On August 8th, Dennis was named on the basis of satellite intensity estimates of 50 mph while the storm was centered about 500 miles southwest of the Cape Verde Islands. Dennis moved west at 20 mph for a few days and then weakened. It moved through the Lesser Antilles on August 11th as a tropical depression with a poorly defined circulation center and surface winds less than 40 mph. It weakened further to a tropical wave on August 12th and continued across the Caribbean. The wave nearly stalled south of Cuba on the 14th and 15th and then reintensified while turning northward. Dennis regained tropical storm status on August 16th, moving slowly northward across central Cuba and into the Florida Straits. By August 20th, Dennis was heading east-northeast away from the middle Atlantic states. A reconnaissance mission reported and estimated surface wind speed of 78 mph along with a 995 mb central pressure. On this basis, Dennis was upgraded to a hurricane for a period of twelve hours. The storm moved over colder water and completely lost tropical characteristics by the 22nd. The highest sustained surface wind reported by any land station was 45 mph at Cedar Island, North Carolina.
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