# October 2021 ENSO update: La Niña is here! | NOAA Climate.gov

> NOAA Climate.gov reports that a second-year La Niña has formed in the tropical Pacific, with the September Niño-3.4 index at -0.5°C and an 87% chance of La Niña this winter. Subsurface cool water is strengthening, and models expect the cool conditions to persist through winter.

- Date: 2021-10-14 · published 2021-10-14T12:00:00.000Z
- Category: weather · region Global · magnitude medium
- Page: https://feedsoft.ai/events/44467-october-2021-enso-update-la-nina-is-here-noaa-climate-gov
- 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 during the 2022 crop season, which tends to support soybean, corn and meal prices through risk premiums.

## Read by commodity

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

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| CORN | 2022-10-13 | [October 2022 La Niña update: snack size \| NOAA Climate.gov](https://feedsoft.ai/events/39022-october-2022-la-nina-update-snack-size-noaa-climate-gov.md) | +1.6% | -1.2% |
| CORN | 2022-07-14 | [July 2022 La Niña update: comic timing \| NOAA Climate.gov](https://feedsoft.ai/events/40391-july-2022-la-nina-update-comic-timing-noaa-climate-gov.md) | -12.5% | -12.4% |
| CORN | 2022-11-10 | [November 2022 La Niña update: Let’s get some exercise \| NOAA Climate.gov](https://feedsoft.ai/events/38576-november-2022-la-nina-update-let-s-get-some-exercise-noaa-climate-gov.md) | +1.8% | -5.0% |
| CORN | 2022-05-12 | [May 2022 ENSO update: piece of cake \| NOAA Climate.gov](https://feedsoft.ai/events/41332-may-2022-enso-update-piece-of-cake-noaa-climate-gov.md) | -0.3% | -0.9% |
| CORN | 2024-11-14 | [November 2024 ENSO update: ask me anything \| NOAA Climate.gov](https://feedsoft.ai/events/27324-november-2024-enso-update-ask-me-anything-noaa-climate-gov.md) | +0.2% | +0.4% |
| SOY | 2022-10-13 | [October 2022 La Niña update: snack size \| NOAA Climate.gov](https://feedsoft.ai/events/39022-october-2022-la-nina-update-snack-size-noaa-climate-gov.md) | -1.7% | +4.6% |
| SOY | 2016-11-10 | [November 2016 La Niña update: Hello, lady! \| NOAA Climate.gov](https://feedsoft.ai/events/73775-november-2016-la-nina-update-hello-lady-noaa-climate-gov.md) | +0.8% | +5.7% |
| SOY | 2022-07-14 | [July 2022 La Niña update: comic timing \| NOAA Climate.gov](https://feedsoft.ai/events/40391-july-2022-la-nina-update-comic-timing-noaa-climate-gov.md) | -8.8% | +6.3% |

## Sources

- climate.gov: https://www.climate.gov/news-features/blogs/enso/october-2021-enso-update-la-ni%C3%B1a-here

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