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HOME > Monitoring and Data > Monitoring Weather & Climate > Blocking > GFS Forecasts: Northern Hemisphere Atmospheric Blocking
 
 
CURRENT GFS FORECAST
 

In the hovmoller plots below the 500 hPa height field was smoothed using a 5 day running mean prior to calculating the blocking index. The spatial correlation coefficient between the individual forecast blocking strength and the observed blocking strength for the last 90 days is shown.

GFS Forecasts: Northern Hemisphere Atmospheric Blocking plots. Click on image to enlarge.
(Click on image to enlarge)
 
GFS BLOCKING FREQUENCY

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