Hurricane Watches and Storm Surge Watches issued as track is nudged westward again:
Delta is expected to grow in size as it approaches the northern Gulf Coast, where there is an increasing likelihood of life-threatening storm surge and dangerous hurricane-force winds beginning Friday, particularly for portions of the Louisiana coast. Storm Surge and Hurricane Watches are in effect, and residents in these areas should follow advice given by local officials. The water could reach the following heights above ground somewhere in the indicated areas if the peak surge occurs at the time of high tide: Pecan Island, LA to Port Fourchon, LA including Vermilion Bay...7-11 ft Cameron, LA to Pecan Island, LA...4-7 ft Port Fourchon, LA to Ocean Springs, MS including Lake Borgne...4-6 ft Lake Pontchartrain and Lake Maurepas...3-5 ft Ocean Springs, MS to AL/FL border including Mobile Bay...2-4 ft High Island, TX to Cameron, LA including Calcasieu Lake...2-4 ft Sabine Lake...1-3 ft Port O'Connor, TX to High Island, TX including Galveston Bay...1-3 ft
Flash, urban, small stream, and minor river flooding is likely Friday through Saturday from portions of the central Gulf Coast northward into portions of the Lower to Middle Mississippi Valley. As Delta moves farther inland, additional heavy rainfall is expected in the Ohio Valley and Mid Atlantic this weekend. Friday through Saturday, Delta is expected to produce 4 to 8 inches of rain, with isolated maximum totals of 12 inches across portions of the central Gulf Coast north into portions of the Lower to Middle Mississippi Valley.
FORECAST POSITIONS AND MAX WINDS INIT 07/1500Z 21.4N 88.0W 90 KT 105 MPH...INLAND 12H 08/0000Z 22.8N 90.2W 95 KT 110 MPH...OVER WATER 24H 08/1200Z 24.3N 92.4W 100 KT 115 MPH 36H 09/0000Z 26.0N 93.3W 105 KT 120 MPH 48H 09/1200Z 28.1N 93.3W 105 KT 120 MPH 60H 10/0000Z 30.8N 92.4W 70 KT 80 MPH...INLAND 72H 10/1200Z 33.2N 90.9W 40 KT 45 MPH...INLAND 96H 11/1200Z 36.5N 86.2W 25 KT 30 MPH...POST-TROP/REMNT LOW 120H 12/1200Z 39.5N 81.0W 20 KT 25 MPH...POST-TROP/REMNT LOW