Mesoscale Convective Vortex over Arizona
* GOES-16 data posted on this page are preliminary, non-operational and are undergoing testing *Strong summer monsoon season thunderstorms developed over Arizona in the pre-dawn nighttime hours on 17 July 2017, producing damaging winds across the Phoenix area (SPC storm reports). A Terra MODIS Infrared Window (11.0 µm) image (above) revealed cloud-top brightness temperatures... Read More