Ex-tropical cyclone Yali brought high winds, heavy rain, high seas and some flooding to all regions in the South Island as well as Wellington. One person was drowned in the sea in Taranaki.
A deep depression, former tropical cyclone "Yali", moved from the Tasman Sea across the South Island, deepening rapidly. On the 28th, Yali accelerated southeast over the central Tasman, entrained in the northwesterly "steering" flow ahead of an approaching trough over Tasmania.
The storm's main impact was gale force winds, with heavy rain a less important factor.
Due to Yali's fast movement, the worst of the gales and heavy rain was confined to a period of less than 12 hours.
The Tararuas recorded rainfall totals exceeding 100 mm (10 cm).
Four Lynx ferry sailings were cancelled.
Trees blown over by gales closed a major route between Nelson and Picton.
Near New Plymouth, a youth was washed into the sea and drowned.
Northerly gales lifted house roofs.
Power was cut in some places.
A car was hit by a flying billboard, trees were felled and windows were blown in.
Castlepoint recorded a peak wind gust of 156 km/hr.
The wind blew roofing off Badminton Hall.
Mt Kaukau recorded a peak wind gust of 165 km/hr.
Mt Kaukau recorded an average wind speed of 130 km/hr.
In Paraparaumu house basements were flooded after a sudden deluge of rain.
Beacon Hill, Seatoun, recorded a peak wind gust of 139 km/hr.
In Waikanae house basements were flooded after a sudden deluge of rain.
The high winds disrupted flights at Wellington Airport. Some aircraft were diverted from a dangerous landing in the airport and flights out of Wellington were delayed on the 29th.
Power cuts caused by fallen power lines occurred in Marlborough.
Rapaura Road was closed after trees were blown over by the winds.
Northwest Nelson recorded rainfall totals exceeding 100 mm (10 cm).
Power cuts caused by fallen power lines occurred in Nelson.
Rough seas and a high tide caused sea flooding at Ruby Bay.
Power cuts caused by fallen power lines occurred along the West Coast.
The West Coast recorded rainfall totals exceeding 100 mm (10 cm).
Cropp recorded 267 mm (26.7 cm) of rain - the heaviest rainfall for this event.
Hokitika recorded an average wind speed of 65 km/hr - only the second gale averaging 34 knots (63 km/hr) or more in six years.
Hokitika recorded a peak gust of 102 km/hr.
Westport suffered sea flooding.
Many inland roads became treacherous for driving.
Power cuts caused by fallen power lines occurred in Banks Peninsula.
Power cuts caused by fallen power lines occurred in Christchurch.
Mt Cook Aerodrome recorded a wind gust of 156 km/hr.
The winds whipped up sea waves, which damaged the esplanade in Dunedin.
Southland was hit by severe winds and driving rain on the 29th.
Power was cut to some areas.
Some roofs were lifted.
Winds averaged between 67 km/hr and 80 km/hr on the afternoon of the 29th, but eased to between 40 km/hr and 55 km/hr by the evening.
There was minor flooding in places.
Rivers through the region were high but not extreme.
31 mm (3.1 cm) of rain fell in 13 hours from 3am to 11am on the 29th.
On the 29th, the sea level at Bluff was 1.65 m above mean sea level.
Power was lost in Gorge Road at about 1:15pm after trees fell on to power lines.
Waters threatened to top the estuary stopbank, being level with the top of the stopbank at about 3pm. The high water level was caused by a combination of a high spring tide, wind and rain.
Paddocks on one farm were flooded as water spilled over low areas of the stopbank and water also gushed through a shed on the stopbank.
On the 29th, the Invercargill estuary at the Stead Street Bridge recorded a level of 2.51 m above mean sea level. This was the highest level recorded between 1992 and 2002 and was within 0.06 m of the record level. This had an annual return period of 11.2 years.
Invercargill recorded a peak gust of 111 km/hr on the 29th.
Power was lost in Kennington at about 1:15pm after trees fell on to power lines.
Power was lost in Te Peku at about 1:15pm after trees fell on to power lines.
Power was lost in Waituna at about 1:15pm after trees fell on to power lines.
Ex-tropical cyclone Yali brought high winds, heavy rain, high seas and some flooding to all regions in the South Island as well as Wellington. One person was drowned in the sea in Taranaki.
A deep depression, former tropical cyclone "Yali", moved from the Tasman Sea across the South Island, deepening rapidly. On the 28th, Yali accelerated southeast over the central Tasman, entrained in the northwesterly "steering" flow ahead of an approaching trough over Tasmania.
The storm's main impact was gale force winds, with heavy rain a less important factor.
Due to Yali's fast movement, the worst of the gales and heavy rain was confined to a period of less than 12 hours.
The Tararuas recorded rainfall totals exceeding 100 mm (10 cm).
Four Lynx ferry sailings were cancelled.
Trees blown over by gales closed a major route between Nelson and Picton.
Near New Plymouth, a youth was washed into the sea and drowned.
Northerly gales lifted house roofs.
Power was cut in some places.
A car was hit by a flying billboard, trees were felled and windows were blown in.
Castlepoint recorded a peak wind gust of 156 km/hr.
The wind blew roofing off Badminton Hall.
Mt Kaukau recorded a peak wind gust of 165 km/hr.
Mt Kaukau recorded an average wind speed of 130 km/hr.
In Paraparaumu house basements were flooded after a sudden deluge of rain.
Beacon Hill, Seatoun, recorded a peak wind gust of 139 km/hr.
In Waikanae house basements were flooded after a sudden deluge of rain.
The high winds disrupted flights at Wellington Airport. Some aircraft were diverted from a dangerous landing in the airport and flights out of Wellington were delayed on the 29th.
Power cuts caused by fallen power lines occurred in Marlborough.
Rapaura Road was closed after trees were blown over by the winds.
Northwest Nelson recorded rainfall totals exceeding 100 mm (10 cm).
Power cuts caused by fallen power lines occurred in Nelson.
Rough seas and a high tide caused sea flooding at Ruby Bay.
Power cuts caused by fallen power lines occurred along the West Coast.
The West Coast recorded rainfall totals exceeding 100 mm (10 cm).
Cropp recorded 267 mm (26.7 cm) of rain - the heaviest rainfall for this event.
Hokitika recorded an average wind speed of 65 km/hr - only the second gale averaging 34 knots (63 km/hr) or more in six years.
Hokitika recorded a peak gust of 102 km/hr.
Westport suffered sea flooding.
Many inland roads became treacherous for driving.
Power cuts caused by fallen power lines occurred in Banks Peninsula.
Power cuts caused by fallen power lines occurred in Christchurch.
Mt Cook Aerodrome recorded a wind gust of 156 km/hr.
The winds whipped up sea waves, which damaged the esplanade in Dunedin.
Southland was hit by severe winds and driving rain on the 29th.
Power was cut to some areas.
Some roofs were lifted.
Winds averaged between 67 km/hr and 80 km/hr on the afternoon of the 29th, but eased to between 40 km/hr and 55 km/hr by the evening.
There was minor flooding in places.
Rivers through the region were high but not extreme.
31 mm (3.1 cm) of rain fell in 13 hours from 3am to 11am on the 29th.
On the 29th, the sea level at Bluff was 1.65 m above mean sea level.
Power was lost in Gorge Road at about 1:15pm after trees fell on to power lines.
Waters threatened to top the estuary stopbank, being level with the top of the stopbank at about 3pm. The high water level was caused by a combination of a high spring tide, wind and rain.
Paddocks on one farm were flooded as water spilled over low areas of the stopbank and water also gushed through a shed on the stopbank.
On the 29th, the Invercargill estuary at the Stead Street Bridge recorded a level of 2.51 m above mean sea level. This was the highest level recorded between 1992 and 2002 and was within 0.06 m of the record level. This had an annual return period of 11.2 years.
Invercargill recorded a peak gust of 111 km/hr on the 29th.
Power was lost in Kennington at about 1:15pm after trees fell on to power lines.
Power was lost in Te Peku at about 1:15pm after trees fell on to power lines.
Power was lost in Waituna at about 1:15pm after trees fell on to power lines.