NZ Historic Weather Events Catalogue
April 1976 Northland and Tasman-Nelson Winds and Flooding
(
1976-04-08
)
110-171 years
High winds were experienced in Northland and Tasman-Nelson. Extreme rainfall brought flooding to the northern Tasman-Nelson area, and one woman was drowned.
New Zealand
Multi Hazard
at
New Zealand
Duration: 2 days - From the 8th to the 9th of April.
A small but fairly intense low moved south-eastwards over the northern South Island. Upward motion was assisted by strong upper divergence, with a strongly difluent flow over the northern South Island. There was also CVA over the area.
Northland
High Wind / Gust
at
Cape Reinga
Cape Reinga recorded a peak wind gust of 108 knots (200 km/hr) on the 8th, at 060 degrees true.
Wellington
High Wind / Gust
at
Cook Strait
There were southerly gales in Cook Strait on the 9th.
Tasman-Nelson
Flooding
at
Tasman-Nelson
Northern Tasman-Nelson experienced flooding on the 9th.
High Wind / Gust
at
Farewell Spit
Farewell Spit recorded winds of 25 kt (46 km/hr) at 9am on the 9th, at 070 degrees true.
Flooding
at
Graham River
A woman died when the bridge she was standing on in the Graham Valley was swept away.
Heavy Rain
at
Moss Bush
Moss Bush recorded 151 mm (15.1 cm) of rain in six hours (Return Period 111 years).
Moss Bush recorded 139 mm 13.9 cm) of rain in four hours (Return Period 171 years).
Moss Bush recorded 92 mm (9.2 cm) of rain in two hours (Return Period about 110 years).
High Wind / Gust
at
Nelson city
Nelson City recorded easterly winds of 20 kt (37 km/hr) at 9am on the 9th.
Heavy Rain
at
Riwaka
There was a short period of localised, very high intensity rain in the Riwaka area, generated within a convergence zone between north-easterlies and easterlies.
References
- New Zealand Meteorological Service, Technicial Information Circular No.191, Extreme Wind Gusts.
- New Zealand Meteorological Service. (2008). Meteorology of Extreme Rainfalls in New Zealand (Mark Pascoe, Ed.).
April 1976 Northland and Tasman-Nelson Winds and Flooding
(
1976-04-08
)
110-171 years
High winds were experienced in Northland and Tasman-Nelson. Extreme rainfall brought flooding to the northern Tasman-Nelson area, and one woman was drowned.
New Zealand
Multi Hazard
at
New Zealand
Duration: 2 days - From the 8th to the 9th of April.
A small but fairly intense low moved south-eastwards over the northern South Island. Upward motion was assisted by strong upper divergence, with a strongly difluent flow over the northern South Island. There was also CVA over the area.
Northland
High Wind / Gust
at
Cape Reinga
Cape Reinga recorded a peak wind gust of 108 knots (200 km/hr) on the 8th, at 060 degrees true.
Wellington
High Wind / Gust
at
Cook Strait
There were southerly gales in Cook Strait on the 9th.
Tasman-Nelson
Flooding
at
Tasman-Nelson
Northern Tasman-Nelson experienced flooding on the 9th.
High Wind / Gust
at
Farewell Spit
Farewell Spit recorded winds of 25 kt (46 km/hr) at 9am on the 9th, at 070 degrees true.
Flooding
at
Graham River
A woman died when the bridge she was standing on in the Graham Valley was swept away.
Heavy Rain
at
Moss Bush
Moss Bush recorded 151 mm (15.1 cm) of rain in six hours (Return Period 111 years).
Moss Bush recorded 139 mm 13.9 cm) of rain in four hours (Return Period 171 years).
Moss Bush recorded 92 mm (9.2 cm) of rain in two hours (Return Period about 110 years).
High Wind / Gust
at
Nelson city
Nelson City recorded easterly winds of 20 kt (37 km/hr) at 9am on the 9th.
Heavy Rain
at
Riwaka
There was a short period of localised, very high intensity rain in the Riwaka area, generated within a convergence zone between north-easterlies and easterlies.
References
- New Zealand Meteorological Service, Technicial Information Circular No.191, Extreme Wind Gusts.
- New Zealand Meteorological Service. (2008). Meteorology of Extreme Rainfalls in New Zealand (Mark Pascoe, Ed.).