Alert archive / Georgia / Flash Flood Warnings in 2004
Flash Flood Warning 36, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at Sep 17, 2004, 3:21 AM EDT for DeKalb County, Fulton County, Georgia. It was in force for 5 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
- Sep 17, 2004, 3:21 AM EDT (07:21 UTC)
- Expired
- Sep 17, 2004, 8:00 AM EDT
- In force
- 5 hr
- Issued by
- NWS Atlanta, GA
- Area
- Counties, with a storm outline in the text
Counties DeKalb County, GA, Fulton County, GA
The radar
The Atlanta radar (KFFC), 60 km from the middle of the area, began a volume at 07:24 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
Birmingham, AL (KBMX), launched 00:00Z, 7.4 hours before the alert went out and 241 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
- 10 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 798 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 108 m²/s²
- 0-3 km storm-relative helicity
- 150 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 170738
FFWATL
GAC089-121-171300-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
321 AM EDT FRI SEP 17 2004
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
* FLASH FLOOD WARNING FOR PEACHTREE CREEK IN...
FULTON COUNTY IN NORTH CENTRAL GEORGIA
DEKALB COUNTY IN NORTH CENTRAL GEORGIA
* UNTIL 800 AM EDT
* FOR THE PEACHTREE CREEK NEAR ATLANTA...
RECORD FLOODING IS OCCURING.
THE LATEST STAGE WAS 22.2 FEET AT 11 PM THURSDAY.
FLOOD STAGE IS 17.0 FEET.
THE FORECAST FOR THE PEACHTREE CREEK NEAR ATLANTA...
THE CREEK WILL CREST AT 22.7 FEET AROUND 4 AM FRIDAY.
THE CREEK WILL FALL BELOW FLOOD STAGE AROUND 8 AM FRIDAY.
AT 23 FEET...MANY HOMES AND BUSINESSES FLOOD AND EVACUATIONS ARE
NEEDED. WATER FLOWS ACROSS NORTHSIDE DRIVE AT THE BRIDGE OF
PEACHTREE CREEK.
THIS IS A NEW RECORD CREST. THE OLD RECORD WAS 21.06 FEET IN
OBSERVED HISTORY. THERE WAS A HIGH WATER MARK OF 25.8 FEET
RECORDED IN 1919.
THIS REMAINS A SERIOUS FLOOD SITUATION. ALL INTERESTS ALONG
PEACHTREE CREEK SHOULD TAKE PRECAUTIONS AGAINST THE RISING WATERS
OVERNIGHT.
LAT...LON 3393 8421 3382 8421 3378 8447 3384 8445
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 16, 8:37 PM EDT | Flash Flood Warning | FFC | Bartow, Chattooga, Dade, Floyd, Gordon, Walker | 5 hr |
| Sep 16, 8:40 PM EDT | Flash Flood Warning | FFC | Clayton | 5 hr |
| Sep 16, 9:10 PM EDT | Flash Flood Warning | FFC | DeKalb, Fulton | 6 hr |
| Sep 16, 9:35 PM EDT | Flash Flood Warning | FFC | Cobb | 5 hr |
| Sep 16, 10:24 PM EDT | Flash Flood Warning | FFC | DeKalb, Fulton | 6 hr |
| Sep 16, 11:15 PM EDT | Flash Flood Warning | FFC | White | 6 hr |
Nearby
Flash Flood Warnings in Georgia, 2004Every flash flood warning in 2004
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.