Alert archive / Georgia / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 241, NWS Atlanta, GA

July 12, 2000Butts County, Henry County, Spalding County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 12, 2000, 2:11 PM EDT for Butts County, Henry County, Spalding County, Georgia. It was in force for 34 min. 1 report came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued
Jul 12, 2000, 2:11 PM EDT (18:11 UTC)
Expired
Jul 12, 2000, 2:45 PM EDT
In force
34 min
Issued by
NWS Atlanta, GA
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Butts County, GA, Henry County, GA, Spalding County, GA

The radar

The Atlanta radar (KFFC), 47 km from the middle of the area, began a volume at 18:12 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
Jul 12, 2:22 PM EDTThunderstorm WindJenkinsburg, GAThe Butts county 911 center reported that a tree knocked down by thunderstorm winds caused a power line to fall.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 6.2 hours before the alert went out and 41 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 2000-07-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 778 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 2000-07-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 47 square meters per square second.1939Sfc1 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
778 J/kg
Mixed-layer CIN
-66 J/kg
Mixed-layer LCL
1345 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
47 m²/s²
0-3 km storm-relative helicity
31 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.

834 
WUUS52 KFFC 121811
SVRATL
GAC035-151-255-121845-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
211 PM EDT WED JUL 12 2000

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN BUTTS COUNTY IN CENTRAL GEORGIA
  SOUTHERN HENRY COUNTY IN NORTH CENTRAL GEORGIA
  EASTERN SPALDING COUNTY IN WEST CENTRAL GEORGIA

* UNTIL 245 PM EDT

* AT 206 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 5 MILES SOUTH OF LOCUST GROVE...OR ABOUT 9
  MILES WEST OF JACKSON...MOVING SOUTHEAST AT 10 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE JACKSON AND FLOVILLA

SEVERE THUNDERSTORM WINDS CAN BE AS DESTRUCTIVE AS A TORNADO. FOR
YOUR SAFETY...GO TO A SAFE PLACE IMMEDIATELY.

IF YOU SEE DAMAGE OR LARGE HAIL...CALL THE NATIONAL WEATHER SERVICE
AT 7 7 0 4 8 6 1 1 3 3 AT EXTENSION 2 0 4.

LAT...LON 3338 8415 3323 8422 3318 8416 3322 8409
          3322 8387 3329 8385

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 11, 8:51 PM EDTSevere Thunderstorm WarningFFCGwinnett39 min
Jul 12, 1:32 PM EDTSevere Thunderstorm WarningFFCClayton, Henry, Spalding28 min
Jul 12, 1:32 PM EDTSevere Thunderstorm WarningFFCFayette28 min
Jul 12, 1:57 PM EDTSevere Thunderstorm WarningFFCBibb, Twiggs33 min
Jul 12, 2:04 PM EDTSevere Thunderstorm WarningFFCLamar, Monroe26 min
Jul 12, 2:19 PM EDTSevere Thunderstorm WarningFFCLaurens, Wilkinson26 min
Jul 12, 2:27 PM EDTSevere Thunderstorm WarningFFCBibb, Twiggs33 min
Jul 12, 3:20 PM EDTSevere Thunderstorm WarningFFCJohnson, Laurens, Treutlen40 min
Jul 12, 3:20 PM EDTSevere Thunderstorm WarningFFCEmanuel40 min
Jul 12, 3:25 PM EDTSevere Thunderstorm WarningFFCDooly, Macon50 min
Jul 12, 5:53 PM EDTSevere Thunderstorm WarningFFCWalton22 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2000Every severe thunderstorm warning in 2000

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.