Flash Flood Warning 12, NWS Atlanta, GA

Issued

Sep 22, 2011, 6:39 PM EDT (22:39 UTC)

Expired

Sep 22, 2011, 10:33 PM EDT

In force

4 hr

Issued by

NWS Atlanta, GA

Area

Storm-based polygon

Flood severity

None

Counties Cherokee County, GA, Dawson County, GA, Forsyth County, GA

The Atlanta radar (KFFC), 110 km from the middle of the area, began a volume at 22:38 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.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

209 
WGUS52 KFFC 222239
FFWFFC
GAC057-085-117-230430-
/O.NEW.KFFC.FF.W.0012.110922T2239Z-110923T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
639 PM EDT THU SEP 22 2011

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN CHEROKEE COUNTY IN NORTH CENTRAL GEORGIA
  SOUTH CENTRAL DAWSON COUNTY IN NORTH CENTRAL GEORGIA
  NORTHWESTERN FORSYTH COUNTY IN NORTH CENTRAL GEORGIA

* UNTIL 1230 AM EDT

* AT 634 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING FROM AN AREA OF TRAINING THUNDERSTORMS AND HEAVY
  RAIN OVER THE WARNED AREA. THE THUNDERSTORMS ARE MOVING SLOWLY TO
  THE NORTHEAST AROUND 5 MPH. RAINFALL AMOUNTS UP TO 2 INCHES HAVE
  OCCURRED IN THE PAST HOUR ALONG THE CHEROKEE-FORSYTH COUNTY LINE.
  ADDITIONAL RAINFALL AMOUNTS OF 2 INCHES ARE POSSIBLE BEFORE THE
  STORMS MOVE OUT OF THE WARNED AREA.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  MATT...HOLLIS LATHEM RESERVOIR AND SILVER CITY. YELLOW CREEK...
  SETTINGDOWN CREEK...AND OTHER TRIBUTARIES OF THE ETOWAH RIVER
  WILL RISE RAPIDLY OVER THE NEXT FEW HOURS AND MAY REACH FLOOD
  STAGE. SMALLER CREEKS AND BRANCHES ARE EXPECTED TO FLOOD IN THE
  NEXT FEW HOURS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN HILLY TERRAIN THERE ARE LOW WATER CROSSINGS WHICH ARE POTENTIALLY
DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS FLOODED
ROADS...FIND ALTERNATE ROUTES. IT ONLY TAKES A FEW INCHES OF SWIFTLY
FLOWING WATER TO CARRY VEHICLES AWAY.

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 3438 8434 3438 8406 3422 8415 3423 8435

$$

747 
WGUS72 KFFC 230001
FFSFFC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
801 PM EDT THU SEP 22 2011

GAC057-085-117-230430-
/O.CON.KFFC.FF.W.0012.000000T0000Z-110923T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHEROKEE GA-DAWSON GA-FORSYTH GA-
801 PM EDT THU SEP 22 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1230 AM EDT FOR
NORTHWESTERN FORSYTH...SOUTH CENTRAL DAWSON AND NORTHEASTERN CHEROKEE
COUNTIES...

AT 753 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE LIGHT TO MODERATE RAIN OVER THE WARNED AREA. OVER THE PAST 
2 HOURS...AROUND 3 INCHES OF RAIN HAVE FALLEN ACROSS THE AREA... 
ESPECIALLY NORTHWEST FORSYTH COUNTY. ISOLATED AREAS HAVE RECEIVED UP 
TO 4 INCHES. FLASH FLOODING HAS BEEN REPORTED AROUND HIGHWAY 369 IN 
NORTHWEST FORSYTH COUNTY. ALTHOUGH THE RAIN HAS TAPERED OFF...THE 
DANGER REMAINS AS RUNOFF IS STILL WORKING ITS WAY DOWN THE YELLOW 
CREEK BASIN TOWARD THE ETOWAH RIVER. SMALL CREEKS AND BRANCHES 
FLOWING INTO THE YELLOW CREEK ARE LIKELY EXPERIENCING FLASH FLOODING.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HIGHTOWER...
SILVER CITY...REAVIS MOUNTAIN AND HOLLIS LATHEM RESERVOIR.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN HILLY TERRAIN THERE ARE LOW WATER CROSSINGS WHICH ARE POTENTIALLY 
DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS FLOODED 
ROADS...FIND ALTERNATE ROUTES. IT ONLY TAKES A FEW INCHES OF SWIFTLY 
FLOWING WATER TO CARRY VEHICLES AWAY.

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 3438 8434 3438 8406 3422 8415 3423 8435

$$

941 
WGUS72 KFFC 230233
FFSFFC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1033 PM EDT THU SEP 22 2011

GAC057-085-117-230242-
/O.CAN.KFFC.FF.W.0012.000000T0000Z-110923T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHEROKEE GA-DAWSON GA-FORSYTH GA-
1033 PM EDT THU SEP 22 2011

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR NORTHWESTERN
FORSYTH...SOUTH CENTRAL DAWSON AND NORTHEASTERN CHEROKEE COUNTIES...

THE HEAVY RAIN HAS MOVED OUT OF THE AREA AND THE CREEKS AND RIVERS 
ARE RECEDING. THE MOST SIGNIFICANT RAIN FELL ALONG THE YELLOW CREEK 
BASIN IN NORTHWEST FORSYTH COUNTY AND JUST SOUTH OF THE ETOWAH RIVER 
IN SOUTHERN DAWSON COUNTY...WITH 3 TO 4 INCHES OF RAIN ACROSS THOSE 
AREAS. 

IF YOU EXPERIENCED FLOODING CALL THE NATIONAL WEATHER SERVICE TOLL 
FREE AT 1 8 6 6 7 6 3 4 4 6 6.

LAT...LON 3438 8434 3438 8406 3422 8415 3423 8435

$$

Flash Flood Warnings in Georgia, 2011Every flash flood warning in 2011

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.