This Webcast is based on a presentation delivered by Jim Abraham of MSC at the Winter Weather Course in February 2001. The presentation discusses how, under the right synoptic conditions, hurricanes and tropical storms undergo a transition process to extratropical cyclones as they move into northern latitudes. During the transition process these "hybrid" systems can bring damaging weather conditions to Eastern Canada and the Northeastern States. It uses several case examples to demonstrate the process.
• Identify meteorological parameters favorable for tropical cyclone formation
• Identify meteorological parameters that inhibit hurricane intensification
• Describe the characteristics of a tropical cyclone prior to extra-tropical transition
• Describe the characteristics of transitioning tropical cyclones
• Detail the regions of a tropical cyclone and extratropical low that generate the greatest rainfall and winds
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