Alert archive / Georgia / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 232, NWS Atlanta, GA

April 22, 2005Cobb County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Apr 22, 2005, 10:15 PM EDT for Cobb County, Georgia. It was in force for 15 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 22, 2005, 10:15 PM EDT (02:15 UTC)
Expired
Apr 22, 2005, 10:30 PM EDT
In force
15 min
Issued by
NWS Atlanta, GA
Area
Counties, with a storm outline in the text

County Cobb County, GA

The radar

The Atlanta radar (KFFC), 66 km from the middle of the area, began a volume at 02:18 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 22, 6:40 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 2.3 hours before the alert went out and 65 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 2005-04-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 485 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 2005-04-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 283 square meters per square second.19395878Sfc1 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
485 J/kg
Mixed-layer CIN
-83 J/kg
Mixed-layer LCL
987 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
283 m²/s²
0-3 km storm-relative helicity
272 m²/s²
Significant tornado parameter
0.4
Supercell composite
3.3

Open this sounding in Storm Lab

The text

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

000 
WUUS52 KFFC 230214
SVRFFC
GAC067-230230-
/O.NEW.KFFC.SV.W.0232.050423T0215Z-050423T0230Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1015 PM EDT FRI APR 22 2005

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  COBB COUNTY IN NORTH CENTRAL GEORGIA

* UNTIL 1030 PM EDT

* AT 1013 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL.  THIS
  STORM WAS LOCATED NEAR WHITEWATER...AND MOVING SOUTHEAST AT 30 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  VININGS.

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 3403 8447 3390 8458 3382 8447 3398 8437

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 22, 8:04 PM EDTTornado WarningFFCChattooga26 min
Apr 22, 8:13 PM EDTSevere Thunderstorm WarningFFCWhitfield35 min
Apr 22, 8:16 PM EDTSevere Thunderstorm WarningFFCCatoosa29 min
Apr 22, 8:29 PM EDTSevere Thunderstorm WarningFFCFloyd31 min
Apr 22, 8:38 PM EDTSevere Thunderstorm WarningFFCMurray37 min
Apr 22, 8:51 PM EDTSevere Thunderstorm WarningFFCGordon24 min
Apr 22, 8:53 PM EDTSevere Thunderstorm WarningFFCBartow37 min
Apr 22, 8:57 PM EDTSevere Thunderstorm WarningFFCFannin48 min
Apr 22, 8:58 PM EDTSevere Thunderstorm WarningFFCFloyd32 min
Apr 22, 9:19 PM EDTSevere Thunderstorm WarningFFCPolk26 min
Apr 22, 9:25 PM EDTSevere Thunderstorm WarningFFCBartow, Paulding35 min
Apr 22, 9:27 PM EDTSevere Thunderstorm WarningFFCFloyd33 min
Apr 22, 9:40 PM EDTSevere Thunderstorm WarningFFCCherokee, Cobb35 min
Apr 22, 9:46 PM EDTSevere Thunderstorm WarningFFCHaralson29 min
Apr 22, 9:59 PM EDTSevere Thunderstorm WarningFFCFulton31 min
Apr 22, 10:06 PM EDTSevere Thunderstorm WarningFFCCarroll24 min
Apr 22, 10:12 PM EDTSevere Thunderstorm WarningFFCPaulding33 min
Apr 22, 10:22 PM EDTSevere Thunderstorm WarningFFCDeKalb, Gwinnett23 min
Apr 22, 10:42 PM EDTSevere Thunderstorm WarningFFCGwinnett33 min
Apr 22, 10:56 PM EDTSevere Thunderstorm WarningFFCRockdale, Walton34 min
Apr 22, 11:21 PM EDTSevere Thunderstorm WarningFFCCoweta, Meriwether24 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2005Every severe thunderstorm 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.