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Hydrologic Outlook
National Weather Service Peachtree City GA
235 PM EST Mon Jan 22 2024

...RAINY WEEK WILL INCREASE FLOOD THREAT THROUGH THE WEEKEND...

.SYNOPSIS...
An extended period of unsettled and and abnormally warm weather
will keep wet conditions over north and central Georgia through
the week. While there is some variability in the forecast, there
is increasing certainty that the expected rainfall will enhance 
flooding concerns.

.RAINFALL EXPECTED...
Forecast rainfall amounts through the week continue to be
unseasonably high. Current forecast rainfall totals for Tuesday
through early Thursday range from 1 to 2 inches for areas north 
of a line from LaGrange to Atlanta to Athens. For this same area, 
additional rainfall Friday and Saturday bring the seven-day 
rainfall totals to 2.5 to 5 inches. Locally higher amounts are
possible. The Weather Prediction Center already has a Slight Risk
(level 2 of 4) of Excessive Rainfall for Thursday and Friday.

South of the LaGrange to Atlanta to Athens line, rainfall amounts
for Tuesday through early Thursday are less than half an inch, 
but could reach 2 to 2.5 inches through Saturday. 

Although rain is expected each day Tuesday through Saturday, the
highest flood threats at this time appear to be Thursday and
Friday. Additional rainfall is expected next week. 

.ANTECEDENT CONDITIONS...
Soils are already soggy from recent rainy conditions and local
creeks and rivers are currently at normal to much above normal
streamflow. Year-to-date, rainfall amounts have already totaled
150 to 400 percent of normal over north and portions of central
Georgia. As new rainfall accumulates through the week, the ability
for rivers to handle increased runoff within the channel is
suppressed, and could result in flooding.

.IMPACTS...
With the expected rainfall amounts, isolated flash flooding is
possible. 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 these drainage systems.

Minor flooding of some of the larger creeks or rivers is likely
with the forecast storm total rainfall. Quickly accumulating
rainfall can produce widespread minor flooding of smaller, fast-
responding creeks, and moderate flooding cannot be ruled out. 

.ACTIONS...
Stay alert to the changing forecasts. It can be difficult to stay
situationally aware to changing weather or flooding conditions.
Don't be caught off guard. Know what to do if a warning is issued,
particularly if you live or are visiting an area near a creek or
river. 

Typically, a Hydrologic Outlook is issued only once before a 
significant weather or water event and may be followed with a
Flood Watch within 48 to 72 hours. For additional hydrologic
information, visit our website at weather.gov/atlanta. Click on
the Rivers and Lakes tab above the state map to access the latest
river and precipitation information. 


$$

Belanger