Hail is formed when strong updrafts in thunderstorms ... The clarity of a hailstone depends on how fast supercooled water freezes on a growing stone. If it is an instant freeze, air bubbles ...

VIGO PARK, Texas — Storm trackers in the Texas Panhandle recovered a massive hail stone that researchers say is likely to be a new state record. Val and Amy Castor, veteran storm chasers with ...