Weather Risk

North Island

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Forecast DateFar North
NAL		AK
NIMT, ECMT, Auckland		BOP
ECMT		West NI
NIMT, MNPL		East NI
PNGL, WRAPA		WN
NIMT, WRAPA, Wellington		See forecast details below
Fri 27 Dec
Sat 28 Dec
Southerly wind gusts 80+ km/h before about 7 am for East NI in the Napier and Wairoa areas.
Sun 29 Dec
No significant weather.
Mon 30 Dec
Rain with some thunderstorms and downpours spread over the North Island. Risk of 25+ mm in many places south of Hamilton, including BOP.
Tue 31 Dec
1. Rain for many areas with 25+ mm about and south of a line Taranaki to Central Plateau to Wairoa. [Risk of 50+ mm for East NI.] 2. Southerly wind gusts 80+ km/h for WN and area from about Whanganui to Stratford. 3. Risk of southwest wind gusts 80+ km/h developing for exposed parts of AK and Far North south of about Helensville.

South Island

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Forecast DateWest Coast
MIDLND, SNL, HKTKA		Upper SI
MNL, MIDLND, Christchurch		Lower SI
MSL		See forecast details below
Fri 27 Dec
Sat 28 Dec
No significant weather.
Sun 29 Dec
Rain for Southland with totals reaching 25 mm in some places by late.
Mon 30 Dec
1. Rain spreads across the South Island with totals 25+ mm in many places on MNL/MSL north of about Balclutha, and for Midland line. Rain eases south of Timaru later. 2. Scattered heavy pm/evening showers with thunderstorms/downpours for West Coast. Some places get 25+ mm in a short period. 3. Southwest wind gusts 80+ km/h develop for exposed places on MNL, esp. Lyttleton and Kaikoura Coast.
Tue 31 Dec
1. Rain eases from south on MNL during day. Some places get another 25 mm, including for Midland line east of Avoca. 2. Southwest wind gusts 80+ km/h for exposed parts of MNL ease during the day. 3. Southeast wind gusts 80+ km/h for a time for inland Midland line west of Arthurs Pass.

Colour Key

Non-impacting weather expected
Active weather - but with minimal impact expected (see comments). Note that -active weather- is based on 24-hour rainfall totals >25 mm, wind gusts >80 km/h, and snow accumulation >5 cm etc.
Significant weather expected - potential for impacts on network at some locations (see underlined comments). Additional email updates to be issued with focus on high risk areas.
Significant weather expected - potential for widespread impacts on network (see underlined bold comments). Additional email updates to be issued with focus on high risk areas.