Alert archive / Georgia / Flash Flood Warnings in 2006
Flash Flood Warning 15, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at Aug 5, 2006, 7:38 PM EDT for Gwinnett County, Georgia. It was in force for 3 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 5, 2006, 7:38 PM EDT (23:38 UTC)
- Expired
- Aug 5, 2006, 10:45 PM EDT
- In force
- 3 hr
- Issued by
- NWS Atlanta, GA
- Area
- Counties, with a storm outline in the text
County Gwinnett County, GA
The radar
The Atlanta radar (KFFC), 77 km from the middle of the area, began a volume at 23:41 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 12:00Z, 11.6 hours before the alert went out and 73 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
- 594 J/kg
- Mixed-layer CIN
- -165 J/kg
- Mixed-layer LCL
- 1369 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 35 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS52 KFFC 052345 FFWFFC GAC135-060245- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE PEACHTREE CITY GA 738 PM EDT SAT AUG 5 2006 THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A * FLASH FLOOD WARNING FOR... GWINNETT COUNTY IN NORTH CENTRAL GEORGIA * UNTIL 1045 PM EDT * AT 733 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN FROM THUNDERSTORMS HAD OCCURRED OVER THE WARNED AREA. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LAWRENCEVILLE. FLOOD WATERS ARE MOVING DOWN THE PEW CREEK AROUND 3 MILES SOUTHWEST OF LAWRENCEVILLE. AT 730 PM EDT THE STREAM GAGE ON THE PEW CREEK WAS 9.9 FEET. FLOOD STAGE IS 11 FEET. MINOR FLOODING BEGINS AT THE PARKING LOT OF THE SARATOGA SWIM AND TENNNIS CLUD DOWNSTREAM FROM THE STREAM GAGE ON PATTERSON ROAD. THE CREEK SHOULD REACH OR EXCEED FLOOD STAGE AROUND 8 PM EDT. 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 3385 8415 3385 8394 3403 8394 3403 8415 $$ 16
2 follow-up statements
000 WGUS72 KFFC 060052 FFSFFC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE PEACHTREE CITY GA 842 PM EDT SAT AUG 5 2006 GAC135-060245- GWINNETT GA- 842 PM EDT SAT AUG 5 2006 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1045 PM EDT FOR GWINNETT COUNTY... AT 839 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADARS INDICATED AROUND 2 INCHES OF RAIN FELL FROM 6 TO 8 PM EDT IN THE LAWRENCEVILLE AREA. THE HEAVY RAIN HAS CAUSED RAPID RUNOFF INTO THE LOCAL CREEKS AND STREAMS IN THE WARNED AREA. FLOOD WATERS ARE MOVING DOWN THE PEW CREEK AROUND 3 MILES SOUTHWEST OF LAWRENCEVILLE. AT 830 PM EDT THE STREAM GAGE ON THE PEW CREEK AT PATTERSON ROAD WAS 10.8 FEET AND RISING. FLOOD STAGE IS 11 FEET. AT 11 FEET MINOR FLOODING BEGINS WITH WATER RISING INTO THE LOWER PARKING LOT OF THE SARATOGA SWIM AND TENNIS CLUB NEAR PATTERSON ROAD. THE CREEK WILL LIKELY REACH FLOOD STAGE AROUND 9 PM EDT. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. IF YOU SEE SIGNIFICANT FLOODING CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6. LAT...LON 3385 8415 3385 8394 3403 8394 3403 8415 $$ 16
000 WGUS72 KFFC 060152 FFSFFC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE PEACHTREE CITY GA 946 PM EDT SAT AUG 5 2006 GAC135-060156- GWINNETT GA- 946 PM EDT SAT AUG 5 2006 ...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR GWINNETT COUNTY... HIGH WATER CONTINUED MOVING DOWN THE PEW CREEK AROUND 3 MILES SOUTHWEST OF LAWRENCEVILLE. AT 930 PM EDT THE STREAM GAGE ON THE PEW CREEK AT PATTERSON ROAD WAS 8.7 FEET AND FALLING. FLOOD STAGE IS 11 FEET. THE PEW CREEK CRESTED AT 10.8 FEET AT 830 PM EDT AT THE STREAM GAGE LOCATION. THE CREEK WILL CONTINUE TO FALL TO ITS NORMAL LEVEL AROUND 4 FEET IN THE NEXT FEW HOURS. 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 3385 8415 3385 8394 3403 8394 3403 8415 $$ 16
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 4, 10:57 PM EDT | Severe Thunderstorm Warning | FFC | Dooly | 33 min |
| Aug 4, 11:54 PM EDT | Flash Flood Warning | FFC | Webster | 3 hr |
| Aug 5, 3:58 PM EDT | Severe Thunderstorm Warning | FFC | Pike | 32 min |
| Aug 5, 4:44 PM EDT | Severe Thunderstorm Warning | FFC | Henry | 31 min |
| Aug 5, 5:09 PM EDT | Severe Thunderstorm Warning | FFC | Cobb | 36 min |
| Aug 5, 5:20 PM EDT | Severe Thunderstorm Warning | FFC | DeKalb | 25 min |
| Aug 5, 5:45 PM EDT | Severe Thunderstorm Warning | FFC | Cobb | 30 min |
| Aug 5, 6:03 PM EDT | Severe Thunderstorm Warning | FFC | Gwinnett | 27 min |
| Aug 5, 6:11 PM EDT | Severe Thunderstorm Warning | FFC | Fulton | 34 min |
| Aug 5, 6:11 PM EDT | Severe Thunderstorm Warning | FFC | Oglethorpe | 34 min |
| Aug 5, 6:32 PM EDT | Flash Flood Warning | FFC | Oglethorpe | 3 hr |
| Aug 5, 7:00 PM EDT | Severe Thunderstorm Warning | FFC | Jackson | 30 min |
| Aug 5, 7:58 PM EDT | Severe Thunderstorm Warning | FFC | Murray | 32 min |
Nearby
Flash Flood Warnings in Georgia, 2006Every flash flood warning in 2006
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.