Alert archive / Georgia / River Flood Warnings in 2021
River Flood Warning 109, NWS Atlanta, GA
NWS Atlanta, GA issued this river flood warning at May 5, 2021, 12:42 AM EDT for Forsyth County, Georgia. It took effect at May 5, 2021, 12:54 AM EDT. It was in force for 10 hr.
The area
The outline as issued.
The facts
- Issued
- May 5, 2021, 12:42 AM EDT (04:42 UTC)
- In effect from
- May 5, 2021, 12:54 AM EDT
- Expired
- May 5, 2021, 11:15 AM EDT
- In force
- 10 hr
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Flood severity
- Minor
County Forsyth County, GA
The radar
The Atlanta radar (KFFC), 92 km from the middle of the area, began a volume at 04:42 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The river
Written for the forecast point Big Creek at GA 9 near Cumming (CMGG1). The gauge peaked at 6.56 ft at May 5, 2021, 5:00 AM EDT.
- Action stage
- 4 ft
- Minor stage
- 6 ft
- Moderate stage
- 12 ft
- Major stage
- 15 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 02335580, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.
The text
As transmitted.
754
WGUS42 KFFC 050442
FLWFFC
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Peachtree City GA
1242 AM EDT Wed May 5 2021
...The National Weather Service in Peachtree City GA has issued a
Flood Warning for the following rivers in Georgia...
Big Creek near Cumming affecting Forsyth County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Additional information is available at weather.gov/atlanta.
&&
GAC117-051115-
/O.NEW.KFFC.FL.W.0109.210505T0454Z-210505T1108Z/
/CMGG1.1.ER.210505T0454Z.210505T0500Z.210505T0507Z.UU/
1242 AM EDT Wed May 5 2021
The National Weather Service in Peachtree City has issued a
* Flood Warning for
the Big Creek near Cumming.
* Until this morning.
* At 11:45 PM EDT Tuesday the stage was 5.8 feet and rising.
* Flood stage is 6 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage early
this morning to a crest of 6 feet. It will then fall below flood
stage later this morning.
* Impact...At 6 feet, Flood stage is reached. Minor flooding will
expand into the natural flood plain of the creek upstream and
downstream from the gage at Atlanta Highway or Georgia Highway 9.
Large portions of the sidewalk and boardwalk of the Big Creek
Greenway will begin to flood. The areas under the Georgia 400
Highway and McFarland Road will be covered with around one foot of
water. A portion of the sidewalk under Majors Road will be covered
with around two feet of water.
&&
LAT...LON 3418 8424 3417 8420 3411 8419 3410 8420
3410 8425 3411 8424
$$4 follow-up statements
894
WGUS82 KFFC 050931
FLSFFC
Flood Statement
National Weather Service Peachtree City GA
531 AM EDT Wed May 5 2021
...The Flood Warning is extended for the following rivers in
Georgia...
Big Creek near Cumming affecting Forsyth County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Additional information is available at weather.gov/atlanta.
&&
GAC117-051930-
/O.EXT.KFFC.FL.W.0109.000000T0000Z-210505T1923Z/
/CMGG1.1.ER.210505T0425Z.210505T1000Z.210505T1323Z.UU/
531 AM EDT Wed May 5 2021
...The Flood Warning is now in effect until late this afternoon...
The Flood Warning continues for
the Big Creek near Cumming.
* Until this afternoon.
* At 4:45 AM EDT today the stage was 6.6 feet and nearly steady.
* Flood stage is 6 feet.
* Minor flooding is occurring and forecast.
* Forecast...The river is expected to fall below flood stage late
this morning.
* Impact...At 7 feet, Minor flooding continues to expand into the
natural flood plain of the creek upstream and downstream from the
gage at Atlanta Highway or Georgia Highway 9. Large portions of
the sidewalk and boardwalk of the Big Creek Greenway will be
flooded. The areas under the Georgia 400 Highway and McFarland
Road will be covered with around two feet of water. A portion of
the sidewalk under Majors Road will be covered with around 3 feet
of water.
&&
LAT...LON 3418 8424 3417 8420 3411 8419 3410 8420
3410 8425 3411 8424
$$553
WGUS82 KFFC 050935
FLSFFC
Flood Statement
National Weather Service Peachtree City GA
535 AM EDT Wed May 5 2021
...The Flood Warning continues for the following rivers in Georgia...
Big Creek near Cumming affecting Forsyth County.
For the Big Creek...including Cumming...Minor flooding is forecast.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Additional information is available at weather.gov/atlanta.
&&
GAC117-051930-
/O.CON.KFFC.FL.W.0109.000000T0000Z-210505T1923Z/
/CMGG1.1.ER.210505T0425Z.210505T1000Z.210505T1323Z.UU/
535 AM EDT Wed May 5 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Big Creek near Cumming.
* Until this afternoon.
* At 4:45 AM EDT today the stage was 6.6 feet and nearly steady.
* Flood stage is 6 feet.
* Minor flooding is occurring and forecast.
* Forecast...The river is expected to fall below flood stage this
afternoon.
* Impact...At 7 feet, Minor flooding continues to expand into the
natural flood plain of the creek upstream and downstream from the
gage at Atlanta Highway or Georgia Highway 9. Large portions of
the sidewalk and boardwalk of the Big Creek Greenway will be
flooded. The areas under the Georgia 400 Highway and McFarland
Road will be covered with around two feet of water. A portion of
the sidewalk under Majors Road will be covered with around 3 feet
of water.
&&
LAT...LON 3418 8424 3417 8420 3411 8419 3410 8420
3410 8425 3411 8424
$$705
WGUS82 KFFC 050938
FLSFFC
Flood Statement
National Weather Service Peachtree City GA
538 AM EDT Wed May 5 2021
...The Flood Warning continues for the following rivers in Georgia...
Big Creek near Cumming affecting Forsyth County.
For the Big Creek...including Cumming...Minor flooding is forecast.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Additional information is available at weather.gov/atlanta.
&&
GAC117-051930-
/O.CON.KFFC.FL.W.0109.000000T0000Z-210505T1923Z/
/CMGG1.1.ER.210505T0425Z.210505T1000Z.210505T1323Z.UU/
538 AM EDT Wed May 5 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Big Creek near Cumming.
* Until this afternoon.
* At 4:45 AM EDT Wednesday the stage was 6.6 feet and rising.
* Flood stage is 6.0 feet.
* Minor flooding will continue.
* Forecast...The river is expected to fall below flood stage late
this morning and continue falling to 5.8 feet later today.
* Impact...At 7.0 feet, Minor flooding continues to expand into the
natural flood plain of the creek upstream and downstream from the
gage at Atlanta Highway or Georgia Highway 9. Large portions of
the sidewalk and boardwalk of the Big Creek Greenway will be
flooded. The areas under the Georgia 400 Highway and McFarland
Road will be covered with around two feet of water. A portion of
the sidewalk under Majors Road will be covered with around 3 feet
of water.
&&
LAT...LON 3418 8424 3417 8420 3411 8419 3410 8420
3410 8425 3411 8424
$$681
WGUS82 KFFC 051515
FLSFFC
Flood Statement
National Weather Service Peachtree City GA
1115 AM EDT Wed May 5 2021
...The Flood Warning is cancelled for the following rivers in
Georgia...
Big Creek near Cumming affecting Forsyth County.
GAC117-051615-
/O.CAN.KFFC.FL.W.0109.000000T0000Z-210505T1515Z/
/CMGG1.1.ER.210505T0425Z.210505T0945Z.210505T1221Z.UU/
1115 AM EDT Wed May 5 2021
...The Flood Warning for the Big Creek near Cumming has been
cancelled...
The Flood Warning is cancelled for
the Big Creek near Cumming.
* At 10:45 AM EDT Wednesday the stage was 4.7 feet.
* Flood stage is 6 feet.
* Forecast...The creek stage is falling and forecast to continuing
falling.
&&
LAT...LON 3418 8424 3417 8420 3411 8419 3410 8420
3410 8425 3411 8424
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 8:24 PM EDT | Flash Flood Warning | FFC | Heard, Troup | 4 hr |
| May 4, 8:25 PM EDT | Severe Thunderstorm Warning | FFC | Chattahoochee, Harris, Meriwether, Muscogee, Talbot, Troup | 50 min |
| May 4, 8:34 PM EDT | Special Weather Statement | FFC | Dodge | 26 min |
| May 4, 8:41 PM EDT | River Flood Warning | FFC | Polk | 10 hr |
| May 4, 8:46 PM EDT | Severe Thunderstorm Warning | FFC | Stewart, Webster | 44 min |
| May 4, 8:55 PM EDT | Severe Thunderstorm Warning | FFC | Marion | 50 min |
| May 4, 8:58 PM EDT | Severe Thunderstorm Warning | FFC | Coweta, Fayette, Meriwether, Pike, Spalding | 32 min |
| May 4, 9:15 PM EDT | Severe Thunderstorm Warning | FFC | Crawford, Lamar, Macon, Marion, Meriwether, Monroe and 8 more | 45 min |
| May 4, 9:20 PM EDT | Special Weather Statement | FFC | Telfair | 25 min |
| May 4, 9:50 PM EDT | Severe Thunderstorm Warning | FFC | Bibb, Crawford, Crisp, Dooly, Houston, Lamar and 7 more | 25 min |
| May 4, 10:01 PM EDT | Special Weather Statement | FFC | Telfair | 29 min |
| May 4, 10:14 PM EDT | River Flood Warning | FFC | Chattooga | 8 hr |
| May 4, 10:16 PM EDT | Special Weather Statement | FFC | Bibb, Bleckley, Crisp, Dodge, Dooly, Houston and 5 more | 29 min |
| May 4, 10:46 PM EDT | Special Weather Statement | FFC | Baldwin, Bleckley, Dodge, Jones, Laurens, Telfair and 3 more | 44 min |
| May 4, 10:51 PM EDT | River Flood Warning | FFC | Cobb, Douglas | 64 hr |
| May 4, 11:26 PM EDT | Special Weather Statement | FFC | Emanuel, Glascock, Jefferson, Johnson, Montgomery, Telfair and 4 more | 49 min |
| May 4, 11:32 PM EDT | River Flood Warning | FFC | Cobb | 7 hr |
| May 5, 12:55 AM EDT | River Flood Warning | FFC | Cobb | 10 hr |
| May 5, 1:45 AM EDT | River Flood Warning | FFC | Haralson | 24 hr |
| May 5, 2:42 AM EDT | River Flood Warning | FFC | Gwinnett, Walton | 4 hr |
| May 5, 5:51 AM EDT | River Flood Warning | FFC | Bibb, Houston, Jones, Monroe, Twiggs | 4 days |
| May 5, 6:36 AM EDT | River Flood Warning | FFC | Gwinnett | 9 hr |
| May 5, 6:46 AM EDT | River Flood Warning | FFC | Carroll, Coweta, Heard | 19 hr |
| May 5, 11:07 AM EDT | River Flood Warning | FFC | Cobb, Paulding | 18 hr |
| May 5, 3:08 PM EDT | River Flood Warning | FFC | Floyd | 31 hr |
| May 5, 6:12 PM EDT | River Flood Warning | FFC | Cobb, Douglas | 19 hr |
Nearby
River Flood Warnings in Georgia, 2021Every river flood warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.