Alert archive / Georgia / Flash Flood Warnings in 2005
Flash Flood Warning 45, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at Aug 18, 2005, 7:44 PM EDT for White 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 18, 2005, 7:44 PM EDT (23:44 UTC)
- Expired
- Aug 18, 2005, 10:45 PM EDT
- In force
- 3 hr
- Issued by
- NWS Atlanta, GA
- Area
- Counties, with a storm outline in the text
County White County, GA
The radar
The Greer radar (KGSP), 139 km from the middle of the area, began a volume at 23:48 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, 11.7 hours before the alert went out and 167 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
- 1255 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 720 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 7 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 182349 FFWFFC GAC311-190245- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE PEACHTREE CITY GA 744 PM EDT THU AUG 18 2005 THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTHERN WHITE COUNTY IN NORTHEAST GEORGIA * UNTIL 1045 PM EDT * AT 739 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS AND HEAVY RAIN CONTINUING ACROSS THE NORTHERN PART OF WHITE COUNTY. TWO INCHES OF RAIN HAVE FALLEN SINCE 645PM AND MORE IS EXPECTED BETWEEN 745 AND 845 PM. MOST OF THE HEAVY RAIN WAS FALLING FROM THE HELEN AREA NORTH INTO THE NATIONAL FOREST. * OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO UNICOI STATE PARK. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS CAMPGROUNDS NEAR THE BANKS OF CREEKS AND STREAMS. FLOODING IS OCCURRING OR IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS AND HIKERS SHOULD AVOID STREAMS OR CREEKS. LAT...LON 3481 8378 3468 8384 3463 8366 3475 8362 IF YOU SEE SIGNIFICANT FLOODING CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6. $$
1 follow-up statement
000 WGUS72 KFFC 190139 FFSFFC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE PEACHTREE CITY GA 933 PM EDT THU AUG 18 2005 GAC311-190245- WHITE- 933 PM EDT THU AUG 18 2005 ...A FLASH FLOOD WARNING CONTINUES UNTIL 1045 PM EDT FOR NORTHERN WHITE COUNTY... AT 932 PM EDT...RAIN HAD TAPERED OFF IN INTENSITY. ONLY LIGHT RAIN IS EXPECTED BETWEEN NOW AND 1030 PM. FLOODING IS OCCURRING OR IS IMMINENT. CAMPERS AND HIKERS SHOULD AVOID STREAMS OR CREEKS. THERE HAVE BEEN REPORTS OF SIGNIFICANT FLOODING IN THE AREA AROUND UNICOI STATE PARK. WATER LEVELS MAY REMAIN HIGH OR CONTINUE TO RISE DUE TO RUNOFF BETWEEN NOW AND 1045 PM. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6. LAT...LON 3481 8378 3468 8384 3463 8366 3475 8362 $$
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 17, 10:35 PM EDT | Flash Flood Warning | FFC | Greene | 3 hr |
| Aug 18, 4:46 PM EDT | Severe Thunderstorm Warning | FFC | Clayton | 29 min |
| Aug 18, 5:05 PM EDT | Severe Thunderstorm Warning | FFC | DeKalb | 25 min |
| Aug 18, 5:41 PM EDT | Severe Thunderstorm Warning | FFC | Henry | 34 min |
Nearby
Flash Flood Warnings in Georgia, 2005Every flash flood warning in 2005
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.