Alert archive / Georgia / Flash Flood Warnings in 2006

Flash Flood Warning 10, NWS Atlanta, GA

May 29, 2006Gilmer County, Georgia

NWS Atlanta, GA issued this flash flood warning at May 29, 2006, 10:37 PM EDT for Gilmer 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: May 29, 2006, 10:37 PM EDT (02:37 UTC)
Expired: May 30, 2006, 2:30 AM EDT
In force: 4 hr
Issued by: NWS Atlanta, GA
Area: Counties, with a storm outline in the text

County Gilmer County, GA

The radar

The Northeast Alabama radar (KHTX), 149 km from the middle of the area, began a volume at 02:37 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 00:00Z, 2.6 hours before the alert went out and 149 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: 227 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 2092 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: -9 m²/s²
0-3 km storm-relative helicity: -22 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 300236
FFWFFC
GAC123-300630-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1037 PM EDT MON MAY 29 2006

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

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

* UNTIL 230 AM EDT

* AT 1035 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR 
  INDICATED FLASH FLOODING FROM A THUNDERSTORM CENTERED JUST
  EAST OF ELLIJAY. THE STORM PRODUCING FLASH FLOODING WAS 
  NEARLY STATIONARY. RADAR ESTIMATES INDICATE 1 TO 2 INCHES OF
  RAIN HAS FALLEN IN THE LAST HOUR.

* FLOODING WILL MAINLY AFFECT AREAS IN AND EAST OF ELLIJAY.

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.

LAT...LON 3471 8460 3458 8445 3472 8428 3484 8446

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

$$

2 follow-up statements

000 
WGUS72 KFFC 300321
FFSFFC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1114 PM EDT MON MAY 29 2006

GAC123-300630-
GILMER GA-
1114 PM EDT MON MAY 29 2006

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 230 AM EDT FOR
GILMER COUNTY...

AT 1111 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A THUNDERSTORM OVER THE CENTRAL PORTION OF GILMER COUNTY 
NEAR ELLIJAY. THE STORM WAS DRIFTING TO THE NORTH AND WEAKENING.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ELLIJAY AND 
CHERRY LOG.

ADDITIONAL RAINFALL FROM THE STORM SHOULD BE LESS THAN ONE INCH. 
HOWEVER...EXCESSIVE RUNOFF FROM EARLIER HEAVY RAINFALL WILL 
PROBABLY CAUSE FLOODING OF SMALL CREEKS AND STREAMS...AND ON
ROADWAYS...MAINLY IN AREAS JUST EAST OF ELLIJAY...AND POSSIBLY IN
THE CITY OF ELLIJAY. LOW LYING AREAS THAT FREQUENTLY SEE FLOODING
WILL BE ESPECIALLY VULNERABLE.

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.

LAT...LON 3471 8460 3458 8445 3472 8428 3484 8446

$$

000 
WGUS72 KFFC 300503
FFSFFC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
102 AM EDT TUE MAY 30 2006

GAC123-300506-
GILMER GA-
102 AM EDT TUE MAY 30 2006

...THE FLASH FLOOD WARNING FOR GILMER COUNTY IS CANCELLED...

THE STORM THAT PRODUCED VERY HEAVY RAIN JUST NORTH AND NORTHEAST OF 
ELLIJAY HAS LONG DISSIPATED AND THE THREAT OF FLASH FLOODING IS NO 
LONGER EXPECTED.  

LAT...LON 3471 8460 3458 8445 3472 8428 3484 8446

$$

Nearby

Flash Flood Warnings in Georgia, 2006 Every flash flood warning in 2006

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.