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Developing atmospheric conditions in the equatorial Pacific Ocean point to La Niña weather conditions prevailing over New Zealand by Christmas according to NIWA senior climate scientist Dr Brett Mullan.
Climate statistics disclose that the global heatwave of 1998 is also affecting New Zealand.
Globally, February 1998 was the most above average month in the instrumental climate record.
Extremely hot nor’westers tumbled March temperature records in Canterbury and North Otago yesterday.
The current El Niño episode in the Pacific is weakening and is expected to have departed by mid-winter, according to NIWA senior climate scientist Dr Jim Salinger.