# IRI – International Research Institute for Climate and Society | October Climate Briefing: La Niña Comes Knocking

> The IRI October climate briefing reports tropical Pacific sea-surface temperatures in the moderate La Niña range, with all atmospheric indicators consistent with La Niña. Model runs predict moderate or possibly strong La Niña through winter with about a 90% probability.

- Date: 2020-10-23 · published 2020-10-23T12:00:00.000Z
- Category: weather · region Global · magnitude medium
- Page: https://feedsoft.ai/events/50562-iri-international-research-institute-for-climate-and-society-october-climate
- Commodities: [Corn](https://feedsoft.ai/c/CORN.md), [Soybeans](https://feedsoft.ai/c/SOY.md), [Wheat (SRW)](https://feedsoft.ai/c/WHEAT.md)

## Why it matters

La Niña raises the risk of drought in South America and the US Plains, which can cut soybean and corn yields and support grain prices into the winter.

## Read by commodity

- SOY: bullish ▲
- CORN: bullish ▲
- WHEAT: neutral

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| CORN | 2017-12-27 | [IRI – International Research Institute for Climate and Society \| December Climate Briefing: New Year, Same La Niña](https://feedsoft.ai/events/67399-iri-international-research-institute-for-climate-and-society-december-climate.md) | +0.4% | +1.3% |
| CORN | 2020-07-21 | [IRI – International Research Institute for Climate and Society \| July Climate Briefing: La Niña Watch Issued](https://feedsoft.ai/events/52035-iri-international-research-institute-for-climate-and-society-july-climate.md) | -0.3% | +2.6% |
| CORN | 2016-11-22 | [IRI – International Research Institute for Climate and Society \| November Climate Briefing: La Niña Arrives, Some Impacts Likely](https://feedsoft.ai/events/73773-iri-international-research-institute-for-climate-and-society-november-climate.md) | -3.6% | -0.8% |
| CORN | 2020-08-20 | [IRI – International Research Institute for Climate and Society \| August Climate Briefing: La Niña Seeming More Likely](https://feedsoft.ai/events/51518-iri-international-research-institute-for-climate-and-society-august-climate.md) | +2.7% | +10.2% |
| CORN | 2017-09-28 | [IRI – International Research Institute for Climate and Society \| September Climate Briefing: Surprise La Niña or Ephemeral Cooling?](https://feedsoft.ai/events/68869-iri-international-research-institute-for-climate-and-society-september-climate.md) | +2.6% | +2.3% |
| SOY | 2017-12-27 | [IRI – International Research Institute for Climate and Society \| December Climate Briefing: New Year, Same La Niña](https://feedsoft.ai/events/67399-iri-international-research-institute-for-climate-and-society-december-climate.md) | +0.1% | +3.4% |
| SOY | 2020-07-21 | [IRI – International Research Institute for Climate and Society \| July Climate Briefing: La Niña Watch Issued](https://feedsoft.ai/events/52035-iri-international-research-institute-for-climate-and-society-july-climate.md) | +0.4% | +1.1% |
| SOY | 2016-11-22 | [IRI – International Research Institute for Climate and Society \| November Climate Briefing: La Niña Arrives, Some Impacts Likely](https://feedsoft.ai/events/73773-iri-international-research-institute-for-climate-and-society-november-climate.md) | +2.2% | -1.5% |

## Sources

- iri.columbia.edu: https://iri.columbia.edu/news/october-climate-briefing-la-nina-comes-knocking/

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Data from Feedsoft AI (https://feedsoft.ai/). For information only; not investment advice.