Color Your World
Color the picture by clicking on a color swatch at the bottom of the image then click on the image where you want to apply that color. Color off-line by downloading and printing the pdf version.
This 'R' shape is the symbol for a thunderstorm. It is estimated that at any given moment there are around 2000 thunderstorms occurring around the earth.
Learn more weather and thunderstorms in JetStream - An Online School for Weather.