Exceptionally cold weather will occur this week. Air and ground temperatures will be 5 to 10 degrees below normal, with significant wind chill and penetrating severe frosts. Snow showers, mainly affecting eastern areas on Tuesday, will progressively become more widespread and heavier through midweek. A spell of persistent and heavy snow is expected to extend from the south late Thursday and Thursday night, with significant and disruptive accumulations.

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Valid from 00:00 hours Tue, 27-Feb-2018

Valid until 18:00 hours Sat, 03-Mar-2018