Alert archive / Georgia / Flash Flood Warnings in 2011
Flash Flood Warning 7, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at May 27, 2011, 4:49 AM EDT for DeKalb County, Fulton County, Georgia. It was in force for 90 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 27, 2011, 4:49 AM EDT (08:49 UTC)
- Expired
- May 27, 2011, 6:19 AM EDT
- In force
- 90 min
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Flood severity
- None
Counties DeKalb County, GA, Fulton County, GA
The radar
The Atlanta radar (KFFC), 58 km from the middle of the area, began a volume at 08:51 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 nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 8.8 hours before the alert went out and 55 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
- 111 J/kg
- Mixed-layer CIN
- -162 J/kg
- Mixed-layer LCL
- 1444 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 148 m²/s²
- 0-3 km storm-relative helicity
- 176 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
592
WGUS52 KFFC 270849
FFWFFC
GAC089-121-271345-
/O.NEW.KFFC.FF.W.0007.110527T0849Z-110527T1345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
449 AM EDT FRI MAY 27 2011
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CENTRAL DEKALB COUNTY IN NORTH CENTRAL GEORGIA
CENTRAL FULTON COUNTY IN NORTH CENTRAL GEORGIA
* UNTIL 945 AM EDT
* AT 442 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED HEAVY
RAIN HAD FALLEN OVER THE WARNED AREA.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LA VISTA...
BROOKHAVEN...DRUID HILLS AND PORTIONS OF NORTH AND EAST ATLANTA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS AND STREETS AS WELL AS OTHER
DRAINAGE AREAS AND LOW LYING SPOTS. MINOR FLOODING IS EXPECTED ALONG
PORTIONS OF THE NORTH AND SOUTH BRANCHES OF PEACHTREE CREEK AND
POSSIBLY ALONG PORTIONS OF THE MAIN BRANCH OF PEACHTREE CREEK.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS...OR WATERS OF UNKNOWN DEPTH...ON FOOT OR IN
AN AUTOMOBILE.
IF YOU SEE SIGNIFICANT FLOODING CALL THE NATIONAL WEATHER SERVICE
TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.
&&
LAT...LON 3383 8440 3391 8425 3389 8422 3377 8423
3380 8441
$$1 follow-up statement
053
WGUS72 KFFC 271019
FFSFFC
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
619 AM EDT FRI MAY 27 2011
GAC089-121-271022-
/O.CAN.KFFC.FF.W.0007.000000T0000Z-110527T1345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DEKALB GA-FULTON GA-
619 AM EDT FRI MAY 27 2011
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR CENTRAL FULTON AND
CENTRAL DEKALB COUNTIES...
THE HEAVY RAIN HAS MOVED WELL EAST OF THE AREA AND THE FLASH FLOOD
THREAT HAS ENDED. ALTHOUGH MANY SMALL CREEKS...STREAMS AND BRANCHES
ARE STILL RUNNING AROUND BANKFULL...MOST HAVE BEGUN TO FALL AND THIS
TREND WILL CONTINUE.
PERSONS IN THE ATLANTA METRO ARE REMINDED TO REMAIN CAUTIOUS AROUND
AREA CREEKS AND STREAMS.
IF YOU SEE SIGNIFICANT FLOODING CALL THE NATIONAL WEATHER SERVICE
TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.
LAT...LON 3383 8440 3391 8425 3389 8422 3377 8423
3380 8441
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 26, 9:37 PM EDT | Special Weather Statement | FFC | Jefferson, Johnson | 38 min |
| May 26, 9:39 PM EDT | Severe Thunderstorm Warning | FFC | Emanuel, Montgomery, Toombs, Treutlen | 51 min |
| May 26, 9:49 PM EDT | Special Weather Statement | FFC | Emanuel | 26 min |
| May 26, 10:04 PM EDT | Severe Thunderstorm Warning | FFC | Emanuel, Jefferson | 41 min |
| May 27, 12:53 AM EDT | Special Weather Statement | FFC | Fayette | 22 min |
| May 27, 1:37 AM EDT | Special Weather Statement | FFC | Washington | 38 min |
| May 27, 2:13 AM EDT | Special Weather Statement | FFC | Johnson | 32 min |
| May 27, 2:17 AM EDT | Special Weather Statement | FFC | Coweta | 43 min |
| May 27, 2:26 AM EDT | Special Weather Statement | FFC | Coweta | 34 min |
| May 27, 2:35 AM EDT | Special Weather Statement | FFC | Jefferson | 40 min |
| May 27, 2:50 AM EDT | Special Weather Statement | FFC | DeKalb, Fulton | 2 hr |
| May 27, 2:55 AM EDT | Special Weather Statement | FFC | Coweta, Fayette | 50 min |
| May 27, 10:09 AM EDT | Special Weather Statement | FFC | Jefferson | 36 min |
| May 27, 11:32 AM EDT | Special Weather Statement | FFC | Telfair | 28 min |
| May 27, 12:28 PM EDT | Special Weather Statement | FFC | Taliaferro | 32 min |
| May 27, 1:01 PM EDT | Special Weather Statement | FFC | Wilkes | 29 min |
| May 27, 1:16 PM EDT | Special Weather Statement | FFC | Taliaferro, Wilkes | 59 min |
| May 27, 1:44 PM EDT | Special Weather Statement | FFC | Bibb, Jones | 31 min |
| May 27, 2:00 PM EDT | Special Weather Statement | FFC | Taliaferro | 30 min |
| May 27, 2:08 PM EDT | Severe Thunderstorm Warning | FFC | Hancock, Taliaferro, Warren, Wilkes | 52 min |
| May 27, 2:21 PM EDT | Special Weather Statement | FFC | Baldwin | 24 min |
| May 27, 2:59 PM EDT | Special Weather Statement | FFC | Glascock, Hancock, Warren | 46 min |
| May 27, 3:44 PM EDT | Special Weather Statement | FFC | Glascock, Hancock, Taliaferro, Warren | 46 min |
| May 27, 4:02 PM EDT | Special Weather Statement | FFC | Wilkinson | 28 min |
| May 27, 4:32 PM EDT | Special Weather Statement | FFC | Wilkinson | 43 min |
| May 27, 4:38 PM EDT | Severe Thunderstorm Warning | FFC | Laurens, Wilkinson | 52 min |
| May 27, 5:09 PM EDT | Special Weather Statement | FFC | Emanuel | 21 min |
| May 27, 5:27 PM EDT | Special Weather Statement | FFC | Johnson | 48 min |
| May 27, 5:29 PM EDT | Severe Thunderstorm Warning | FFC | Laurens | 46 min |
| May 27, 5:38 PM EDT | Severe Thunderstorm Warning | FFC | Jefferson, Johnson, Washington | 33 min |
| May 27, 5:51 PM EDT | Special Weather Statement | FFC | Telfair | 39 min |
| May 27, 6:14 PM EDT | Special Weather Statement | FFC | Emanuel | 46 min |
| May 27, 6:25 PM EDT | Severe Thunderstorm Warning | FFC | Laurens, Treutlen | 50 min |
| May 27, 6:56 PM EDT | Special Weather Statement | FFC | Montgomery, Toombs | 49 min |
Nearby
Flash Flood Warnings in Georgia, 2011Every flash flood warning in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.