Alert archive / Georgia / River Flood Warnings in 2017

River Flood Warning 82, NWS Atlanta, GA

September 12, 2017Gwinnett County, Georgia

NWS Atlanta, GA issued this river flood warning at Sep 12, 2017, 8:41 AM EDT for Gwinnett County, Georgia. It took effect at Sep 12, 2017, 11:47 AM EDT. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued
Sep 12, 2017, 8:41 AM EDT (12:41 UTC)
In effect from
Sep 12, 2017, 11:47 AM EDT
Expired
Sep 12, 2017, 8:13 PM EDT
In force
8 hr
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Flood severity
Minor

County Gwinnett County, GA

The radar

The Atlanta radar (KFFC), 92 km from the middle of the area, began a volume at 12:43 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 Suwanee Creek at Suwanee (SWEG1). The gauge peaked at 7.99 ft at Sep 12, 2017, 11:00 AM EDT.

actionminormoderate051009/1209/1309/14
Action stage
7 ft
Minor stage
8 ft
Moderate stage
11 ft
Major stage
14 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 02334885, 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.

318 
WGUS42 KFFC 121241
FLWFFC
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Peachtree City GA
841 AM EDT Tue Sep 12 2017

...The National Weather Service in Peachtree City has issued a Flood 
Warning for the following rivers in Georgia...

  Suwanee Creek near Suwanee affecting Gwinnett County


.Recent heavy rainfall has caused significant runoff into streams and
rivers which will cause flooding in some areas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

All persons with interests along the river should monitor the latest
forecasts...and be prepared to take necessary precautions to protect
life and property.

The latest stage data was furnished in cooperation with the United 
States Geological Survey.

&&

GAC135-130013-
/O.NEW.KFFC.FL.W.0082.170912T1547Z-170913T0013Z/
/SWEG1.1.ER.170912T1547Z.170912T1800Z.170912T1813Z.NO/
841 AM EDT Tue Sep 12 2017

The National Weather Service in Peachtree City has issued a
* Flood Warning for 
  The Suwanee Creek near Suwanee.
* From this morning until this evening.
* At 8AM Tuesday the stage was 7.8 feet...and rising.
* Minor flooding is forecast.
* Flood stage is 8 feet.
* Forecast to rise above flood stage by late this morning and 
  continue to rise to near 8.1 feet by this afternoon.The river will 
  fall below flood stage by this afternoon.
* At 8.0 feet...Flood Stage is reached. Minor flooding begins along 
  the creek upstream and downstream from the gage at U S Highway 23 
  or Buford Highway. Portions of the Suwanee Creek Park off of 
  Suwanee Creek Trail begin to flood to Martin Farm Road. This will 
  also include areas behind the Suwanee Elementary School and the 
  George Pierce Park.
  

&&

LAT...LON 3412 8403 3410 8396 3403 8398 3401 8413
      3403 8412 3406 8409             

$$
1 follow-up statement
666 
WGUS82 KFFC 121928
FLSFFC
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Statement
National Weather Service Peachtree City GA
328 PM EDT Tue Sep 12 2017

...The Flood Warning is cancelled for the following rivers in 
Georgia...
 
  Suwanee Creek near Suwanee affecting Gwinnett County

 
GAC135-121958-
/O.CAN.KFFC.FL.W.0082.000000T0000Z-170913T0013Z/
/SWEG1.1.ER.170912T1505Z.170912T1515Z.170912T1545Z.NO/
328 PM EDT Tue Sep 12 2017

The Flood Warning is cancelled for
  The Suwanee Creek near Suwanee.
* This takes effect immediately.
* Until this evening.
* At 315 PM Tuesday the stage was 7.8 feet and falling.
* Flood stage is 8 feet.
* The creek will continue to fall.
* Between 7 and 8 feet, portions of the Suwanee Creek Greenway 
  and trails in the park to Martin Farm Road are flooded. This 
  includes the low lying areas behind the Suwanee Elementary 
  School and the George Pierce Park.


&&

LAT...LON 3412 8403 3410 8396 3403 8398 3401 8413
      3403 8412 3406 8409             

$$

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 11, 8:06 PM EDTSpecial Weather StatementFFCLamar, Monroe24 min
Sep 11, 8:15 PM EDTSpecial Weather StatementFFCJones, Monroe30 min
Sep 11, 8:21 PM EDTSpecial Weather StatementFFCPutnam24 min
Sep 11, 8:41 PM EDTSpecial Weather StatementFFCButts34 min
Sep 11, 9:04 PM EDTSpecial Weather StatementFFCHancock26 min
Sep 11, 9:05 PM EDTFlash Flood WarningFFCCatoosa, Fannin, Gilmer, Murray, Whitfield6 hr
Sep 11, 9:08 PM EDTSpecial Weather StatementFFCWilkes37 min
Sep 11, 9:38 PM EDTSpecial Weather StatementFFCJasper37 min
Sep 11, 10:56 PM EDTWind AdvisoryFFCBaldwin, Banks, Barrow, Bartow, Butts, Carroll and 59 more4 hr
Sep 12, 4:02 AM EDTRiver Flood WarningFFCCarroll, Coweta, Heard34 hr
Sep 12, 4:18 AM EDTRiver Flood WarningFFCCobb, Douglas44 hr
Sep 12, 4:23 AM EDTRiver Flood WarningFFCBibb, Houston, Jones, Monroe, Twiggs3 days
Sep 12, 4:23 AM EDTRiver Flood WarningFFCJohnson, Washington, Wilkinson24 hr

Nearby

River Flood Warnings in Georgia, 2017Every river flood warning in 2017

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.