How the radar map above looks to some people who are color-blind On radar, light rain and heavy rain look alike. For those who have trouble distinguishing colors, certain shades of red and green look very similar. That’s a problem for about 8% of males and. Radar on The Weather Channel using the typical rainbow colors While the specific colors might vary slightly between the different sources, most depict light rain in shades of green. Most local TV stations, the National Weather Service, the Weather Channel, Fox Weather, national news outlets, and almost every weather app use rainbow colors to depict rainfall intensity. Not because of what the data represents (although with Dual-Pol radar, that’s probably true), but because the colors used to depict the different types of data simply don’t make sense. Yet, for many viewers, weather radar is challenging to understand. When disruptive or severe weather develops, radar is still the most important graphic in the daily TV weathercast. For the first time, viewers could see exactly where rain was falling and heavy it was! The WR-100 displayed rainfall in six brilliant colors over a black background. KCRG-TV was the first television station in eastern Iowa to invest in its own radar. I’m old enough to remember when color weather radar was a new thing.
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