Flood Potential Outlook
Issued by NWS Atlanta, GA

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Hydrologic Outlook...Corrected
National Weather Service Peachtree City GA
510 AM EDT Wed Apr 22 2020

...HEAVY RAINFALL WILL INCREASE THE RISK FOR FLOODING THURSDAY...


.SYNOPSIS...
A deepening surface low will track across the Tennessee Valley
late Wednesday through Thursday, lifting a warm front through
Georgia. Above normal amounts of moisture are expected to stream
into the region and additional rainfall will increase the risk
for flooding on Thursday.


.RAINFALL EXPECTED...
Rainfall amounts of 1 to 2 inches can be expected over much of
north and central Georgia...with locally higher amounts possible.


.ANTECEDENT CONDITIONS...
Recent heavy rainfall has kept soils moist and stream flows much
above normal to high across the state. These antecedent
conditions will impact the ability for rivers to handle the
increased runoff from Thursday`s heavy rainfall, and could result
in flooding.


.IMPACTS...
With the expected rainfall amounts, isolated flash flooding is
possible along the the I-20 and I-85 corridors as well as
south of a line from Columbus to Swainsboro where the rain is
expected to be the heaviest. Periods of heavy rain can
overwhelm or clog storm drains and ditches with debris. Take time
ahead of the rain to clear leaves and debris from drainage
systems.

Minor flooding of some of the larger creeks or rivers is possible
with the forecast storm total rainfall, especially as some of
these channels are already high from the weekend rain. A few
rivers may experience a period of moderate flooding as well.
Quickly accumulating rainfall can also produce widespread flooding
of smaller, fast-responding creeks.


.ACTIONS...
Stay alert to changing forecasts. A Flash Flood or Flood Watch
may be issued for parts of the area. Know what county you are in
and the names of rivers and creeks in your area. Do not be caught
off guard. Know what to do if a Flash Flood Warning is issued,
particularly if you live or are visiting an area near a creek or
river.

For additional hydrologic information, visit our website at
weather.gov/atlanta. Click on the Rivers and Lakes tab under
current weather to access the latest river and precipitation
information.

$$



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