# IRI – International Research Institute for Climate and Society | 2017 November Quick Look

> The IRI's November 2017 ENSO Quick Look says weak La Niña conditions were present in mid-November in the tropical Pacific. The latest model collection favors weak La Niña for the rest of northern fall and winter, and the official CPC/IRI outlook carries a La Niña advisory.

- Date: 2017-11-20 · published 2017-11-20T12:00:00.000Z
- Category: weather · region Global · magnitude low
- Page: https://feedsoft.ai/events/67909-iri-international-research-institute-for-climate-and-society-2017-november
- Commodities: [Corn](https://feedsoft.ai/c/CORN.md), [Soybeans](https://feedsoft.ai/c/SOY.md), [Wheat (SRW)](https://feedsoft.ai/c/WHEAT.md), [Palm Oil](https://feedsoft.ai/c/PALMOIL.md)

## Why it matters

A persistent La Niña raises the risk of dry weather in South American crop areas and in parts of the US south, which can support soybean and corn prices. The signal is weak, so the price effect is likely limited for now.

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| CORN | 2018-11-19 | [IRI – International Research Institute for Climate and Society \| 2018 November Quick Look](https://feedsoft.ai/events/61967-iri-international-research-institute-for-climate-and-society-2018-november.md) | -1.4% | +8.5% |
| CORN | 2019-11-19 | [IRI – International Research Institute for Climate and Society \| 2019 November Quick Look](https://feedsoft.ai/events/55979-iri-international-research-institute-for-climate-and-society-2019-november.md) | +0.6% | +2.5% |
| CORN | 2025-11-19 | [IRI – International Research Institute for Climate and Society \| November 2025 Quick Look](https://feedsoft.ai/events/21854-iri-international-research-institute-for-climate-and-society-november-2025.md) | -2.0% | +0.1% |
| CORN | 2017-10-19 | [IRI – International Research Institute for Climate and Society \| 2017 October Quick Look](https://feedsoft.ai/events/68373-iri-international-research-institute-for-climate-and-society-2017-october-quick.md) | +0.4% | -5.5% |
| CORN | 2018-12-19 | [IRI – International Research Institute for Climate and Society \| 2018 December Quick Look](https://feedsoft.ai/events/61498-iri-international-research-institute-for-climate-and-society-2018-december.md) | -0.4% | +1.2% |
| SOY | 2018-11-19 | [IRI – International Research Institute for Climate and Society \| 2018 November Quick Look](https://feedsoft.ai/events/61967-iri-international-research-institute-for-climate-and-society-2018-november.md) | -3.4% | +1.7% |
| SOY | 2019-11-19 | [IRI – International Research Institute for Climate and Society \| 2019 November Quick Look](https://feedsoft.ai/events/55979-iri-international-research-institute-for-climate-and-society-2019-november.md) | -2.0% | +2.0% |
| SOY | 2025-11-19 | [IRI – International Research Institute for Climate and Society \| November 2025 Quick Look](https://feedsoft.ai/events/21854-iri-international-research-institute-for-climate-and-society-november-2025.md) | -2.5% | -8.3% |

## Sources

- iri.columbia.edu: https://iri.columbia.edu/our-expertise/climate/forecasts/enso/2017-november-quick-look/

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