FIRE NAME:  Sawtooth DATE OF DETECTION:  August 30, 2012 CAUSE:  Lightning CURRENT SIZE:  4,626 acres CONTAINMENT:  25% LOCATION:  7 miles WSW of Hamilton, Montana AGENCY:  Bitterroot National Forest IMT:  Greg Poncin’s Northern Rockies Incident Management Team TODAY’S ACTIVITY:  Firefighters are preparing for a critical fire weather day, with a red flag warning in effect over…