This case examines an event that took place over New England and the Mid-Atlantic on 14 June 2001. As the culminating exercise for lessons 1 and 2 of the Distance Learning Aviation Course 1 (DLAC1) on Fog and Stratus Forecasting, its objectives are to 1) identify the preconditions favorable for fog or stratus development; 2) identify synoptic and local processes that influence the event; 3) assess onset time, duration, dissipation, and intensity; and 4) develop a TAF that reflects expected changes in ceiling and visibility. The module is a re-creation of several live teletraining sessions offered in 2003 as part of DLAC1.
• Identify the preconditions favorable for fog or stratus development
• Identify both the synoptic and local processes that will be influencing the event
• Determine the details of the forecast in terms of the onset time, the duration, and the time of dissipation, as well as the intensity of the event
• Assess how the fog or stratus event will affect ceiling and visibility
• Write a TAF forecast that reflects those changes in ceiling and visibility
Case Study: Northern Plains Cold-air Outbreak Event,fog and stratus forecast approaches, radiation fog, advection fog, fog characteristics, fog processes,fog forecasting,fog forecasting decision tree, fog preconditions, fog intensity, fog dissipation, Sioux Falls, South Dakota
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