MJO Signals Below-Average Temperatures for Eastern United States through Mid May

The Madden Julian Oscillation (MJO) is currently sitting in phase one and is forecast to start rotating through phases two, three and four.  Weather geek talk aside, get ready for a reappearance of below-average temperatures beginning Friday and potentially lasting through the middle of May. 

MJO Forecast and Temperature Correlation

Notice the below average temperature correlations across much of the eastern half of the United States during phases one through four of the MJO (image above courtesy NOAA).