as the weekend traffic builds with people heading up to play in the mountains-- >> reporter: brian lazar expects his weekend might be full of work. >> a little cycle of both human and naturally running avalanches. >> reporter: he and other forecasters with the colorado avalanche information center not only check conditions in the backcountry-- >> modest snowfall, lot of wind. >> reporter: -- but also work with cdot on hundreds of missions mitigating avalanche danger by roads, either by blasting or using the new gas x system. >> here on berthoud pass and the stanley slide pass and loveland pass. >> reporter: work that's >> if is a big job for us. we have a lot of stretches of roadway. >> reporter: and with the recent combination of snow, wind and warm temperatures-- >> we do have our first warmup in quite sometime. >> reporter: -- means this weekend's moderate to considerable avalanche danger is expected to be on the rise. >> we still have dangerous snow pack conditions. >> reporter: yesterday near crested butte, colorado had its first avalanche fatality of the season. and near berthoud p