River Flood Warning 21, NWS Atlanta, GA

Issued

Feb 4, 2022, 4:50 AM EST (09:50 UTC)

In effect from

Feb 4, 2022, 5:07 AM EST

Expired

Feb 4, 2022, 11:25 AM EST

In force

6 hr

Issued by

NWS Atlanta, GA

Area

Storm-based polygon

Flood severity

Minor

Counties Gwinnett County, GA, Walton County, GA

The Atlanta radar (KFFC), 87 km from the middle of the area, began a volume at 09:54 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.

Written for the forecast point Alcovy River at New Hope Road near Grayson (ALCG1). The gauge peaked at 10.43 ft at Feb 4, 2022, 8:00 AM EST.

Action stage

7 ft

Minor stage

9 ft

Moderate stage

11 ft

Major stage

16 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 02208150, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

600 
WGUS42 KFFC 040950
FLWFFC

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Peachtree City GA
450 AM EST Fri Feb 4 2022

...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.

For the Alcovy River Basin...including Lawrenceville...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.

&&


GAC135-297-041845-
/O.NEW.KFFC.FL.W.0021.220204T1007Z-220204T1838Z/
/ALCG1.1.ER.220204T1007Z.220204T1200Z.220204T1237Z.UU/
450 AM EST Fri Feb 4 2022

...FLOOD WARNING IN EFFECT UNTIL THIS AFTERNOON...

* WHAT...Minor flooding is occurring.

* WHERE...Alcovy River near Lawrenceville.

* WHEN...Until this afternoon.

* IMPACTS...At 9 feet, Flood stage is reached. Minor flooding begins 
  of the woodlands upstream and downstream from the river gauge at 
  New Hope Road.

* ADDITIONAL DETAILS...
  - At 4:31 AM EST Friday the stage was 9.0 feet.
  - Forecast...The river is expected to rise above flood stage
    early this morning to a crest of 9.1 feet this morning. It
    will then fall below flood stage this morning.
  - Flood stage is 9 feet.
  - Flood History...This crest compares to a previous crest of
    9.1 feet on 05/04/2021.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 3391 8394 3394 8392 3396 8388 3383 8374
      3379 8379


$$

504 
WGUS82 KFFC 041422
FLSFFC

Flood Statement
National Weather Service Peachtree City GA
922 AM EST Fri Feb 4 2022

...The Flood Warning is extended for the following rivers in 
Georgia...

  Alcovy River near Lawrenceville affecting Gwinnett and Walton 
  Counties.

For the Alcovy River Basin...including Jersey, Oxford, 
Lawrenceville, Lawrenceville, Lawrenceville, Covington, Alcovy, 
Mansfield, High Point...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.

&&


GAC135-297-042345-
/O.EXT.KFFC.FL.W.0021.000000T0000Z-220204T2342Z/
/ALCG1.1.ER.220204T0933Z.220204T1246Z.220204T1742Z.UU/
922 AM EST Fri Feb 4 2022

...FLOOD WARNING NOW IN EFFECT UNTIL THIS EVENING...

* WHAT...Minor flooding will continue.

* WHERE...Alcovy River near Lawrenceville.

* WHEN...Until this evening.

* IMPACTS...At 10 feet, Minor flooding continues to expand further 
  into the woodlands upstream and downstream from the river gauge at 
  New Hope Road.

* ADDITIONAL DETAILS...
  - At 9:01 AM EST Friday the stage was 10.1 feet and falling.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 9:01 AM EST Friday was 10.4 feet.
  - Forecast...The river is expected to fall below flood stage
    this afternoon and continue falling to 3.8 feet tomorrow
    morning.
  - Flood stage is 9 feet.


&&

LAT...LON 3391 8394 3394 8392 3396 8388 3383 8374
      3379 8379


$$

084 
WGUS82 KFFC 041625
FLSFFC

Flood Statement
National Weather Service Peachtree City GA
1125 AM EST Fri Feb 4 2022

...The Flood Warning is cancelled for the following rivers in 
Georgia...

  Alcovy River near Lawrenceville affecting Gwinnett and Walton 
  Counties.

GAC135-297-041730-
/O.CAN.KFFC.FL.W.0021.000000T0000Z-220204T1625Z/
/ALCG1.1.ER.220204T0933Z.220204T1246Z.220204T1544Z.UU/
1125 AM EST Fri Feb 4 2022

...FLOOD WARNING IS CANCELLED...

The Flood Warning is cancelled for
  the Alcovy River near Lawrenceville.

* ADDITIONAL DETAILS...
  - At 11:17 AM EST Friday the stage was 8.7 feet and falling.
  - Forecast...The river is expected to fall to 3.9 feet this
    evening.


&&

LAT...LON 3391 8394 3394 8392 3396 8388 3383 8374
      3379 8379


$$

River Flood Warnings in Georgia, 2022Every river flood warning in 2022

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.