Alert archive / Georgia / Flash Flood Warnings in 2009
Flash Flood Warning 24, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at Sep 18, 2009, 12:41 AM EDT for Houston 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
- Sep 18, 2009, 12:41 AM EDT (04:41 UTC)
- Expired
- Sep 18, 2009, 6:30 AM EDT
- In force
- 6 hr
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Flood severity
- None
County Houston County, GA
The radar
The Robins AFB radar (KJGX), 35 km from the middle of the area, began a volume at 04:44 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 |
|---|---|---|---|
| Sep 18, 1:15 AM EDT | FLASH FLOOD | 4 Sw Warner Robins, GA | TURTLE AND SANDY RUN CREEKS CAME OUT OF THEIR BANKS AND AFFECTED SOME HOMES ON FEAGIN MILL ROAD. ONE HOME HAD AT LEAST ONE FOOT OF WATER IN IT. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 4.7 hours before the alert went out and 128 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
- 722 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 516 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 61 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 180441
FFWFFC
GAC153-181030-
/O.NEW.KFFC.FF.W.0024.090918T0441Z-090918T1030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1241 AM EDT FRI SEP 18 2009
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
* FLASH FLOOD WARNING FOR...
HOUSTON COUNTY IN CENTRAL GEORGIA
* UNTIL 630 AM EDT
* AT 1229 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR
INDICATED NUMEROUS SHOWERS WITH HEAVY RAIN MOVING NORTH OVER THE
WARNED AREA. PRECIPITATION ESTIMATES OF 2 TO 3 INCHES HAVE OCCURRED
SINCE 1030 PM EDT THURSDAY. THE HEAVY RAIN IS EXPECTED TO CONTINUE
FOR THE NEXT TWO HOURS WITH ANOTHER TWO INCHES OF RAIN EXPECTED.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO PERRY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 3249 8376 3250 8374 3253 8374 3252 8371
3259 8371 3259 8353 3257 8354 3253 8354
3248 8350 3240 8348 3239 8352 3229 8362
3229 8376
$$
161 follow-up statement
000
WGUS72 KFFC 180720
FFSFFC
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
320 AM EDT FRI SEP 18 2009
GAC153-181030-
/O.CON.KFFC.FF.W.0024.000000T0000Z-090918T1030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HOUSTON GA-
320 AM EDT FRI SEP 18 2009
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 AM EDT FOR
HOUSTON COUNTY...
AT 310 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE
RAIN HAD MOVED NORTH OUT OF THE WARNED AREA. HEAVY RAIN EARLIER
PRODUCED AMOUNTS OF 3 TO 4 INCHES IN AROUND TWO HOURS. COUNTY
OFFICIALS INDICATE THIS HAS CAUSED SIGNIFICANT STREET FLOODING AND
SOME FLOODING OF SMALLER STREAMS AND CREEKS. THE TURTLE AND SANDY
RUN CREEKS CAME OUT OF THEIR BANKS AND AFFECTED SOME HOMES ON FEAGIN
MILL ROAD AROUND 4 MILES SOUTHWEST OF WARNER ROBINS. ONE HOME HAD AT
LEAST ONE FOOT OF WATER IN IT.
THE FLASH FLOOD WARNING WILL CONTINUE TO ALLOW TIME FOR THE FLOODING
TO SUBSIDE.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HOUSTON
LAKE...KATHLEEN AND BONAIRE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
IF YOU SEE SIGNIFICANT FLOODING CALL THE NATIONAL WEATHER SERVICE
TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.
&&
LAT...LON 3249 8376 3250 8374 3253 8374 3252 8371
3259 8371 3259 8353 3257 8354 3253 8354
3248 8350 3240 8348 3239 8352 3229 8362
3229 8376
$$
16The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 17, 8:01 PM EDT | Flash Flood Warning | FFC | Putnam | 6 hr |
| Sep 17, 8:14 PM EDT | Flash Flood Warning | FFC | Marion, Talbot, Taylor | 6 hr |
| Sep 17, 10:14 PM EDT | Flash Flood Warning | FFC | Crawford, Taylor | 6 hr |
| Sep 17, 11:48 PM EDT | Areal Flood Warning | FFC | Morgan | 9 hr |
| Sep 18, 2:02 AM EDT | Areal Flood Warning | FFC | Putnam | 12 hr |
| Sep 18, 2:18 AM EDT | Areal Flood Warning | FFC | Marion, Talbot, Taylor | 12 hr |
| Sep 18, 4:30 AM EDT | Areal Flood Warning | FFC | Crawford, Macon, Peach, Taylor | 9 hr |
| Sep 18, 11:07 AM EDT | River Flood Warning | FFC | Newton, Rockdale | 23 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.