Met Office forecast says here that visibility is going from Moderate to Poor in next few hours.
http://www.metoffice.gov.uk/public/weather/forecast/gcpcq5541
yes more from ref here "safety issue...if i've come from brighton or cardiff and paid my money .. i want to be able to see the game..but unfortunately conditions mean thats not possible"
https://twitter.com/OfficialBHAFC/status/814901841527873536
Why ref called it off
"Looked at pitch since 5pm...conditions have got worse and are due to get worse...Met Office say will continue like this until at least 8pm...struggle to see areas on the pitch"...