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Emergency Management

Posted on: September 17, 2020

Remnants of Sally to bring heavy rain, followed by weekend of high tides

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Sept. 17, 2020 - The track of the remnants of Hurricane Sally shifted northward overnight, increasing Hampton’s rainfall prediction to 4-6 inches, according to the National Weather Service.

The heaviest of the rain will fall this afternoon and overnight. Hampton is under a flash flood watch. Experts warn that flooded roads will be difficult to see at night, and urge drivers to use extra caution. The area has had recent rains, which could exacerbate flooding. Small craft advisories have been issued through Friday evening.

After Sally heads offshore, another front will bring a prolonged period of minor to moderate tidal flooding though the weekend, according to the National Weather Service. 

Hampton can expect sustained winds of 25-30 miles per hour from Friday night through Monday, along with three days of moderate tidal flooding. 

The high tides at Sewells Point, around 10:30 a.m. and p.m., on Friday are projected to be minor, around 5 feet over mean lower low water. On Saturday and Sunday, however, those tides are projected to be about 6 feet over MLLW around 11:30 a.m. and p.m., which is considered moderate. Flooding in low-lying areas could begin about 3 hours before high tide and continue for up to 3 hours after.

According to the National Weather Service, "moderate flooding" means that "widespread flooding of vulnerable areas will result in an elevated threat of property damage to homes and businesses near the waterfront and shoreline. Water will be 1 to 2 feet above ground level in some areas resulting in a sufficient depth to close numerous roads and threaten homes and businesses. Flooding will extend inland from the waterfront along tidal rivers and bays resulting in some road closures and flooding of vehicles."

Gale watches have been issued for the mouth of the Chesapeake Bay and the southern coastal waters from late Friday through the weekend.

City of Hampton staff are monitoring the weather and making necessary preparations.

Watch for updates
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