Larry Rundquist, NOAA National Weather Service
The National Weather Service Alaska-Pacific River Forecast Center has monitored river ice breakup on major rivers in Alaska for decades. The breakup process for large rivers in Interior Alaska can range from dynamic to thermal. The timing and severity of breakup is controlled by both weather and climate. Climate variability influences each of the elements of breakup, but weather patterns control the process. Join us to learn about trends in ice breakup conditions over the past decades, to hear expectations for breakup in 2009, and to discuss implications of variability in breakup conditions.