Alert archive / Georgia / Flash Flood Warnings in 2005

Flash Flood Warning 34, NWS Atlanta, GA

July 29, 2005Union County, Georgia

NWS Atlanta, GA issued this flash flood warning at Jul 29, 2005, 9:20 AM EDT for Union County, Georgia. It was in force for 3 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: Jul 29, 2005, 9:20 AM EDT (13:20 UTC)
Expired: Jul 29, 2005, 12:15 PM EDT
In force: 3 hr
Issued by: NWS Atlanta, GA
Area: Counties, with a storm outline in the text

County Union County, GA

The radar

The Knoxville radar (KMRX), 156 km from the middle of the area, began a volume at 13:19 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
Jul 29, 10:30 AM EDT	FLASH FLOOD	6 Sw Blairsville, GA	MANY ROADS IN THE SOUTHWEST PORTION OF UNION COUNTY CLOSED DUE TO OVERFLOWING WATER FROM STREAMS AND CREEKS. TWO OR MORE CULVERTS WERE WASHED OUT.

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 12:00Z, 1.3 hours before the alert went out and 172 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: 628 J/kg
Mixed-layer CIN: -70 J/kg
Mixed-layer LCL: 955 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 51 m²/s²
0-3 km storm-relative helicity: 79 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WGUS52 KFFC 291326
FFWFFC
GAC291-291615-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
920 AM EDT FRI JUL 29 2005

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  UNION COUNTY IN NORTH CENTRAL GEORGIA

* UNTIL 1215 PM EDT

* AT 916 AM EDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH
  FLOODING FROM HEAVY RAINFALL WEST OF BLAIRSVILLE IN THE JONES 
  CREEK AND BUNKER HILL AREAS. MODERATE TO HEAVY RAINFALL WAS 
  STILL FALLING IN THE AREA AT 918 AM. LOCAL LAW ENFORCEMENT 
  REPORTED SEVERAL ROADS CLOSED IN THE JONES CREEK AND BUNKER 
  HILL AREAS.

* SOME LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  YOUNGCANE CREEK...PHARM SPRING CREEK...ANDERSON CREEK AND OTHER 
  CREEKS ALONG THE SOUTHWEST SIDE OF NOTTELY LAKE.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

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. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

LAT...LON 3491 8391 3487 8393 3481 8396 3473 8409
      3479 8409 3480 8414 3483 8414 3488 8410
      3495 8416 3498 8413 3498 8394

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

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 29, 11:43 AM EDT	Flash Flood Warning	FFC	Fannin	4 hr
Jul 29, 12:05 PM EDT	Flash Flood Warning	FFC	Union	4 hr
Jul 29, 5:50 PM EDT	Flash Flood Warning	FFC	Coweta	3 hr

Nearby

Flash Flood Warnings in Georgia, 2005 Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.