(WHTM) — During the winter season, you may see long and sometimes thin strands of ice form from roof overhangs and gutters. These are called icicles. But how do icicles form and get their shape?

Icicles dangling from the eaves of your home might look picturesque, but they’re often a warning sign of underlying issues. Icicle formation usually occurs when warm air escapes your house, causing ...