Lake Okeechobee Valley and the Everglades. The trough is underlain by clay deposits that compacted more than the limestone and sand deposits did along both coasts of peninsular Florida. Until about 6,000 years ago, the trough was dry land. As the sea level rose, the water table in Florida also rose and rainfall increased. From 6,000 to 4,000 years ago, wetlands formed building up peat deposits. Eventually the water flow into the area created a lake, drowning the wetlands. Along what is now the southern edge of the lake, the wetlands built up the layers of peat rapidly enough (reaching thick) to
Effects of Hurricane Isaac in Florida the portion from Morgan City, Louisiana, to Destin, Florida. Additionally, the tropical storm warning was discontinued from the mouth of the Suwannee River to Tarpon Springs. Early on August 27, the tropical storm warning on the east coast of Florida was discontinued for areas lying north of the Jupiter Inlet. Six hours later, the tropical storm warning on the east coast of Florida was lifted from the Jupiter Inlet southward to Ocean Reef, including Lake Okeechobee. At 1500 UTC, all of the remaining watches and warnings for South Florida were cancelled. On August 28, the tropical storm warning in the