North American dewpoints and winds
| This image shows the current dewpoints and wind directions for North America. The dewpoint is represented by the color and wind direction by the streamlines. The higher the dewpoint is, the more moisture is in the atmosphere. The direction of the wind is along the streamlines away from the ends with the barbs. |
Credit: NOAA National Centers for Environmental Prediction
For more info: http://ruc.fsl.noaa.gov/