Alert archive / Georgia / Flash Flood Warnings in 2020
Flash Flood Warning 68, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at Nov 11, 2020, 5:55 PM EST for Bartow County, Gordon County, Georgia. It was in force for 4 hr. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Nov 11, 2020, 5:55 PM EST (22:55 UTC)
- Expired
- Nov 11, 2020, 10:07 PM EST
- In force
- 4 hr
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Bartow County, GA, Gordon County, GA
The radar
The Atlanta radar (KFFC), 121 km from the middle of the area, began a volume at 22:55 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Nov 11, 6:30 PM EST | FLASH FLOOD | 1 S Adairsville, GA | WHITE ROAD AND SEVERAL OTHER ROADS AROUND ADAIRSVILLE WERE REPORTED WITH WATER RUNNING OVER THEM. NO ROADS WERE CLOSED DUE TO FLOODING. SEVERAL FIELDS AND PASTURES WERE REPORTED FLOODED AS WELL. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 10.9 hours before the alert went out and 122 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 222 J/kg
- Mixed-layer CIN
- -41 J/kg
- Mixed-layer LCL
- 572 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 68 m²/s²
- 0-3 km storm-relative helicity
- 111 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
285
WGUS52 KFFC 112255
FFWFFC
GAC015-129-120500-
/O.NEW.KFFC.FF.W.0068.201111T2255Z-201112T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Peachtree City GA
555 PM EST Wed Nov 11 2020
The National Weather Service in Peachtree City has issued a
* Flash Flood Warning for...
Northwestern Bartow County in northwestern Georgia...
Eastern Gordon County in northwestern Georgia...
* Until midnight EST Thursday.
* At 555 PM EST, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 2.5 inches of
rain have fallen. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Doppler radar.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
* Some locations that will experience flash flooding include...
Adairsville, Ranger, Sonoraville, Folsom and Oakman.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3440 8493 3445 8489 3458 8476 3458 8469
3450 8470 3439 8481 3431 8490 3428 8499
3433 8499
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...0.25-1 INCH IN 2 HOURS
$$1 follow-up statement
048
WGUS72 KFFC 120307
FFSFFC
Flash Flood Statement
National Weather Service Peachtree City GA
1007 PM EST Wed Nov 11 2020
GAC015-129-120317-
/O.CAN.KFFC.FF.W.0068.000000T0000Z-201112T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bartow GA-Gordon GA-
1007 PM EST Wed Nov 11 2020
...FLASH FLOOD WARNING IS CANCELLED FOR NORTHWESTERN BARTOW AND
EASTERN GORDON COUNTIES...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
LAT...LON 3440 8493 3445 8489 3458 8476 3458 8469
3450 8470 3439 8481 3431 8490 3428 8499
3433 8499
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 11, 3:58 PM EST | Special Weather Statement | FFC | Washington | 32 min |
| Nov 11, 5:38 PM EST | Special Weather Statement | FFC | Gilmer, Gordon | 22 min |
Nearby
Flash Flood Warnings in Georgia, 2020Every flash flood warning in 2020
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.