Science

Sea surface temperature biases shift the North Pacific jet stream southward, study finds

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Based on a feed excerpt; full article content has not been acquired. Source evidence retrieved 19/09/2026, 09:55:10 UTC.

Briefings

A recent study published in September 2026 indicates that Sea Surface Temperature (SST) biases in climate models cause the North Pacific jet stream to shift southward. The research highlights that these model characteristics introduce significant errors into current climate simulations, which may compromise future projections. The study emphasizes the critical importance of understanding present-day biases to improve the reliability of long-term climate forecasts.

Key points

• Climate models simulate present-day climate but contain biases that affect future projections.
• SST biases in the North Pacific are linked to a southward shift of the jet stream.

Context and limitations

The study relies on existing model characteristics and does not provide specific data on the magnitude of the jet stream shift or the exact duration of the bias period.

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