.

High Wind GustsHigh Wind / Gust
Comments:

CommentSouthwesterly gales, some reaching gale force, swept the hilltops and exposed areas of Clutha and Dunedin on the 12th.

Snow / IceSnow / Ice at Alexandra
Map Location: -45.253862 169.375391
Comments:

CommentSnow fell on the hills around Alexandra overnight on the 10th.

High Wind GustsHigh Wind / Gust
Comments:

Property DamageA massive snow gum tree fell on the cab of a utility vehicle in Tarbert Street in Alexandra at about midday on the 12th. The driver had got out of it just minutes beforehand. Another 20 m tree in Prioneer Park was also dislodged by the strong wind and later had to be felled for safety reasons.

Physical CharacteristicThe wind gust that felled the tree was measured at 58 km/hr.

Affected LifelineThe gum tree blocked Tarbert Street, and traffic had to be diverted.

Affected LifelineAnother gum tree was blown over in Taylor Place and brought down power lines around midday.

HailHail at Catlins Heads
Map Location: -46.489995 169.721959
Comments:

CommentHail showers and driving rain occurred in the Caitlins.

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

CommentIcy rain fell in Dunedin on the 11th and sleet was reported on Three Mile Hill.

Physical CharacteristicDunedin had a temperature of 4 degC on the morning of the 11th.

CommentSome snow fell on the Northern Motorway.

High Wind GustsHigh Wind / Gust
Comments:

Peak Wind SpeedDunedin recorded gusts of 69 km/hr on the 12th.

High Wind GustsHigh Wind / Gust at Dunedin Airport
Map Location: -45.928643 170.198772
Comments:

Peak Wind SpeedDunedin Airport recorded gusts of 89 km/hr on the 12th.

Snow / IceSnow / Ice at Fruitlands
Map Location: -45.342549 169.302177
Comments:

CommentSnow covered the hillsides in Fruitlands on the 10th.

FloodingFlooding at Kelso
Map Location: -45.905986 169.231867
Comments:

Crop DamageA Kelso farmer had cut hay swept away and trapped in fences.

High Wind GustsHigh Wind / Gust at Oamaru
Map Location: -45.087138 170.980874
Comments:

Peak Wind SpeedOamaru recorded gusts of 50 km/hr on the 12th.

High Wind GustsHigh Wind / Gust at Outram
Map Location: -45.859829 170.220115
Comments:

Affected LifelinePower was cut to homes in parts of Outram and surrounding areas for up to 90 minutes on the 12th.

FloodingFlooding at Pomahaka
Map Location: -46.008839 169.237415
Comments:

Affected LifelineA bridge at Koi Flat was submerged by flood waters.

FloodingFlooding at Pomahaka River
Map Location: -45.879879 169.176184
Comments:

CommentSeveral days of heavy rain and melting snow caused the Pomahaka River to flood on the 13th.

ImpactA Tapanui district farmer had about 100 ha of his farm under water on the night of the 13th.

High Wind GustsHigh Wind / Gust at Port Chalmers
Map Location: -45.819968 170.626226
Comments:

Affected LifelinePower was cut in the West Harbour area around Sawyers Bay for three hours on the morning of the 11th, after a large macrocarpa tree brought down two power poles in Blanket Bay at about 11am. The areas affected were Blanket Bay, Mt Cargill, Pigeon Flat, Sawyers Bay and the Waitati Valley area.

Affected LifelineState Highway 88 between Dunedin and Port Chalmers was closed to northbound traffic after the power poles were brought down.

ImpactThe diversion on SH88 disrupted freight operations at the Port of Otago, as some trucks struggled to negotiate the alternative road.

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

Physical CharacteristicQueenstown recorded the lowest temperature of 4 degC at 7:30am on the 11th.

Affected LifelineOn the 11th, at least one flight into Queenstown was diverted to Invercargill and another was cancelled because of low cloud.

HailHail at Ranfurly
Map Location: -45.131163 170.112657
Comments:

CommentA hail storm was experienced at Ranfurly on the afternoon of the 10th.

Hail SizeHail stones measured 10 mm (1.0 cm).

Snow / IceSnow / Ice at The Remarkables
Map Location: -45.066913 168.798339
Comments:

CommentSnow covered The Remarkables on the 11th.

High Wind GustsHigh Wind / Gust at Taiaroa Head
Map Location: -45.773348 170.728425
Comments:

Peak Wind SpeedTaiaroa Head recorded gusts of 148 km/hr on the 12th.

FloodingFlooding at Tapanui
Map Location: -45.945409 169.268023
Comments:

DamageA car went into the flood waters on the Tapanui side of the Pomahaka River on the evening of the 12th and had to be abandoned.

High Wind GustsHigh Wind / Gust at Wanaka
Map Location: -44.706574 169.12357
Comments:

Peak Wind SpeedWanaka recorded gusts of 54 km/hr on the 12th.

Southland

High Wind GustsHigh Wind / Gust at Gore
Map Location: -46.095878 168.927462
Comments:

Peak Wind SpeedGore recorded gusts of 78 km/hr on the 12th.

References

Headline: Unseasonal cold snap slows growth.
www.thenews.co.nz, 12 March 2009.
Headline: Winter-like chill for southern farmers.
www.newstalkzb.co.nz, 11 March 2009, 3:08pm.
Headline: South hit by cold snap.
www.odt.co.nz, 11 March 2009, 9:22am.
Headline: Power cut hits Dunedin homes.
www.odt.co.nz, 11 March 2009, 11:57am.
Headline: Lucky escape as tree crushes ute.
www.odt.co.nz, 13 March 2009, 4:59am.
Headline: Otago coast lashed by 148kmh gales.
www.odt.co.nz, 13 March 2009, 5:33am.
Headline: Rain, melted snow, flood Pomahaka River.
www.odt.co.nz, 14 March 2009, 5:00am.
Headline: Winter falls early as temperatures drop.
www.stuff.co.nz, Source: Southland Times, 12 March 2009.
Headline: Couple lucky to be out of truck when tree squashes cab.
www.stuff.co.nz, Source: Southland Times, 13 March 2009, 5:00am.