Midwest derecho
![](https://cimss.ssec.wisc.edu/satellite-blog/wp-content/uploads/sites/5/2017/07/960x1280_GOES16A_B13_G16_IR_DERECHO_19-20JUL2017_2017200_213718_0001PANEL-1.gif)
* GOES-16 data posted on this page are preliminary, non-operational and are undergoing testing * A long-lived mesoscale convective system (MCS) known as a derecho produced swath of damaging winds — as well as some large hail and a couple of tornadoes — that stretched from north-central South Dakota to... Read More