Alert archive / Georgia / Flash Flood Warnings in 2008

Flash Flood Warning 3, NWS Atlanta, GA

March 30, 2008Morgan County, Putnam County, Georgia

NWS Atlanta, GA issued this flash flood warning at Mar 30, 2008, 3:38 AM EDT for Morgan County, Putnam County, Georgia. It was in force for 6 hr. 3 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: Mar 30, 2008, 3:38 AM EDT (07:38 UTC)
Expired: Mar 30, 2008, 9:45 AM EDT
In force: 6 hr
Issued by: NWS Atlanta, GA
Area: Storm-based polygon
Flood severity: None

Counties Morgan County, GA, Putnam County, GA

The radar

The Robins AFB radar (KJGX), 83 km from the middle of the area, began a volume at 07:41 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.

What was reported inside it

Time	Report	Where	Remark
Mar 30, 4:00 AM EDT	HEAVY RAIN 0	4 S Madison, GA	STORM TOTAL RAINFALL SO FAR HAS BEEN 2.9 INCHES AT MISSION LANE SOUTH OF INTERSTATE 20 AND OFF OF US HIGHWAY 441.
Mar 30, 4:00 AM EDT	HEAVY RAIN 2.82	4 S Madison, GA	STORM TOTAL RAINFALL SO FAR AT MISSION LANE SOUTH OF INTERSTATE 20 AND JUST OFF OF US HIGHWAY 441.
Mar 30, 4:00 AM EDT	HEAVY RAIN 2.9	4 S Madison, GA	STORM TOTAL RAINFALL SO FAR AT MISSION LANE SOUTH OF INTERSTATE 20 AND JUST OFF OF US HIGHWAY 441.

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, 7.6 hours before the alert went out and 95 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 713 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 22 m²/s²
0-3 km storm-relative helicity: 201 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS52 KFFC 300750
FFWFFC
GAC211-237-301345-
/O.NEW.KFFC.FF.W.0003.080330T0738Z-080330T1345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
338 AM EDT SUN MAR 30 2008

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  PUTNAM COUNTY IN CENTRAL GEORGIA
  MORGAN COUNTY IN NORTH CENTRAL GEORGIA

* UNTIL 945 AM EDT

* AT 333 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  POTENTIAL FLASH FLOODING FROM THUNDERSTORMS OVER THE WARNED AREA.

* THE STORMS PRODUCING FLASH FLOODING WILL OTHERWISE REMAIN OVER
  MAINLY RURAL AREAS OF THE INDICATED COUNTIES.

RAINFALL AMOUNTS OF 4 TO 6 INCHES HAS OCCURRED OVER SOUTH MORGAN
COUNTY...JUST NORTH OF GODFREY AND IN BETWEEN GEORGIA HIGHWAY 83 AND 
US HIGHWAY 441 SINCE 930 PM EDT SATURDAY NIGHT. WHILE THE RAIN HAS 
BEEN TAPERING OFF IN MORGAN COUNTY ADDITIONAL RAINFALL AMOUNTS OF 1 
TO 2 INCHES CAN BE EXPECTED IN NORTH PUTNAM COUNTY.

FLOOD WATERS ARE MOVING DOWN LITTLE RIVER...BIG INDIAN CREEK AND 
LITTLE INDIAN CREEK IN SOUTH MORGAN COUNTY INTO NORTHWEST PUTNAM
COUNTY.

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.

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.

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 3331 8337 3330 8353 3343 8353 3343 8352
      3344 8355 3351 8355 3355 8339
TIME...MOT...LOC 0738Z 180DEG 0KT 3348 8351

$$

16

3 follow-up statements

000 
WGUS72 KFFC 300909
FFSFFC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
501 AM EDT SUN MAR 30 2008

GAC211-237-301345-
/O.CON.KFFC.FF.W.0003.000000T0000Z-080330T1345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PUTNAM GA-MORGAN GA-
501 AM EDT SUN MAR 30 2008

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 945 AM EDT FOR
MORGAN AND PUTNAM COUNTIES...

AT 458 AM EDT...MODERATE TO HEAVY RAIN CONTINUES TO FALL ACROSS 
PARTS OF NORTH PUTNAM COUNTY. RAINFALL AMOUNTS OF 1 TO 3 INCHES HAS 
OCCURRED IN THE WARNED AREA OF NORTWEST PUTNAM COUNTY SINCE 
MIDNIGHT. LIGHT RAIN CONTINUES OVER SOUTH MORGAN COUNTY WHERE 4 TO 6 
INCHES OF RAIN HAS ALREADY OCCURRED SOUTH OF INTERSTATE 20 AND JUST 
NORTH OF GODFREY. 

FLOOD WATERS ARE LIKELY MOVING DOWN LITTLE RIVER...BIG INDIAN CREEK 
AND LITTLE INDIAN CREEK IN SOUTH MORGAN COUNTY INTO NORTHWEST PUTNAM 
COUNTY.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL 
CREEKS AND STREAMS...AS WELL AS HIGHWAYS AND UNDERPASSES. 
ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF 
CREEKS...STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING.

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.

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.

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 3331 8337 3330 8353 3343 8353 3343 8352
      3344 8355 3351 8355 3355 8339
TIME...MOT...LOC 0901Z 180DEG 0KT 3348 8351

$$

16

000 
WGUS72 KFFC 301110
FFSFFC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
654 AM EDT SUN MAR 30 2008

GAC211-237-301345-
/O.CON.KFFC.FF.W.0003.000000T0000Z-080330T1345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PUTNAM GA-MORGAN GA-
654 AM EDT SUN MAR 30 2008

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 945 AM EDT FOR
MORGAN AND PUTNAM COUNTIES...

AT 649 AM EDT...LIGHT RAIN WAS DIMINISHING OVER THE WARNED AREA
OF SOUTH CENTRAL MONROE COUNTY AND NORTHWEST PUTNAM COUNTY THIS
MORNING.

RAINFALL AMOUNTS OF 4 TO 6 INCHES OCCURRED SOUTH OF INTERSTATE 20
IN MORGAN COUNTY JUST NORTH OF GODFREY AND IN BETWEEN GEORGIA
HIGHWAY 83 AND US HIGHWAY 441. RAINFALL AMOUNTS OF 1 TO 3 INCHES 
OCCURRED IN NORTHWEST PUTNAM COUNTY OVER THE B F GRANT WILDLIFE
MANAGEMENT AREA OR AROUND 10 MILES NORTHWEST OF EATONTON.

POTENTIAL FLOOD WATERS ARE MOVING DOWN LITTLE RIVER...BIG INDIAN 
CREEK AND LITTLE INDIAN CREEK IN SOUTH MORGAN COUNTY INTO NORTHWEST 
PUTNAM COUNTY AT THIS TIME.  RESIDENTS LIVING NEAR THESE CREEKS OR 
RIVER SHOULD MONITOR THEM CLOSELY AND TAKE ACTION IF FLOODING 
THREATENS THEIR LOCATION.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...AS WELL AS HIGHWAYS AND UNDERPASSES.
ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF
CREEKS...STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING.

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 3331 8337 3330 8353 3343 8353 3343 8352
      3344 8355 3351 8355 3355 8339
TIME...MOT...LOC 1054Z 180DEG 0KT 3348 8351

$$

16

000 
WGUS72 KFFC 301345
FFSFFC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
939 AM EDT SUN MAR 30 2008

GAC211-237-301349-
/O.EXP.KFFC.FF.W.0003.000000T0000Z-080330T1345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PUTNAM GA-MORGAN GA-
939 AM EDT SUN MAR 30 2008

...THE FLASH FLOOD WARNING WILL EXPIRE AT 945 AM EDT FOR MORGAN AND
PUTNAM COUNTIES...

THE HEAVY RAIN HAS ENDED OVER THE AREA AND THE THREAT FOR 
SIGNIFICANT FLOODING HAS SUBSIDED. HOWEVER...WATER LEVELS ON SMALL 
CREEKS AND STREAMS WILL LIKELY REMAIN HIGH FOR THE NEXT SEVERAL 
HOURS. PERSONS TRAVELING THROUGH SOUTHERN MORGAN AND NORTHERN PUTNAM 
COUNTIES SHOULD WATCH FOR WATER STANDING ON ROADWAYS AND BE ALERT 
FOR POSSIBLE DAMAGE TO ROADWAYS FROM EARLIER HIGH WATER...ESPECIALLY 
ON SMALLER SECONDARY ROADS.

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 3331 8337 3330 8353 3343 8353 3343 8352
      3344 8355 3351 8355 3355 8339
TIME...MOT...LOC 1339Z 180DEG 0KT 3348 8351

$$

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 30, 1:52 AM EDT	Flash Flood Warning	FFC	Henry	4 hr

Nearby

Flash Flood Warnings in Georgia, 2008 Every flash flood warning in 2008

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.