KEY MESSAGES: 1. There is the danger of life-threatening storm surge flooding along portions of the coasts of Florida, Georgia and South Carolina, where a Storm Surge Warning remains in effect. 2. Irma will continue to bring life-threatening wind impacts to much of central and north Florida, with hurricane-force winds near the center. Also, Irma is a large hurricane, and hurricane-force wind gusts and sustained tropical-storm force winds extend far from the center. Wind hazards from Irma will continue to spread northward through Georgia and into portions of Alabama, Tennessee, South Carolina, and North Carolina. 3. Irma continues to produce very heavy rain and inland flooding across much of the northern peninsula and eastern panhandle of Florida and southern Georgia, which is quickly spreading to the rest of the southeast United States. Intense rainfall rates of 2 inches or more per hour is leading to flash flooding and rapid rises on creeks, streams, and rivers. Significant river flooding is likely over the next five days in the Florida peninsula and southern Georgia, where average rainfall totals of 8 to 15 inches are expected. Significant river flooding is possible beginning Monday and Tuesday in much of central Georgia and southern South Carolina where average rainfall of 3 to 6 inches and isolated 10 inch amounts are expected. Portions of these states within the southern Appalachians will be especially vulnerable to flash flooding. Farther north and west, Irma is expected to produce average amounts of 2 to 4 inches in parts of Mississippi, Alabama, and Tennessee, northern South Carolina and western North Carolina, where isolated higher amounts and local flooding may occur.
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