A rear inflow jet a mesoscale jet that transports air from the mid levels of the atmosphere to the front of the storm. This dry mid-level air evaporates the precipitation on the backside of the storm, creating the rear inflow notch. The cross section using storm relative velocity data illustrates the rear inflow jet, with the black arrows tracing the path of the winds through the storm.
US National Weather Service
2011-07-11
<a rel="nofollow" class="external free" href="http://www.crh.noaa.gov/dmx/?n=july2011derecho">http://www.crh.noaa.gov/dmx/?n=july2011derecho</a>