On Friday morning Walsh's Hotel in Maghera posted a video of water pouring through the roof and into a hallway.
"Natural Resources Wales has issued flood alerts for the Pembrokeshire coast due to a low pressure system bringing tidal surges, strong winds and large waves on top of high astronomical tide period" he continued.
At the moment, it's looking like Callum's strongest winds will stay offshore. All Flybe flights have been cancelled up to 9.30am and around 25 Aer Lingus flights with travellers advised to contact their airline before departure.
Rail services to Drogheda, Dundalk and Belfast have been suspended because of a tree on the line at Donabate in Dublin.
In Northern Ireland, hundreds of homes and businesses experienced power loss.
ESB Networks has apologised to customers who have lost power supply this morning.
-Spray and flooding is likely to lead to hard driving conditions and some road closures.
US, Russian Astronauts Land Safely After Rocket Failure
A terrifying video shows the moment that two crew members fear for their lives as they are jolted up and down in the cockpit. The three-person crew was subjected to gravity forces of about eight times Earth's gravity for up to two minutes.
Trump, Kanye West hug during freaky Oval Office meeting
Do you have the same passcode as Kanye? "It is boring, it's not as exciting as this", he said gesturing towards his mobile phone. Earlier today, the rapper paid a visit to the White House for a meeting with the president where things got a little bit weird.
This is what Amitabh Bachchan said about #MeToo campaign
We will then send a summons to the accused to present themselves for questioning", the official added. Therefore, she left the police station without recording a statement.
The Road Safety Authority (RSA) has also urged drivers to exercise extreme caution over the coming days.
A yellow rain warning is in place from 6am to midnight on Friday for heavy, slow moving, rain that will affect the North West, including Blackpool, Cumbria and Lancashire.
An amber warning for heavy rain has been issued for most of south Wales bringing an increased likelihood of travel delays, power cuts and potential risks to life and property.
"This evening and tonight it will become very windy with strong to gale force southeast winds, associated with storm Callum", according to the national forecaster.
A Status Orange wind warning took effect from 10pm for Cork and Kerry, and from 12.01am in Donegal, Galway, Mayo, Sligo, Clare, Dublin, Louth, Wexford, Wicklow, Meath and Waterford.
The main impacts for the United Kingdom will be from heavy rain across some western areas on Friday and Saturday, with yellow Met Office weather warnings for wind and rain now in place for Friday and Saturday.