What is La Niña? | El Nino Theme Page - A comprehensive Resource
What is La Niña? ... La Niña is characterized by unusually cold ocean temperatures in the Equatorial Pacific, compared to El Niño, which is characterized by ...
U.S. La Niña
At higher latitudes, El Niño and La Niña are among a number of factors that influence climate. However, the impacts of El Niño and La Niña at these latitudes are most clearly seen in wintertime. In the continental US, during El Niño years, temperatures in the winter are warmer than normal in the North Central States, and cooler than normal in the Southeast and the Southwest. During a La Niña year, winter temperatures are warmer than normal in the Southeast and cooler than normal in the Northwest. See <anchor>U.S. La Niña</anchor> impacts from the National Weather Service.
## Seasonal Mean Temperatures and Precipitation for the United States during Strong La Niñas
## Seasonal Mean Temperatures and Precipitation for the United States during Strong La Niñas

### **[Description](description.html\#Description)**

 **[Case Selection](description.html#Cases)**

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### Rank Maps

**TEMPERATURE****PRECIPITATION**\_

\_

[October-December](trank/ondninatr.gif)

[November-January](trank/ndjninatr.gif)

[December-February](trank/djfninatr.gif)

[January-March](trank/jfmninatr.gif)

[February-April](trank/fmaninatr.gif)

[March-May](trank/mamninatr.gif)

[April-June](trank/amjninatr.gif)

[Dec-Jan](trank/dj-ninatr.gif)

[Jan-Feb](trank/jf-ninatr.gif)

[Feb-Mar](trank/fm-ninatr.gif)

[Mar-Apr](trank/ma-ninatr.gif)

\_

\_

[October-December](prank/ondninapr.gif)

[November-January](prank/ndjninapr.gif)

[December-February](prank/djfninapr.gif)

[January-March](prank/jfmninapr.gif)

[February-April](prank/fmaninapr.gif)

[March-May](prank/mamninapr.gif)

[April-Jun](prank/amjninapr.gif)

[May-July](prank/mjjninapr.gif)

[June-August](prank/jjaninapr.gif)

[July-September](prank/jasninapr.gif)[Sep-Oct](prank/so-ninapr.gif)

[Oct-Nov](prank/on-ninapr.gif)

[Nov-Dec](prank/nd-ninapr.gif)

[Dec-Jan](prank/dj-ninapr.gif)

[Jan-Feb](prank/jf-ninapr.gif)

[Feb-Mar](prank/fm-ninapr.gif)

[Mar-Apr](prank/ma-ninapr.gif)

[Apr-May](prank/am-ninapr.gif)

[May-Jun](prank/mj-ninapr.gif)

[Aug-Sep](prank/as-ninapr.gif)

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### Distribution Maps

**TEMPERATURE****PRECIPITATION**\_

\_

[October-December](tdist/ondninatc.gif)

[November-January](tdist/ndjninatc.gif)

[December-February](tdist/djfninatc.gif)

[January-March](tdist/jfmninatc.gif)

[February-April](tdist/fmaninatc.gif)

[March-May](tdist/mamninatc.gif)

[April-June](tdist/amjninatc.gif)

[Dec-Jan](tdist/dj-ninatc.gif)

[Jan-Feb](tdist/jf-ninatc.gif)

[Feb-Mar](tdist/fm-ninatc.gif)

[Mar-Apr](tdist/ma-ninatc.gif)

\_

\_

[October-December](pdist/ondninapc.gif)

[November-January](pdist/ndjninapc.gif)

[December-February](pdist/djfninapc.gif)

[January-March](pdist/jfmninapc.gif)

[February-April](pdist/fmaninapc.gif)

[March-May](pdist/mamninapc.gif)

[April-Jun](pdist/amjninapc.gif)

[May-July](pdist/mjjninapc.gif)

[June-August](pdist/jjaninapc.gif)

[July-September](pdist/jasninapc.gif)[Sep-Oct](pdist/so-ninapc.gif)

[Oct-Nov](pdist/on-ninapc.gif)

[Nov-Dec](pdist/nd-ninapc.gif)

[Dec-Jan](pdist/dj-ninapc.gif)

[Jan-Feb](pdist/jf-ninapc.gif)

[Feb-Mar](pdist/fm-ninapc.gif)

[Mar-Apr](pdist/ma-ninapc.gif)

[Apr-May](pdist/am-ninapc.gif)

[May-Jun](pdist/mj-ninapc.gif)

[Aug-Sep](pdist/as-ninapc.gif)

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### Contact: [Dr. Robert E. Livezey,\ livezey@sgi84.wwb.noaa.gov](mailto:livezey@sgi84.wwb.noaa.gov)