According to Wikipedia: “When occurring in cumulonimbus, mammatus are often indicative of a particularly strong storm or maybe even a tornadic storm.” In our case, a tornado had touched down just a few kilometers out of town and we experienced perhaps the most severe thunderstorm I can remember. I guess the conditions were perfect to create these cool clouds extending over the entire city. It was magnificent to behold! And now you know what Mammatus clouds are! LOL!
Have you ever heard of something called “Mammatus Clouds”? Until last night, I hadn’t. But, after a crazy severe thunderstorm, my husband looked up and, with his iPhone, snapped this shot: