- Written by Barra Best
- BBC News NI Weathercaster
Japan Meteorological Agency warning will be in effect throughout Wednesday.
The Department for Infrastructure (DfI) said only “essential travel” should take place on Northern Ireland’s roads on Thursday due to cold temperatures and limited gravel availability.
He said the roads were dangerous with limited gravel due to the planned strike action.
Police are also urging motorists to slow down and be careful.
It comes as Northern Ireland experienced its coldest day in more than a year.
In some areas, temperatures did not exceed -2°C.
The Japan Meteorological Agency has issued snow and ice warnings all day Wednesday and all day Thursday.
“Strict vigilance”
A DfI spokesperson said: “The road network is unsafe for driving due to widespread icy conditions and remains unpaved, with the exception of some limited paving on the M1 and M2, A1 and A4 motorways. ” he said.
“Roads leading to the limited salted portion of the road network will not be treated, so anyone traveling on any part of the road network tomorrow should use extreme caution.”
It snowed overnight in Londonderry.
Preliminarily, the Altnahinchfilter weather station did not record temperatures above -2.4C on Wednesday afternoon.
The last cold day was on December 12, 2022, when many weather stations did not exceed minus 2 degrees Celsius.
Coincidentally, a station in County Antrim recorded the lowest overnight temperature of -6.6°C on Tuesday night than anywhere else on the entire island of Ireland.
Wednesday night will be similarly cold with a chance of widespread frost.
Snow in Northern Ireland is both fun and confusing
On Wednesday afternoon, the Japan Meteorological Agency issued another weather warning for ice on Friday.
This will come into effect at 00:00 Greenwich Mean Time (GMT) on Friday and will last until 10:00.
The weekend will be calm, but there is a chance of more unsettled weather and severe weather.
Strong winds are expected and a wind warning has been issued for Northern Ireland on Sunday.
In addition to heavy rain, wind gusts of up to 100 km/h (60 mph) are expected in some inland areas, and could reach up to 115 km/h (70 mph) on coasts and exposed areas.
Cemeteries across the Northwest were closed Wednesday morning.
Translink said its Magherafelt and Coleraine bus services were affected by the bad weather and delays and disruptions were expected.
Oakgrove Integrated College in Londonderry said it was unable to open on Wednesday morning “despite our best efforts”.
Students were asked to work from home.
image source, martin riley
Several centimeters of snow has fallen at Delhi Airport.
Derry City and Strabane District Council announced on Wednesday morning that some services were also affected.
Council cemeteries in Ballyoan, Altnagelvin and Strabane and Derry’s council cemeteries were temporarily closed but have since reopened, and bin collections are also expected to be affected.
“Household owners are advised to leave their bins out as usual and the council will endeavor to provide bins where it is safe to do so,” the spokesperson said.
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In the Republic of Ireland, Met Éireann warned of severe frost and icy roads on Wednesday morning.
Several centimeters of snow fell in parts of Northern Ireland on Tuesday morning.
Gardaí (Irish Police Force) said major routes could be traveled with caution and advised motorists to slow down and allow extra time.
Separate snow warnings are in place for counties Donegal, Leitrim, Mayo and Sligo.