A modern global evaporation duct climatology

Climatologies of evaporation duct conditions over the worldpsilas ocean areas are important for radar system design studies and operational planning. The evaporation duct climatology currently in use by the U.S. Navy was developed in the mid-1980s. This study describes efforts currently underway to modernize this climatology by exploiting recent scientific advances in four key areas: using a state-of-the-art bulk evaporation duct model; using improved and expanded meteorological data sets; employing advanced climate analysis techniques; and developing more useful and relevant products and displays to effectively utilize the climatic data.