Alert archive / Georgia / Flash Flood Warnings in 2012
Flash Flood Warning 10, NWS Columbia, SC
NWS Columbia, SC issued this flash flood warning at Aug 7, 2012, 7:45 PM EDT for Columbia County, McDuffie County, Richmond County, Georgia. It was in force for 2 hr. 5 reports 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
- Aug 7, 2012, 7:45 PM EDT (23:45 UTC)
- Expired
- Aug 7, 2012, 9:45 PM EDT
- In force
- 2 hr
- Issued by
- NWS Columbia, SC
- Area
- Storm-based polygon
- Flood severity
- None
Counties Columbia County, GA, McDuffie County, GA, Richmond County, GA
The radar
The Columbia radar (KCAE), 112 km from the middle of the area, began a volume at 23:47 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 |
|---|---|---|---|
| Aug 7, 7:53 PM EDT | FLASH FLOOD | 2 Ene Martinez, GA | 3 1/2 FEET OF WATER COVERING HABERSHAM RD IN THE WATERVALE SUBDIVISION. |
| Aug 7, 7:54 PM EDT | FLASH FLOOD | 5 Nw Augusta, GA | WATER INSIDE AN APARTMENT COMPLEX ON STEVENS CREEK RD. |
| Aug 7, 7:56 PM EDT | FLASH FLOOD | 2 N Augusta, GA | WATER INSIDE A PERSONAL CARE HOME ON DIVISION ST. |
| Aug 7, 7:59 PM EDT | FLASH FLOOD | 2 N Augusta, GA | VEHICLE FLOODED IN THE 100 BLOCK OF WOOD ST WITH A PERSON INSIDE, WATER RESCUE IN PROGRESS. |
| Aug 7, 7:59 PM EDT | FLASH FLOOD | 2 Ssw Augusta, GA | FLOODING AT BUNGALOW RD AND PEACH ORCHARD RD, ROAD CLOSED |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 11.8 hours before the alert went out and 208 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
- 2260 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 574 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 44 m²/s²
- 0-3 km storm-relative helicity
- 63 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
489
WGUS52 KCAE 072345
FFWCAE
GAC073-189-245-080145-
/O.NEW.KCAE.FF.W.0010.120807T2345Z-120808T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
745 PM EDT TUE AUG 7 2012
THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHERN COLUMBIA COUNTY IN EAST CENTRAL GEORGIA...
THIS INCLUDES THE CITIES OF...MARTINEZ...GROVETOWN...EVANS...
SOUTHERN MCDUFFIE COUNTY IN EAST CENTRAL GEORGIA...
NORTHERN RICHMOND COUNTY IN EAST CENTRAL GEORGIA...
THIS INCLUDES THE CITIES OF...FORT GORDON...AUGUSTA...
* UNTIL 945 PM EDT
* AT 736 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
BAND OF NEARLY STATIONARY SHOWERS AND THUNDERSTORMS PRODUCING VERY
HEAVY RAIN THAT STRETCHED OVER THE WARNED AREA. RADAR ESTIMATED
THAT UP TO 3 INCHES OF RAIN HAD FALLEN IN SOME LOCATIONS IN THE
PAST 60 TO 90 MINUTES...AND ADDITIONAL RAINFALL AMOUNT OF 2 INCHES
OR MORE WILL BE POSSIBLE.
AREAS VULNERABLE TO FLASH FLOODING INCLUDE THE REED CREEK BASIN IN
EASTERN COLUMBIA COUNTY GEORGIA...RAES CREEK BASIN AND FOX CREEK
BASIN IN NORTHERN RICHMOND COUNTY GEORGIA. URBAN STREET FLOODING IS
EXPECTED THROUGHOUT THE GREATER AUGUSTA METROPOLITAN AREA...AND
ALONG INTERSTATE 20.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.
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.
REPORT FLOODING TO YOUR COUNTY SHERIFF...OR CALL THE NATIONAL WEATHER
SERVICE...TOLL FREE 1 877 6 3 3...6 7 7 2.
&&
LAT...LON 3359 8209 3353 8201 3349 8199 3346 8192
3344 8191 3342 8193 3342 8191 3341 8195
3338 8193 3337 8195 3335 8194 3328 8230
3331 8234 3331 8239 3334 8245 3335 8256
3341 8255 3344 8258
$$The office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 7:10 PM EDT | Areal Flood Advisory | CAE | Columbia, Richmond | 110 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.