My mums an alcoholic

Hi my mums an alcoholic and its hard to live with she has some weeks where she wakes up in the morning goes to the shop and gets her drink and then stays in her bedroom all day and gets drunk and she will be nasty towards me and my sisters and dad. you never know what shes going to be like and i havent spoken to her proably for about a year and half because i cant cope with her at the moment she doesnt realise shes an alcoholic and this is the problem. Shes always has to have a drink and it is tearing our family apart and it will never be the same again. My little sister is only 6 and doesnt know my mum any different than the way she is. The police have been called to my house before because she screams and the neighbours think something bads happening. Sometimes i dont see her for days as she stays in her room i dont feel like i have a mum cause shes never there for me. I do talk to people but no one knows the answer what to say to me but i just need someone to listen to me and so i came on here just to talk to people that have the same experiences and kind of know what happens.