SEVERE WEATHER WARNING.
ISSUED BY MetService AT 9:09am 17-Apr-2014
URGENT - IMMEDIATE BROADCAST IN: Northland, Auckland, Coromandel
Peninsula, Bay Of Plenty Rotorua, Gisborne, Taranaki, Wairarapa,
Wellington, Nelson, Marlborough, Canterbury, Otago, Waikato, Taupo,
Taihape, Taumarunui, Wanganui, Manawatu, Buller, Westland
HEAVY RAIN AND STRONG WINDS FORECAST FOR MANY PARTS OF NORTHERN AND
CENTRAL NEW ZEALAND
A deep low lying west of the upper North Island is forecast to move
south today to lie slow moving west of central New Zealand by Friday.
Easterly gales are expected over many parts of northern and central
New Zealand today, gradually easing from the north. Severe gales are
likely for a time about exposed western and central areas from
Northland down to Wellington and also about northern and western
parts of the South Island. Gusts of 110 to 140 km/h are likely in
exposed parts of these areas during Thursday, which have the
potential to damage trees, powerlines and unsecure structures, and
make driving hazardous.
A burst of heavy rain is also expected for many parts of the North
Island and northern and eastern parts of the South Island. The rain
is easing in Northland this morning, but further significant falls
are expected about Auckland until early afternoon and about
Coromandel, Bay of Plenty, Gisborne, the eastern hills of Wellington,
the Tararua Range, the Nelson and Marlborough ranges today and
possibly on Friday for some areas. Warning amounts of rain are also
expected over Canterbury and eastern Otago later today and Friday.
People in these areas are advised to watch out for rapidly rising
streams and rivers, surface flooding, slips and hazardous driving
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HEAVY RAIN WARNING
AREA/S AFFECTED: NORTHLAND NORTH OF WHANGAREI
Heavy rain is easing from the north this morning, with another 20 to
30mm likely south of about Kaikohe through to late morning.
AREA/S AFFECTED: AUCKLAND
Rain, with heavy and possibly thundery falls, is forecast to ease by
early afternoon. Another 30 to 50mm is likely between 9am and 1pm
today, with rates of 20mm per hour for a time and possibly higher in
AREA/S AFFECTED: COROMANDEL PENINSULA AND WESTERN BAY OF PLENTY
Heavy rain is expected to ease mid to late afternoon. In the 8 hours
from 9am to 5pm Thursday, expect another 100 to 120mm about the
ranges on top of what has already fallen, with another 50mm in low
lying areas. Note, another burst of heavy rain is likely about
western Bay of Plenty during Friday.
AREA/S AFFECTED: GISBORNE AND EASTERN BAY OF PLENTY RANGES
Heavy rain is expected today and possibly again during Friday. In the
12 hours from 10am to 10pm Thursday expect 120 to 140mm to
accumulate, mainly about the Raukumara Range and the hill country
south of Gisborne City. Peak intensities 20 to 30mm per hour this
afternoon and early evening.
AREA/S AFFECTED: TARANAKI
Further heavy rain is expected about Mt Taranaki through to late this
afternoon and possibly again during Friday.In the 8 hours from 9am to
5pm Thursday, expect a further 120 to 150mm of rain about higher
slopes of Mt Taranaki, with 50mm about some lower lying areas.
AREA/S AFFECTED: THE TARARUA RANGE
Periods of heavy rain are expected through to tonight before easing.
In the 14 hours from 9am to 11pm Thursday expect another 70 to 100mm
to accumulate on top of what has already fallen. Peak intensities 10
to 15mm per hour this afternoon and evening.
AREA/S AFFECTED: EASTERN HILLS OF WELLINGTON
Periods of heavy rain are expected at times today. In the 14 hours
from 9am to 11pm Thursday, expect 80 to 100mm to accumulate. Peak
intensities of 10 to 15mm per hour this afternoon and evening.
AREA/S AFFECTED: NELSON
Periods of heavy rain can be expected today and again tomorrow,
especially about the ranges. In the 15 hours from 9am to midnight
Thursday, expect 150 to 200mm about the ranges of northwest Nelson,
with 50 to 80mm about some low lying areas. Heaviest falls are
expected this afternoon and evening, when rates could reach 25 to
35mm per hour about the ranges of northwest Nelson. Note, another 80
to 100mm of rain is possible about the ranges of northwest Nelson
FREEZING LEVEL: 3200 metres.
AREA/S AFFECTED: MARLBOROUGH, INCLUDING THE RICHMOND RANGES AND THE
KAIKOURA COAST AND RANGES
Periods of heavy rain can be expected through to early Friday
morning, especially about the ranges. In the 21 hours from 9am
Thursday to 6am Friday, expect 200 to 300mm about the ranges, with 70
to 100mm about some low lying areas. Heaviest falls are expected
during afternoon and evening, when rates could reach 20 to 30mm per
hour about the ranges.
FREEZING LEVEL: About 3000 metres.
AREA/S AFFECTED: CANTERBURY
Rain is expected to pick up today, with heavy falls developing about
the foothills and Banks Peninsula by evening. Sleet is possible above
600 metres at first. In the 24 hours from midday Thursday north of
Christchurch and 3pm south of Christchurch expect 120 to 150mm to
accumulate about the foothills and higher parts of Banks Peninsula,
with 50 to 70mm about lower lying areas, including Christchurch City.
FREEZING LEVEL: 1000 metres at first, but quickly rising to 2500
metres during Thursday afternoon and evening.
AREA/S AFFECTED: EASTERN OTAGO FROM DUNEDIN NORTHWARDS
Rain is expected to pick up this evening and become heavy at times
early Friday morning before easing overnight Friday. In the 24 hours
from midnight Thursday to midnight Friday, expect 120 to 180mm about
higher parts of North Otago and 50 to 90mm elsewhere, including
FREEZING LEVEL: Around 1200 metres at first, but quickly rising to
2400 metres overnight Thursday.
STRONG WIND WARNING
AREA/S AFFECTED: NORTHLAND
Severe northeast gales, gusting 120 km/h in exposed places are
forecast to gradually ease from the north this morning.
AREA/S AFFECTED: AUCKLAND
Severe northeast gales, gusting 120 km/h in exposed areas are
forecast to ease early this afternoon.
AREA/S AFFECTED: COROMANDEL PENINSULA AND EASTERN WAIKATO NEAR THE
Severe easterly gales, gusting 120 km/h in exposed areas are forecast
to ease around mid-afternoon.
AREA/S AFFECTED: THE CENTRAL NORTH ISLAND HIGH COUNTRY AND HIGHER
PARTS OF TARANAKI
Easterly gales are forecast to develop this morning, with severe
gales gusting 120 km/h expected in exposed areas between 9am and 6pm
AREA/S AFFECTED: MANAWATU AND HOROWHENUA KAPITI COAST
Easterly gales are forecast to develop later this morning, with
severe gales gusting 120 km/h expected in exposed areas between
midday and 9pm today.
AREA/S AFFECTED: NORTHERN WELLINGTON AND EXPOSED HILL TOPS AND ALSO
THE MARLBOROUGH SOUNDS
Southeast gales are expected today, with severe gales gusting 120
km/h in exposed areas between 9am and 9pm Thursday.
AREA/S AFFECTED: BULLER AND WESTLAND
Severe southeast gales are expected today, gusting 140 km/h in
exposed areas, easing overnight Thursday.
AREA/S AFFECTED: NELSON
East to southeast gales are expected in exposed areas today, with
possible gusts of 110 km/h between 9am and 6pm, mainly about higher
areas and exposed parts of Golden Bay.
NEXT SEVERE WEATHER WARNING WILL BE ISSUED AT OR BEFORE
9:00pm Thursday 17-Apr-2014
Forecast prepared by: Andy Downs
For further information after 2pm contact Duty Forecaster Leigh
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