Climate Update 77 - November 2005

November

October's climate

Global setting & climate outlook

Feature article

Feature article

Livestock farmers cope with climate variability

Debris caused extensive damage to farm fences during a recent North Island east coast flood.

The climate of the Gisborne district is highly variable and frequently poses severe risks to livestock farming. El Niño seasons are typically dry, and La Niña seasons are often wet.

October's climate

New Zealand climate in October 2005

Temperature (click to enlarge).

Rainfall (click to enlarge).

Contrasting rainfall patterns between the North and South Islands were a feature of the October climate. Gisborne, Hawke’s Bay, Auckland, and Waikato were extremely wet, while much of the South Island was very dry.
Air temperatures were above average in the northern half of the North Island, and below average in many other regions, especially parts of Marlborough and Canterbury.

November

A monthly newsletter from the National Climate Centre.
November 2005 – Number 77
October - wet and warm in the north; very dry in parts of the South Island and cool in some areas.
Outlook for November to January - air temperatures are likely to be average to above average across New Zealand. Normal rainfall in most areas, but possibly drier than normal in the east of the North Island.
In this issue

October's climate
Global setting & climate outlook
Feature article - Livestock farmers cope with climate variability?

Cover image
Mustering sheep in the Wairarapa hill country.

Global setting & climate outlook

Global setting
El Niño-Southern Oscillation neutral at least until autumn

Difference from average global SST (click to enlarge).

Monthly SOI values (click to enlarge).

The tropical Pacific is in a neutral state (no El Niño or La Niña), although sea surface temperatures near the Date Line remain a little above average.
The SOI was positive in October (+1.0), but the 3-month August to October average was near zero (+0.1). Near neutral conditions are expected through to autumn 2006.
For the coming cyclone season (November-April), normal cyclone activity is expected.