National Weather Service United States Department of Commerce

Welcome to the Meteorological Development Laboratory (MDL)! MDL conducts and sponsors applied research and development for the improvement of diagnostic and prognostic weather information; data depiction and utilization; warning and forecast product preparation; and data and forecast evaluation. Projects involve modern physical, dynamical, and statistical techniques implemented on operational computers. Emphasis is placed on integrated suites of guidance and final products for Weather Forecast Offices, River Forecast Centers, and National Centers.