Alert archive / Georgia / Flash Flood Warnings in 2005

Flash Flood Warning 36, NWS Atlanta, GA

July 29, 2005Union County, Georgia

NWS Atlanta, GA issued this flash flood warning at Jul 29, 2005, 12:05 PM EDT for Union County, Georgia. It was in force for 4 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: Jul 29, 2005, 12:05 PM EDT (16:05 UTC)
Expired: Jul 29, 2005, 4:00 PM EDT
In force: 4 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), 153 km from the middle of the area, began a volume at 16:07 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

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 4.1 hours before the alert went out and 174 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 291613
FFWFFC
GAC291-292000-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1205 PM 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 400 PM EDT

* AT 1158 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWS 
  HEAVY RAINFALL HAS FALLEN ACROSS MUCH OF CENTRAL AND NORTHERN 
  UNION COUNTY THROUGHOUT THE MORNING FROM WEST THROUGH NORTH OF 
  BLAIRSVILLE.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO YOUNGCANE 
  CREEK...JONES CREEK...WATTS CREEK...KIUTUESTIA CREEK...COOSA 
  CREEK...REECE CREEK AND IVYLOG CREEK...ALL FLOWING INTO THE 
  NOTTELY RIVER OR 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 3489 8385 3485 8382 3481 8400
      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, 9:20 AM EDT	Flash Flood Warning	FFC	Union	3 hr
Jul 29, 11:43 AM EDT	Flash Flood Warning	FFC	Fannin	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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.