Unofficial reports coming from Cordoba, Argentina mention a 23 cm (9 inches) large hailstone that fell on February 8, 2018. If confirmed, this will break the current world record for largest hailstone.
A violent hailstorm hit Cordoba, Argentina on Thursday afternoon, February 8, 2018. The storm started around 16:30 local time with small hailstones that didn’t cause much damage. However, hailstones grew bigger over the next 20 minutes and eventually reached up to 20 cm (7 inches) and more