. >> reporter: well, if you thought that closeftcf hashtag was a thing of the past, guess again.y came up with an account of this last year that account reactivated. we expect there's going to be an avalanche of tweets on this one way or another. we've got 48 hours where we're start to decide one way or another whether schools will be in session here or not. we are live in fairfax county tonight, tom fitzgerald, fox 5 local news. >> meanwhile, if your kids are out of school, they may be tempted to eat some of that snow while they're playing outside on friday or this weekend. but scientists are warning that ingesting snow can be bad for your health. it's not just the visible dirty snow that you have tovoid. researchers found that all snow in urban areas quickly absorbs toxic pollutants that comes from car exhaust. i was reading more about this and was a little bit skeptical but i guess as it falls it collects all that pollution that's in the air and then you ingest that. now, one or two scoops? probably not a problem. >> local news spoiling the fun since 1950. >> i mean really. yo