Donegal motorists warned about black ice on the county's roads this morning
Black ice, sometimes called clear ice, is a coating of glaze ice on a surface, for example on streets or on lakes - the ice itself is not black, but visually transparent, allowing the often black road below to be seen through it and light to be transmitted
Donegal County Council have issued a warning this morning, Thursday.
Motorists have been warned about black ice on the county's roads. They say: "A lot of black ice this morning - please drive carefully".
Black ice, sometimes called clear ice, is a coating of glaze ice on a surface, for example on streets or on lakes. The ice itself is not black, but visually transparent, allowing the often black road below to be seen through it and light to be transmitted.