The Thermal Club INDYCAR Grand Prix morning warm-up notes and results

Steve Wittich When morning warm-up began, the sun shone with the ambient temperature at 66F and the track temperature at 66F. At the end of the warm-up, 25 minutes later, the ambient temperature was 71F, and the track temperature was 74F. That’s 46F less than the peak track temperature of 120F during qualifying yesterday.  I…...