Last Friday afternoon in Indianapolis, it began to rain - and Twitter went briefly mad.
Qualifying for IndyCar's inaugural race on the IMS road course had just started, but if the burst of fan-generated images that appeared on the track's official Twitter feed was any guide then the sporting spectacle had taken a back seat to a more tangible one: the huge rooster tails pluming out behind the cars as they hammered down a soaked main straight.
The long history of the Indianapolis 500 is a source of immense pride in its home city, but that passion doesn't necessarily spill over to the rest of the IndyCar schedule.