Alert archive / Georgia / Flash Flood Warnings in 2009

Flash Flood Warning 55, NWS Atlanta, GA

December 14, 2009Crisp County, Georgia

NWS Atlanta, GA issued this flash flood warning at Dec 14, 2009, 8:14 PM EST for Crisp 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
Dec 14, 2009, 8:14 PM EST (01:14 UTC)
Expired
Dec 15, 2009, 2:15 AM EST
In force
6 hr
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Flood severity
None

County Crisp County, GA

The radar

The Robins AFB radar (KJGX), 100 km from the middle of the area, began a volume at 01:16 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
Dec 14, 9:00 PM ESTFLASH FLOOD2 Se Cordele, GAFLOODING OF CEDAR CREEK CAUSED CEDAR LAKE TO OVERFLOW AND THREATEN SEVERAL HOMES IN THE CEDAR LAKE SUBDIVISION. THE WATER LEVEL ROSE UP INTO CRAWL SPACES OF THE HOMES AND COVERED THE RESIDENTIAL ROADS.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 1.2 hours before the alert went out and 169 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, Tallahassee Rgnl, FL at 00:00Z on 2009-12-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 232 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tallahassee Rgnl, FL at 00:00Z on 2009-12-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 93 square meters per square second.19395878Sfc1 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
232 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
440 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
93 m²/s²
0-3 km storm-relative helicity
120 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
WGUS52 KFFC 150114
FFWFFC
GAC081-150715-
/O.NEW.KFFC.FF.W.0055.091215T0114Z-091215T0715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
814 PM EST MON DEC 14 2009

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CRISP COUNTY IN CENTRAL GEORGIA

* UNTIL 215 AM EST TUESDAY

* AT 809 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING FROM AN AREA OF MODERATE TO HEAVY RAIN OVER CRISP
  COUNTY.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CORDELE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

RAINFALL AMOUNTS OF AROUND AN INCH HAVE FALLEN ACROSS THE COUNTY 
THIS AFTERNOON AND EVENING. ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 
INCHES ARE EXPECTED ACROSS THE COUNTY.

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.

&&

LAT...LON 3180 8383 3183 8387 3184 8393 3186 8395
      3190 8394 3191 8393 3203 8395 3202 8361
      3181 8360 3180 8361 3179 8372

$$
2 follow-up statements
000 
WGUS72 KFFC 150216
FFSFFC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
916 PM EST MON DEC 14 2009

GAC081-150715-
/O.CON.KFFC.FF.W.0055.000000T0000Z-091215T0715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CRISP GA-
916 PM EST MON DEC 14 2009

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 215 AM EST FOR CRISP
COUNTY...

AT 915 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A LARGE AREA OF MODERATE TO HEAVY RAIN OVER CRISP COUNTY.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CORDELE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

RAINFALL AMOUNTS OF 1 TO 3 INCHES HAVE OCCURRED ACROSS THE COUNTY. 
ADDITIONAL RAINFALL AMOUNTS OF 2 TO 4 INCHES...WITH LOCALLY HIGHER 
AMOUNTS...ARE POSSIBLE.

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 3180 8383 3183 8387 3184 8393 3186 8395
      3190 8394 3191 8393 3203 8395 3202 8361
      3181 8360 3180 8361 3179 8372

$$
000 
WGUS72 KFFC 150351
FFSFFC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1051 PM EST MON DEC 14 2009

GAC081-150715-
/O.CON.KFFC.FF.W.0055.000000T0000Z-091215T0715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CRISP GA-
1051 PM EST MON DEC 14 2009

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 215 AM EST FOR CRISP
COUNTY...

AT 1048 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE MODERATE RAIN OVER CRISP COUNTY.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CORDELE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

RAINFALL AMOUNTS OF 1 TO 3 INCHES HAVE OCCURRED ACROSS THE COUNTY. 
ADDITIONAL RAINFALL AMOUNTS OF 2 TO 4 INCHES...WITH LOCALLY HIGHER 
AMOUNTS...ARE POSSIBLE.

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 3180 8383 3183 8387 3184 8393 3186 8395
      3190 8394 3191 8393 3203 8395 3202 8361
      3181 8360 3180 8361 3179 8372

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 14, 7:24 PM ESTAreal Flood WarningFFCBleckley, Dodge, Emanuel, Johnson, Laurens, Montgomery and 6 more23 hr
Dec 14, 10:13 PM ESTRiver Flood WarningFFCMontgomery, Telfair, Wheeler16 days
Dec 15, 1:09 AM ESTFlash Flood WarningFFCSumter6 hr
Dec 15, 1:40 AM ESTRiver Flood WarningFFCBleckley, Pulaski11 days
Dec 15, 1:40 AM ESTRiver Flood WarningFFCMontgomery, Treutlen, Wheeler20 days
Dec 15, 7:24 AM ESTFlash Flood WarningFFCSumter3 hr
Dec 15, 4:03 PM ESTRiver Flood WarningFFCPulaski35 hr
Dec 15, 4:03 PM ESTRiver Flood WarningFFCSumter9 hr

Nearby

Flash Flood Warnings in Georgia, 2009Every flash flood warning in 2009

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.