Rainfall was heaviest Sunday-Sunday night along the Ohio River where lift was focused the most north of the surface warm front. There were a couple Severe T’Storm Warnings in southern Kentucky, but none there, as the warmest, most unstable air was just south & southwest of the Tri-State. This same storm system spawned a rather unusual August tornado outbreak over Oklahoma & western Arkansas with also damaging winds. This occurred as a QLCS squall line (line with “S” shapes & small bows in it) raked that area.
Record cool Saturday morning preceded this & the rainfall & east/southeast wind kept temperatures down (record cool) Sunday.
We tanked Friday night-Saturday morning to 54 at Evansville Regional Airport, tying the record low of 54 set in 1852.
Sunday with the steady rainfall north of the warm front, the high temperature reached just 70. This blew away the old record of 75 set in 1875 & 2015.
Overall, the cooler than normal & wetter than normal weather will continue into mid August before warmer than normal & drier than normal weather returns.