Alert archive / Georgia / Flash Flood Warnings in 2018
Flash Flood Warning 4, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at May 18, 2018, 11:23 PM EDT for Murray County, Whitfield County, Georgia. It was in force for 6 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
- May 18, 2018, 11:23 PM EDT (03:23 UTC)
- Expired
- May 19, 2018, 5:15 AM EDT
- In force
- 6 hr
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Murray County, GA, Whitfield County, GA
The radar
The Northeast Alabama radar (KHTX), 125 km from the middle of the area, began a volume at 03:27 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 |
|---|---|---|---|
| May 18, 11:30 PM EDT | FLASH FLOOD | Chatsworth, GA | NUMEROUS REPORTS REGARDING STREET FLOODING ESPECIALLY IN CHATSWORTH BUT EXTENDING ALONG MUCH OF HWY 411 THRU THE COUNTY. SEVERAL FLOODED ROADWAYS INCLUDE: HWY 411 NEAR INTERSECTION OF W CHESTNUT ST, FORT MOUNTAIN DRIVE, MISTY VALLEY DRIVE AND AREAS NORTH OF CH |
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 00:00Z, 3.4 hours before the alert went out and 150 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
- 660 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 1014 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 82 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
394
WGUS52 KFFC 190323
FFWFFC
GAC213-313-190915-
/O.NEW.KFFC.FF.W.0004.180519T0323Z-180519T0915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Peachtree City GA
1123 PM EDT FRI MAY 18 2018
The National Weather Service in Peachtree City has issued a
* Flash Flood Warning for...
Murray County in northwestern Georgia...
Eastern Whitfield County in northwestern Georgia...
* Until 515 AM EDT.
* At 1122 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Up to two inches of rain have
already fallen. Flash flooding is expected.
* Some locations that will experience flooding include...
Dalton, Chatsworth, Eton, Crandall, Carters, Sumac, Ramhurst,
Gregory, Tilton, Conasauga Lake, Beaverdale, Dawnville, Cisco, Fort
Mountain State Park and North Georgia Speedway.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 3497 8462 3485 8462 3475 8464 3473 8466
3469 8466 3459 8468 3460 8473 3461 8473
3461 8472 3462 8472 3462 8474 3461 8475
3461 8480 3463 8488 3463 8492 3464 8500
3498 8486
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 18, 10:45 PM EDT | Special Weather Statement | FFC | Bartow, Gordon, Murray, Polk | 30 min |
| May 18, 11:15 PM EDT | Special Weather Statement | FFC | Bartow, Gordon, Murray, Polk | 30 min |
| May 18, 11:45 PM EDT | Special Weather Statement | FFC | Gordon | 30 min |
| May 19, 12:04 AM EDT | Flash Flood Warning | FFC | Bartow, Floyd, Gordon | 6 hr |
| May 19, 9:15 AM EDT | River Flood Warning | FFC | Murray, Whitfield | 30 hr |
| May 19, 11:16 AM EDT | River Flood Warning | FFC | Gordon | 11 hr |
| May 19, 5:38 PM EDT | Special Weather Statement | FFC | Stewart | 22 min |
| May 19, 6:51 PM EDT | Special Weather Statement | FFC | Wheeler | 24 min |
Nearby
Flash Flood Warnings in Georgia, 2018Every flash flood warning in 2018
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.