Alert archive / Georgia / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 128, NWS Atlanta, GA

June 5, 2007DeKalb County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 5, 2007, 4:49 PM EDT for DeKalb County, Georgia. It was in force for 26 min. 2 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
Jun 5, 2007, 4:49 PM EDT (20:49 UTC)
Expired
Jun 5, 2007, 5:15 PM EDT
In force
26 min
Issued by
NWS Atlanta, GA
Area
Counties, with a storm outline in the text

County DeKalb County, GA

The radar

The Atlanta radar (KFFC), 49 km from the middle of the area, began a volume at 20:50 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

TimeReportWhereRemark
Jun 5, 4:50 PM EDTTSTM WND DMGStone Mountain, GA6 TREES BLOWN DOWN...A COUPLE ON ROADWAYS.
Jun 5, 4:50 PM EDTHAIL 0.75Stone Mountain, GA

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, 8.8 hours before the alert went out and 45 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-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 12:00Z on 2007-06-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 88 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 2007-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
88 J/kg
Mixed-layer CIN
-96 J/kg
Mixed-layer LCL
1340 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
43 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 
WUUS52 KFFC 052049
SVRFFC
GAC089-052115-
/O.NEW.KFFC.SV.W.0128.070605T2049Z-070605T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
449 PM EDT TUE JUN 5 2007

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN DEKALB COUNTY IN NORTH CENTRAL GEORGIA

* UNTIL 515 PM EDT

* AT 446 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS.  THESE STORMS WERE LOCATED ALONG A
  LINE EXTENDING FROM STONE MOUNTAIN TO GRESHAM PARK...MOVING EAST AT
  25 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO REDAN
  AND LITHONIA.

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.

LAT...LON 3363 8412 3365 8414 3365 8421 3364 8424
      3366 8426 3366 8433 3371 8433 3383 8414
      3375 8404

$$


19
1 follow-up statement
000 
WWUS52 KFFC 052114
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
512 PM EDT TUE JUN 5 2007

GAC089-052122-
/O.EXP.KFFC.SV.W.0128.000000T0000Z-070605T2115Z/
DEKALB GA-
512 PM EDT TUE JUN 5 2007

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN DEKALB COUNTY WILL 
BE ALLOWED TO EXPIRE AT 515 PM EDT...

AT 507 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A LINE OF STRONG THUNDERSTORMS ACROSS SOUTHEAST DEKALB 
COUNTY. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 8 
MILES NORTHEAST OF LITHONIA TO REDAN...MOVING EAST AT 25 MPH.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. 
MOVE INDOORS IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE 
KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH 
TO BE STRUCK BY LIGHTNING.

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT 
UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.

LAT...LON 3363 8412 3365 8414 3365 8421 3364 8424
      3366 8426 3366 8433 3371 8433 3383 8414
      3375 8404

$$


19

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 5, 2:24 PM EDTSevere Thunderstorm WarningFFCTroup36 min
Jun 5, 2:28 PM EDTSevere Thunderstorm WarningFFCMeriwether32 min
Jun 5, 2:47 PM EDTSevere Thunderstorm WarningFFCHarris28 min
Jun 5, 2:49 PM EDTSevere Thunderstorm WarningFFCHenry, Spalding26 min
Jun 5, 3:07 PM EDTSevere Thunderstorm WarningFFCDodge, Laurens23 min
Jun 5, 3:32 PM EDTSevere Thunderstorm WarningFFCHouston28 min
Jun 5, 4:01 PM EDTSevere Thunderstorm WarningFFCLaurens44 min
Jun 5, 4:02 PM EDTSevere Thunderstorm WarningFFCHouston, Pulaski28 min
Jun 5, 4:04 PM EDTSevere Thunderstorm WarningFFCBarrow, Gwinnett26 min
Jun 5, 4:09 PM EDTSevere Thunderstorm WarningFFCFulton25 min
Jun 5, 4:20 PM EDTSevere Thunderstorm WarningFFCBleckley25 min
Jun 5, 4:24 PM EDTSevere Thunderstorm WarningFFCMacon51 min
Jun 5, 4:36 PM EDTSevere Thunderstorm WarningFFCSumter24 min
Jun 5, 4:37 PM EDTSevere Thunderstorm WarningFFCGwinnett23 min
Jun 5, 4:54 PM EDTSevere Thunderstorm WarningFFCCrisp, Dooly51 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2007Every severe thunderstorm warning in 2007

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.