Isobars: A line connecting points of equal pressure, are drawn every 4hPa (hectopascals or millibars). Areas of High and Low pressure are indicated on the map.
Rainfall: Rainfall that is accumulated over 6 hours. The deeper the shade of blue on the above map, the heavier the rainfall. Regions with very light rainfall may not be indicated.
Cloud: Computer generated clouds using fractals shows the extent of predicted clouds.
Temperature: Areas of warmer and colder air are represented by red and blue shades respectively.