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Earth Spinning

El Niño/ Southern Oscillation
 
The current ENSO state: moderate La Niña.

Read the CPC's latest ENSO diagnostic discussion here.

Correlation of ENSO to air temperature in US winters.

enso34airt19502005decmar.gif
note this is long term: 1950-2005

It is important to keep in mind that ENSO does not have the same influence on the US each month of the winter season. Here is an example of the monthly variability during a La Niña state.

(Note: Feb and Mar are quite similar but Jan impacts could be rather different.)

 

ensobymonth.jpg


Correlation of ENSO to precipitation rate in US winters.

enso34prcp19502005decmar.gif
note this is long term: 1950-2005

Air Temp and Precipitation anomalies in La Niña winters.

lanina_temp.JPG

lanina_prcp.JPG


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