Alert archive / Georgia / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 22, NWS Atlanta, GA

April 12, 2004Meriwether County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Apr 12, 2004, 11:13 PM EDT for Meriwether County, Georgia. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 12, 2004, 11:13 PM EDT (03:13 UTC)
Expired
Apr 12, 2004, 11:45 PM EDT
In force
32 min
Issued by
NWS Atlanta, GA
Area
Counties, with a storm outline in the text

County Meriwether County, GA

The radar

The Atlanta radar (KFFC), 47 km from the middle of the area, began a volume at 03:14 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 12, 7:50 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 3.2 hours before the alert went out and 49 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 00:00Z on 2004-04-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 823 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 00:00Z on 2004-04-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 77 square meters per square second.1939587897117Sfc1 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
823 J/kg
Mixed-layer CIN
-42 J/kg
Mixed-layer LCL
1087 m above ground
0-6 km bulk shear
74 kt
0-1 km storm-relative helicity
77 m²/s²
0-3 km storm-relative helicity
200 m²/s²
Significant tornado parameter
0.7
Supercell composite
2.8

Open this sounding in Storm Lab

The text

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

000 
WUUS52 KFFC 130313
SVRATL
GAC199-130345-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1111 PM EDT MON APR 12 2004

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MERIWETHER COUNTY IN WEST CENTRAL GEORGIA

* UNTIL 1145 PM EDT

* AT 1109 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 17 MILES SOUTHWEST OF WARM SPRINGS IN HARRIS
  COUNTY NEAR HAMILTON...MOVING NORTHEAST AT 70 MPH.

* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...GAY...
GREENVILLE...WARM SPRINGS...AND WOODBURY.

THIS STORM HAS HAD A LONG HISTORY OF PRODUCING HAIL TO THE SIZE OF
GOLF BALLS...AND IS STILL CAPABLE OF PRODUCING HAIL TO THE SIZE OF
GOLF BALLS AND WIND GUSTS TO 60 MPH.

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 3287 8477 3285 8488 3309 8474 3321 8450
          3298 8455 3283 8466

$$

RAB

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 12, 8:07 PM EDTSevere Thunderstorm WarningFFCPike23 min
Apr 12, 8:22 PM EDTSevere Thunderstorm WarningFFCButts, Jasper23 min
Apr 12, 10:49 PM EDTSevere Thunderstorm WarningFFCMuscogee26 min
Apr 12, 10:52 PM EDTSevere Thunderstorm WarningFFCMuscogee23 min
Apr 12, 11:00 PM EDTSevere Thunderstorm WarningFFCHarris30 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2004Every severe thunderstorm warning in 2004

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.