Alert archive / Georgia / Flash Flood Warnings in 2012
Flash Flood Warning 17, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at Aug 7, 2012, 8:12 PM EDT for Banks County, Jackson County, Madison County, Georgia. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 7, 2012, 8:12 PM EDT (00:12 UTC)
- Expired
- Aug 7, 2012, 10:20 PM EDT
- In force
- 2 hr
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Banks County, GA, Jackson County, GA, Madison County, GA
The radar
The Greer radar (KGSP), 122 km from the middle of the area, began a volume at 00:12 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, 0.2 hours before the alert went out and 148 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
- 294 J/kg
- Mixed-layer CIN
- -41 J/kg
- Mixed-layer LCL
- 1066 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- -9 m²/s²
- 0-3 km storm-relative helicity
- 25 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
156
WGUS52 KFFC 080012
FFWFFC
GAC011-157-195-080600-
/O.NEW.KFFC.FF.W.0017.120808T0012Z-120808T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
812 PM EDT TUE AUG 7 2012
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHERN BANKS COUNTY IN NORTHEAST GEORGIA
NORTHEASTERN JACKSON COUNTY IN NORTHEAST GEORGIA
NORTHWESTERN MADISON COUNTY IN NORTHEAST GEORGIA
* UNTIL 200 AM EDT
* AT 802 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH HEAVY RAIN MAY BE CAUSING FLASH FLOODING OVER
THE WARNED AREA. RAINFALL AMOUNTS UP TO 3 INCHES HAS OCCURRED
SINCE 630 PM EDT. SOME CREEKS THAT MAY FLOOD ARE CROOKED CREEK...
BEAVERDAM CREEK...BORDERS CREEK AND GROVE CREEK.
ANOTHER INCH OR TWO OF RAIN IS POSSIBLE BEFORE IT ENDS THIS LATER
THIS EVENING.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MAYSVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...AS WELL AS HIGHWAYS AND UNDERPASSES. THIS WILL
INCLUDE INTERSTATE 85.
ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF
CREEKS...STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING.
IF YOU SEE SIGNIFICANT FLOODING CALL THE NATIONAL WEATHER SERVICE
TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6. YOU CAN ALSO TWEET YOUR REPORT
USING HASHTAG GAWX.
&&
LAT...LON 3432 8338 3425 8333 3427 8330 3425 8325
3425 8319 3425 8316 3426 8314 3426 8313
3408 8314 3413 8362 3433 8358
$$
161 follow-up statement
936
WGUS72 KFFC 080220
FFSFFC
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1020 PM EDT TUE AUG 7 2012
GAC011-157-195-080245-
/O.CAN.KFFC.FF.W.0017.000000T0000Z-120808T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MADISON GA-BANKS GA-JACKSON GA-
1020 PM EDT TUE AUG 7 2012
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR NORTHEASTERN
JACKSON...SOUTHERN BANKS AND NORTHWESTERN MADISON COUNTIES...
EARLIER THIS EVENING...RAINFALL AMOUNTS OF 3 TO 4 INCHES OCCURRED
OVER THE BANKS...JACKSON AND MADISON COUNTY LINES NEAR BANKS
CROSSING. COUNTY OFFICIALS FOR THE THREE COUNTIES HAVE INDICATED NO
REPORTS OF SIGNIFICANT FLOODING ON CREEKS OR RIVERS IN THE WARNED
AREA. THERE WERE SEVERAL REPORTS OF CAR ACCIDENTS...ESPECIALLY ON
INTERSTATE 85 NEAR BANKS CROSSING.
THE RAIN HAS ENDED OVER THE WARNED AREA AND THE WARNING HAS BEEN
CANCELLED.
IF YOU SEE SIGNIFICANT FLOODING CALL THE NATIONAL WEATHER SERVICE
TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6. YOU CAN ALSO TWEET YOUR REPORT
USING HASHTAG GAWX.
LAT...LON 3432 8338 3425 8333 3427 8330 3425 8325
3425 8319 3425 8316 3426 8314 3426 8313
3408 8314 3413 8362 3433 8358
$$
16The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 8:58 PM EDT | Special Weather Statement | FFC | Jones, Monroe | 62 min |
| Aug 8, 4:18 PM EDT | Special Weather Statement | FFC | White | 27 min |
| Aug 8, 4:38 PM EDT | Special Weather Statement | FFC | White | 37 min |
| Aug 8, 5:10 PM EDT | Special Weather Statement | FFC | Hall | 35 min |
| Aug 8, 5:16 PM EDT | Severe Thunderstorm Warning | FFC | Banks, Hall | 44 min |
| Aug 8, 5:31 PM EDT | Special Weather Statement | FFC | Jackson | 29 min |
| Aug 8, 5:41 PM EDT | Special Weather Statement | FFC | White | 79 min |
| Aug 8, 6:00 PM EDT | Special Weather Statement | FFC | Jackson | 90 min |
| Aug 8, 6:01 PM EDT | Special Weather Statement | FFC | Clarke, Oconee | 29 min |
| Aug 8, 6:05 PM EDT | Special Weather Statement | FFC | Hall | 25 min |
| Aug 8, 6:16 PM EDT | Special Weather Statement | FFC | Bartow, Floyd | 29 min |
| Aug 8, 6:27 PM EDT | Special Weather Statement | FFC | Clarke, Oconee | 63 min |
| Aug 8, 6:30 PM EDT | Special Weather Statement | FFC | Whitfield | 30 min |
| Aug 8, 6:34 PM EDT | Special Weather Statement | FFC | Hall | 26 min |
| Aug 8, 6:47 PM EDT | Special Weather Statement | FFC | Barrow | 28 min |
| Aug 8, 7:01 PM EDT | Special Weather Statement | FFC | Whitfield | 29 min |
| Aug 8, 7:16 PM EDT | Special Weather Statement | FFC | Barrow, Gwinnett, Walton | 29 min |
| Aug 8, 7:38 PM EDT | Special Weather Statement | FFC | Gordon | 37 min |
| Aug 8, 7:41 PM EDT | Special Weather Statement | FFC | DeKalb, Gwinnett, Walton | 34 min |
| Aug 8, 7:55 PM EDT | Special Weather Statement | FFC | Chattooga | 35 min |
Nearby
Flash Flood Warnings in Georgia, 2012Every flash flood warning in 2012
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.