Flash flood watch in effect this morning

Wednesday, August 18, 2010 at 4:44pm
Staff reports

Although a flash flood warning expired at 1:15 a.m., most of Middle Tennessee remains under a flash flood watch until 7 a.m. Thursday, according to the National Weather Service.

The strong storm that pushed across the Mid-state Wednesday afternoon and into the night produced gusty winds up to 30 mph and toppled a few trees here and there, but it did not produce the type of widespread damage and flooding seen with previous storms this year.

NWS says the potential for flooding may linger into early Thursday for parts of the area as heavy rainfall tapers.

As of 7 p.m. Wednesday, 2.03 inches of rain had been recorded at Nashville International Airport. Although that amount is likely to increase as rain continued to fall into the night, the 7 p.m. total was already enough to break the precipitation record for Aug. 18. The previous rainfall record was 1.83 inches set in 1915.

August is typically one of the drier months in the Mid-state with an average of 1.86 inches of rainfall reported in Nashville. The total for August already stands at 5.36 inches with more rain in the forecast over the weekend.

Thunderstorms are expected to increase over the area again late Friday and into Saturday, the NWS forecast. Some of these may produce heavy rainfall.

The Mayor’s Office of Emergency Management issued a partial activation the city’s emergency operations center on Wednesday afternoon in preparation for potential flooding.

In an attempt to prevent a repeat of the much-criticized lack of communication among responding agencies, a briefing was held at the emergency operations center Tuesday afternoon in which all Metro agencies, the National Weather Service and the U.S. Army Corps of Engineers updated Mayor Karl Dean and the EOC Management Team on the status of the weather system in Davidson County.