Around 250 schools have been closed across Northern Ireland due to adverse weather conditions.
Snow has also affected a number of flights into and out of Belfast International and the George Best Belfast City Airport with cancellations and delays on routes to and from Scotland and the south of England.
All flights from Dublin Airport will be suspended from 3-4pm today.
Public transport operator Translink has reported a number of delays to bus and rail services.
Amber Warning of Snow for Northern Ireland : #CoAntrim #CoArmagh & #CoDown valid from 0900 Thu 01 Mar to 1800 Thu 01 Mar (09:18)
— Trafficwatch NI (@TrafficwatchNI) March 1, 2018
While cross-border bus and train services have also been impacted.
A amber severe weather warning for #snow has been issued: https://t.co/QwDLMfRBfs Stay #weatheraware @metofficeuk pic.twitter.com/xpbrwXDmoL
— Met Office (@metoffice) March 1, 2018
The border counties of Armagh and Down have been worst affected with some of the main roads including the M1 motorway reduced to one lane in parts.
INFO: #BeastFromTheEast #snow
— Belfast City Airport (@BELFASTCITY_AIR) March 1, 2018
For arrivals to @BELFASTCITY_AIR, check here: https://t.co/IHz3mkKCCp
For departures from @BELFASTCITY_AIR, check here: https://t.co/t4GqPfpECz
Contact your airline directly via tweet or Customer Service line for updates on your flight status
"Driving conditions in counties Armagh and Down are particularly difficult and we are focusing most of our efforts in those areas at present," said Simon Wells from the Roads Service.
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— Southern Trust (@SouthernHSCT) March 1, 2018
URGENT SERVICE UPDATE
All hospital outpatient clinics, EXCEPT MATERNITY & MANDEVILLE are cancelled today & tomorrow on ALL sites.
All community outpatient clinics are cancelled today and tomorrow.
Resource and day care centres will be closed tomorrow. pic.twitter.com/HteinWenb2
If you are unable to attend your appointment today due to #StormEmma please ring the number on your appointment letter and give as much notice as possible. Or you can ring our hospital switchboards and ask to speak to our Admissions team #StayWellNI pic.twitter.com/8FPCtNExIu
— Western Trust (@WesternHSCTrust) March 1, 2018
???? Weather Update ???? pic.twitter.com/xN5nRwU59a
— Belfast Trust (@BelfastTrust) March 1, 2018
Services still operating as normal but if you do not feel you can travel safely to your appointment please contact the number as stated on your appointment letter. Your safety is our priority #StormEmma pic.twitter.com/z1Jl1Hw0U0
— South Eastern Trust (@setrust) March 1, 2018
Snow blowers and ploughs are on standby in case conditions deteriorate further, Mr Wells added.
Service updates & latest info avail on our website:
— Translink (@Translink_NI) March 1, 2018
Metro https://t.co/Rzth1O1Bzf
NI Railways https://t.co/QFfY2I9WDn
Ulsterbus https://t.co/KRK9AEkLvi
Goldline https://t.co/EtiSxL84l8
Enterprise https://t.co/VnjutgBqpJ #BeastFromTheEast #StormEmma
A yellow weather warning has been put in place with further snow showers accompanied by very low temperatures forecast from Thursday and into the weekend.
Good Morning - Due to continued poor weather conditions some flights are delayed. @easyjet have cancelled some flights to Glasgow, Edinburgh, Bristol and Stansted. Please check with your airline for latest flight updates and allow plenty of time to get to the airport.
— Belfast Airport (@belfastairport) March 1, 2018
Entire National League schedule for the weekend wiped out by 'the beast from the east'https://t.co/zzqGgVC3HR
— Irish News Sport (@irishnewssport) March 1, 2018
In the Republic a red weather warning has been put in place with people told not to leave their home after 4pm.
At the latest meeting of the National Emergency Coordination Group getting an update on extreme weather situation. It is very important the people stay indoors from 4pm. If you are out, please make sure you get home before then. Plan ahead. pic.twitter.com/pJPHdeqkOI
— Leo Varadkar (@campaignforleo) March 1, 2018
PLEASE SHARE: Here is the Homelessness Provisions details in place for Storm Emma, detailing services for homeless presenters across Northern Ireland. https://t.co/0IVVcEqHiX pic.twitter.com/paej1cX0o1
— Housing Executive (@nihecommunity) March 1, 2018
The Simon Community appealed to people who are at risk of homelessness to contact its free helpline 0800 1712222.
The Irish Examiner print edition will not be published tomorrow due to weather conditions and the risk to staff and distributors of doing so. Digital services continue as normal with print services resuming as on Saturday. Keep safe and thanks again for your support. ^ DH
— Irish Examiner (@irishexaminer) March 1, 2018
If you are concerned about anyone sleeping rough in Belfast The Welcome Organisation's street outreach team can be contacted on 07894 931 047
If you are concerned about rough sleepers in Belfast in this weather you can contact The Welcome Organisation's street outreach team on 07894 931 047https://t.co/0QuR86EKHT pic.twitter.com/s24TBIrH2e
— The Irish News (@irish_news) February 28, 2018
Airlines suspending flight operations @DublinAirport from 3-4pm today due to impact of #StormEmma. @AerLingus & @Ryanair resuming flights on SAT am. Unlikely to be any flights tomorrow. More here https://t.co/FtLmdMtbQY #Beastfromtheeast #Sneacta 1/2 pic.twitter.com/AqyU7EptID
— Dublin Airport (@DublinAirport) March 1, 2018
In Belfast, the Waterfront Hall and Ulster Hall have postponed a number of shows and gigs over the coming days. Full details can be found here.