Yesterday had the 5"+ contour from I-95 east: https://www.wpc.ncep.noaa.gov/archives/qpf/display_maps.php?prodtype=issued&proddate=08/05/2024&prodtime=00&allsent=no&imagetype=color&actualprods=d15,d17
If you take a look at the 850 moisture transport map on the SPC mesoanalysis, there's a huge fetch of Atlantic and Caribbean moisture coming into the Carolinas. Really impressive to watch.