How El Niño and La Niña affect the winter jet stream and U.S.
![](https://www.climate.gov/sites/default/files/2021-07/Ninos_ninafirst_620.jpg)
Last week, NOAA issued a La Niña watch, indicating conditions are favorable for the development of La Niña this winter. What does a La Niña winter typically mean for the U.S.?
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A La Niña winter coming in Iowa: What does that mean?
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Winter 2023-2024: El Niño is back, but will this one be different?
![](https://www.climate.gov/sites/default/files/SubSurfTemp_2016Mar14-May3_480.jpg)
Rebecca Lindsey NOAA
![](https://www.severe-weather.eu/wp-content/gallery/long-range/winter-season-la-nina-jet-stream-change-united-states-temperature-weather-pattern-snow-cover.png)
An El Nino event has emerged in the Forecast for 2023, while the Cold La Nina impacts this Winter weather season for the final time » Severe Weather Europe
![](https://npr.brightspotcdn.com/c8/fa/5ac0a6ca4490aa926d7af9500091/slot0.jpeg)
El Nino contributed to Florida's cool winter, a summer La Nina could influence hurricane season
![](https://static01.nyt.com/images/2014/09/09/multimedia/how-it-happens-el-nino/how-it-happens-el-nino-superJumbo.jpg)
La Niña Has Ended, and El Niño May Be on the Way - The New York Times
![](https://www.researchgate.net/publication/325744113/figure/fig4/AS:637107412426755@1528909652840/NZI-affects-the-upper-zonal-winds-in-the-northeastern-Pacific-and-modulates-SWUS_Q320.jpg)
PDF) A new interhemispheric teleconnection increases predictability of winter precipitation in southwestern US
![](https://agupubs.onlinelibrary.wiley.com/cms/asset/eb7e78e3-c54e-419f-8235-fe7955790eb7/wrcr26007-fig-0008-m.png)
Hotspots of Predictability: Identifying Regions of High Precipitation Predictability at Seasonal Timescales From Limited Time Series Observations - Mamalakis - 2022 - Water Resources Research - Wiley Online Library
This winter's El Nino is projected to be strong