This module is intended for experienced forecasters shifting from duties over a land-based area to a coastal or Great Lakes region where both over-land and over-water forecast areas exist. This module highlights the differences between marine boundary layer and terrestrial boundary layer winds. The experienced forecaster is relatively familiar with the boundary layer over land and the associated implications for the wind field. Using this as a base, the module compares this known quantity with the lesser-known processes that occur in the marine boundary layer. Three major topics that influence marine boundary layer winds are discussed: stability within the boundary layer, isallobaric influence, and the effects of convection and tropical cyclones.
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wind, marine, boundary layer, stability, isallobaric, tropical cyclone, wave, stratification, mixing, water, sea surface temperature
March 2012: This module has been updated to provide greater flexibility in navigation and linking to specific content. In addition, minor changes have been made to improve the clarity of the content and correct inconsistencies. However, these changes do not affect the overall substance of the material taught.
September 2018: Updates include the addition of GOES-16 satellite imagery to help illustrate key marine boundary layer processes. Minor changes to address some outdated content were also completed and the module was reprogrammed in a current template not reliant on Flash technology.
