What Does Red Mean On A Weather Map: Web expected or observed values in the red, or unhealthy, range (100 to 249.9 micrograms per cubic meter) would trigger and air. Web in the picture to the right, the wind direction is given by the red arrows. Web red warm front lines bring brief rain followed by warming in the.

What Does Red Mean On A Weather Map

Web you can also see the colour scale reflected in a line at the bottom of the temperature box with the number in it. Web lighter shades, such as light green or yellow, indicate lower wind speeds, while darker shades, such as orange or. Web red dashed = tornado watch.