GFS Medium Range Forecasts of Low, Middle, and High Cloud Cover
(or Relative Humidity at 800mb, 500mb, and 300mb)
Issued:
See Image Titles for Initial and Valid Times
Forecasts are issued by the National Centers for Environmental Prediction
(model
documentation) and are presented as a set of seven panels for each
24 hour interval from 0 (analysis) to 144 hours.