Weather Alert: 3rd Weather alert added, River Flood Warning; Flash Flood Watch and Wind Advisory in effect for the local area

Update:

The National Weather Service in Peachtree City has issued a Flood Warning for the Alcovy River near Lawrenceville until this evening.

At 6:32 AM EDT Thursday the stage was 8.2 feet. Flood stage is 9 feet. Minor flooding is forecast. Forecast…The river is expected to rise above flood stage this morning to a crest of 9.7 feet late this morning. It will then fall below flood stage this afternoon. Impact…At 7 feet, Bankfull conditions are reached upstream and downstream from the river gauge at New Hope Road. Impact…At 9 feet, Flood stage is reached. Minor flooding begins of the woodlands upstream and downstream from the river gauge at New Hope Road. Impact…At 10 feet, Minor flooding continues to expand further into the woodlands upstream and downstream from the river gauge at New Hope Road.

…The National Weather Service in Peachtree City GA has issued a Flood Warning for the following rivers in Georgia… Alcovy River near Lawrenceville affecting Gwinnett and Walton Counties. PRECAUTIONARY/PREPAREDNESS ACTIONS… Motorists should not attempt to drive around barricades or drive cars through flooded areas. Turn around, don’t drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional information is available at weather.gov/atlanta.

National Weather Service

Update: Wind Advisory issued by the National Weather Service until 11 a.m. Thursday, Sept. 17, 2020 for the local area, including Walton, Gwinnett and surrounding counties. The Flash Flood Watch remains in effect until Friday morning.

East winds 15 to 25 mph with gusts up to 40 mph expected. WHERE…Portions of central, east central, north central, northeast, northwest, southeast and west central Georgia. WHEN…Until 11 AM EDT Thursday. IMPACTS…Gusty winds could blow around unsecured objects. Downed trees and powerlines due to high winds and saturated soils. Power outages possible. PRECAUTIONARY/PREPAREDNESS ACTIONS… Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects.

National Weather Service

Flooding in Walton County on Aug. 23, 2015. Photo contributed by Walton County Fire Rescue.

The National Weather Service has issued a Flash Flood Watch for the majority of north and central Georgia, including Walton, Gwinnett and surrounding counties, from Wednesday afternoon until Friday morning, Sept. 16 – 18, 2020.

Periods of heavy rainfall are expected across the area with the outer rain bands of Hurricane Sally as it tracks inland west of the area Wednesday and Thursday, then weakening as a tropical depression by the time it tracks across the central portion of the area into early Friday. Associated rainfall totals in excess of 3 to 4 inches and areas of 5 to 6 inches are expected with even locally higher amounts possible. The highest amounts look to be in a swath centered along the I-85 corridor, though this could shift with future forecast updates. Soils are expected to become quickly saturated and runoff from heavy rain will lead to a threat of flash flooding. Some of the rivers, small creeks, and streams could also respond with flooding that may linger beyond the watch period.

National Weather Service

A Flash Flood Watch means that conditions may develop that lead to Flash Flooding – a very dangerous situation. The NWS urges residents to monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

This Hazardous Weather Outlook is for portions of North and Central Georgia. .

Today and Tonight… Isolated to scattered thunderstorms are possible over portions of north and central Georgia today into tonight. The main hazards will be occasional lightning and locally heavy rainfall. You can`t rule out a strong thunderstorm over portions of central Georgia with gusty winds as well. .DAYS TWO THROUGH SEVEN…Wednesday through Monday… At least isolated thunderstorms are expected through Friday. The main concern will be heavy rain and flooding potential starting Wednesday night and continuing Thursday for north and portions of west central Georgia and this threat may continue Thursday night into Friday for portions of north and central Georgia. Due to the heavy rainfall, Flash flooding or river flooding for many areas can be expected. No hazardous weather is expected Saturday through Monday at this time.

Be the first to comment

Leave a Reply