Alert archive / Georgia / Flash Flood Warnings in 2013

Flash Flood Warning 37, NWS Atlanta, GA

July 3, 2013Baldwin County, Wilkinson County, Georgia

NWS Atlanta, GA issued this flash flood warning at Jul 3, 2013, 4:31 PM EDT for Baldwin County, Wilkinson 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
Jul 3, 2013, 4:31 PM EDT (20:31 UTC)
Expired
Jul 3, 2013, 10:30 PM EDT
In force
6 hr
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Flood severity
None

Counties Baldwin County, GA, Wilkinson County, GA

The radar

The Robins AFB radar (KJGX), 46 km from the middle of the area, began a volume at 20:33 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

TimeReportWhereRemark
Jul 3, 8:30 PM EDTFLASH FLOOD5 S Milledgeville, GAWATER FROM REEDY CREEK OUT OF ITS BANKS AND FLOWING ACROSS HIGHWAY 29.

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, 8.5 hours before the alert went out and 132 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.

Skew-T log-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 12:00Z on 2013-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1032 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 2013-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 65 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1032 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
511 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
65 m²/s²
0-3 km storm-relative helicity
98 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

715 
WGUS52 KFFC 032031
FFWFFC
GAC009-319-040230-
/O.NEW.KFFC.FF.W.0037.130703T2031Z-130704T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
431 PM EDT WED JUL 3 2013

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EASTERN BALDWIN COUNTY IN CENTRAL GEORGIA
  NORTHERN WILKINSON COUNTY IN CENTRAL GEORGIA

* UNTIL 1030 PM EDT

* AT 428 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING FROM A SERIES OF THUNDERSTORM OVER THE WARNED AREA.
  BETWEEN 3 AND 4 INCHES OF RAIN HAVE FALLEN...WITH ADDITIONAL
  RAINFALL OF 1 TO 3 INCHES EXPECTED OVER THE NEXT SEVERAL
  HOURS.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  MILLEDGEVILLE. EXPECT RAPID RISES ALONG THOMPSON BRANCH...BLACK
  CREEK...AND OTHER TRIBUTARIES ALONG THE OCONEE RIVER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...AS WELL AS HIGHWAYS AND UNDERPASSES.
ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF
CREEKS...STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY...THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

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 3288 8329 3318 8327 3318 8320 3315 8311
      3314 8309 3311 8312 3308 8312 3305 8310
      3308 8305 3302 8307 3300 8305 3295 8308
      3289 8305

$$
2 follow-up statements
455 
WGUS72 KFFC 032259
FFSFFC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
659 PM EDT WED JUL 3 2013

GAC009-319-040230-
/O.CON.KFFC.FF.W.0037.000000T0000Z-130704T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WILKINSON GA-BALDWIN GA-
659 PM EDT WED JUL 3 2013

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1030 PM EDT FOR
EASTERN BALDWIN AND NORTHERN WILKINSON COUNTIES...

AT 654 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE HEAVY RAIN PRODUCING FLASH FLOODING OVER THE WARNED AREA. 
BETWEEN 3 AND 5 INCHES OF RAIN HAVE FALLEN...WITH AN ADDITIONAL 1 TO 
3 INCHES EXPECTED THROUGH THE EVENING.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
MILLEDGEVILLE. EXPECT CONTINUED HIGH WATER AND RAPID RISES ALONG 
THOMPSON BRANCH...BLACK CREEK...AND OTHER TRIBUTARIES ALONG THE 
OCONEE RIVER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...AS WELL AS HIGHWAYS AND UNDERPASSES.
ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF
CREEKS...STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY...THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.

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 3288 8329 3318 8327 3318 8320 3315 8311
      3314 8309 3311 8312 3308 8312 3305 8310
      3308 8305 3302 8307 3300 8305 3295 8308
      3289 8305

$$
822 
WGUS72 KFFC 040223
FFSFFC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1023 PM EDT WED JUL 3 2013

GAC009-319-040233-
/O.EXP.KFFC.FF.W.0037.000000T0000Z-130704T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WILKINSON GA-BALDWIN GA-
1023 PM EDT WED JUL 3 2013

...THE FLASH FLOOD WARNING WILL EXPIRE AT 1030 PM EDT FOR EASTERN
BALDWIN AND NORTHERN WILKINSON COUNTIES...

WIDESPREAD RAINFALL OF 3 TO 5 INCHES HAS FALLEN ACROSS EASTERN 
BALDWIN AND NORTHERN WILKINSON COUNTIES. SOME REPORTS OF CREEKS OUT 
OF THEIR BANKS HAVE BEEN RECEIVED. ADDITIONAL RAINFALL IS EXPECTED 
OVERNIGHT...SO RESIDENTS SHOULD STAY AWARE OF THE WEATHER IN CASE 
ADDITIONAL WARNINGS ARE NEEDED.

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 3288 8329 3318 8327 3318 8320 3315 8311
      3314 8309 3311 8312 3308 8312 3305 8310
      3308 8305 3302 8307 3300 8305 3295 8308
      3289 8305

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 2, 10:30 PM EDTSpecial Weather StatementFFCTowns45 min
Jul 2, 10:42 PM EDTRiver Flood WarningFFCForsyth, Fulton63 hr
Jul 2, 11:22 PM EDTSpecial Weather StatementFFCMurray, Whitfield68 min
Jul 3, 9:51 AM EDTSpecial Weather StatementFFCHaralson, Polk54 min
Jul 3, 10:15 AM EDTFlash Flood WarningFFCHaralson2 hr
Jul 3, 12:00 PM EDTFlash Flood WarningFFCCoweta, Heard, Troup3 hr
Jul 3, 12:10 PM EDTFlash Flood WarningFFCHaralson6 hr
Jul 3, 1:24 PM EDTFlash Flood WarningFFCCarroll, Cherokee, Cobb, Douglas, Fulton6 hr
Jul 3, 1:46 PM EDTSpecial Weather StatementFFCButts, Monroe29 min
Jul 3, 2:16 PM EDTFlash Flood WarningFFCCherokee, Dawson, Fannin, Forsyth, Fulton, Gilmer and 3 more6 hr
Jul 3, 2:17 PM EDTRiver Flood WarningFFCForsyth15 hr
Jul 3, 2:28 PM EDTRiver Flood WarningFFCCobb6 hr
Jul 3, 2:55 PM EDTFlash Flood WarningFFCCoweta, Heard, Meriwether, Troup6 hr
Jul 3, 4:12 PM EDTSpecial Weather StatementFFCTelfair33 min
Jul 3, 4:28 PM EDTFlash Flood WarningFFCWilkes6 hr
Jul 3, 5:31 PM EDTFlash Flood WarningFFCBanks, Dawson, Hall, Lumpkin, Towns, Union and 1 more6 hr

Nearby

Flash Flood Warnings in Georgia, 2013Every flash flood warning in 2013

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.