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Dennis - 1993
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TROPICAL STORM DENNIS

A tropical wave moved off the west coast of Africa accompanied by a prominent area of low pressure on August 21. Clouds and deep convection became increasingly centralized over the next few days, and under somewhat favorable conditions, the disturbance was permitted to strengthen into Tropical Depression Five on August 23 at 7 a.m. EST. A steady and somewhat slowed movement to the WNW began immediately after the depression formed, but further strengthening was put on hold for the next day, until a flare in convection the following day made it into the fourth named storm of the season, Tropical Storm Dennis. This trend of strengthening continued for just less than a day, but it did bring the storm to what would be its peak intensity with winds of 50 mph and a pressure of 1000 mbar on August 24. In the early morning hours of August 25, however, the wind shear triggered by El Nino began to pound the storm and all strengthening of Dennis ceased subsequently. The pressure began to rise steadily on August 26 as the storm began to turn to the NNW in response to a strong upper level trough which would bring the storm into a cold spot in the ocean waters. This new factor only quickened the weakening process, which tore Dennis into a depression by August 27. At this point, the shear got the best of the storm and it dissipated about 24 hours later on August 28. No damages or casualties were reported due to Dennis, having never affected land areas.

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