Arizona truly has some extreme heat going on today. It’s going to be so hot, the high-temperature map will almost run out of colors. I’ve tweaked color banks on weather graphics for almost 30 years. The trick is to get the colors to match the temperatures, as we have come to expect them. So cold temperatures are usually blue and purples, and hot temperatures

are varying levels of red. But sometimes extreme weather can make a graphic color bank hard to develop. Look at the color bank had to use for the extreme heat today in Arizona and California.With high temperatures expected to hit 120 degrees in the Phoenix area, all of the hot colors are all used up. The color bank had to top out with green colors to depict temperatures over 120. Green used for extreme heat? What’s left?  READ MORE