Warning extended to cover the rest of Northern Ireland. Snow amounts also increased a little at low levels.
Ice will form on some surfaces later Tuesday and overnight into Wednesday, with further wintry showers at times.
Ice will form in places later on Tuesday afternoon and overnight into Wednesday, especially where wintry showers leave surfaces wet. Further hail, sleet and snow showers are also likely at times. Accumulations of several centimetres are likely in places, mainly above 200 metres.
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