Tropical Origins and Wave Development The story of Hurricane Melissa begins with a tropical wave, a low-pressure trough of air moving westward off the coast of West Africa. Impacts and Legacy Although Hurricane Melissa did not make landfall as a tropical system, its remnants brought significant rainfall and gusty winds to parts of Atlantic Canada.
Environmental Factors That Enabled Hurricane Melissa to Develop
However, as it moved into regions of progressively cooler water and increased southwesterly shear, the storm began to lose its tropical characteristics. This initial formation marked the shift from a mere atmospheric disturbance to a organized tropical system with a defined center of rotation.
Sea surface temperatures in the storm's trajectory were running 1 to 2 degrees Celsius above average, providing ample heat and moisture to fuel the storm's convection. Understanding the genesis of Hurricane Melissa requires examining the specific environmental conditions that allowed a disorganized cluster of thunderstorms to consolidate into a rotating cyclone with sustained winds reaching hurricane status.
Environmental Factors That Enabled the Tropical Wave to Organize into Hurricane Melissa
This wave initially interacted with the dry Saharan air layer, inhibiting immediate development as it tracked across the eastern Atlantic. This transition created a more favorable environment for the wave to shed its disorganized structure and begin the process of organization, setting the stage for potential intensification.
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