Alert archive / Georgia / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 90, NWS Atlanta, GA

May 31, 20154 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 31, 2015, 5:58 PM EDT for 4 counties in Georgia. It was in force for 47 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
May 31, 2015, 5:58 PM EDT (21:58 UTC)
Expired
May 31, 2015, 6:45 PM EDT
In force
47 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Crawford County, GA, Macon County, GA, Peach County, GA, Taylor County, GA

The radar

The Robins AFB radar (KJGX), 67 km from the middle of the area, began a volume at 21:57 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 12:00Z, 10.0 hours before the alert went out and 105 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 2015-05-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 518 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 12:00Z on 2015-05-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 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
518 J/kg
Mixed-layer CIN
-55 J/kg
Mixed-layer LCL
900 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
29 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.

054 
WUUS52 KFFC 312158
SVRFFC
GAC079-193-225-269-312245-
/O.NEW.KFFC.SV.W.0090.150531T2158Z-150531T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
558 PM EDT SUN MAY 31 2015

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WEST CENTRAL PEACH COUNTY IN CENTRAL GEORGIA...
  NORTHERN MACON COUNTY IN WEST CENTRAL GEORGIA...
  SOUTHWESTERN CRAWFORD COUNTY IN CENTRAL GEORGIA...
  EASTERN TAYLOR COUNTY IN WEST CENTRAL GEORGIA...

* UNTIL 645 PM EDT

* AT 557 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR REYNOLDS...
  OR 10 MILES WEST OF FORT VALLEY...MOVING NORTH AT 15 MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING AND TREES. 

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  MARSHALLVILLE...REYNOLDS...HORNS...POTTERVILLE...GARDEN VALLEY...
  FICKLING MILL...HICKS...NAKOMIS...LEE POPE AND WINCHESTER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

IF YOU SEE WIND DAMAGE...HAIL OR 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 OR TWEET US YOUR REPORT AT NWSATLANTA.

&&

LAT...LON 3238 8393 3239 8416 3268 8424 3271 8393
TIME...MOT...LOC 2157Z 169DEG 11KT 3250 8406 

HAIL...1.00IN
WIND...60MPH
 
$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 31, 12:00 PM EDTSpecial Weather StatementFFCForsyth30 min
May 31, 12:29 PM EDTSpecial Weather StatementFFCCatoosa, Walker31 min
May 31, 12:35 PM EDTSpecial Weather StatementFFCForsyth40 min
May 31, 12:53 PM EDTSpecial Weather StatementFFCDeKalb, Fulton22 min
May 31, 1:09 PM EDTSpecial Weather StatementFFCTaylor51 min
May 31, 1:17 PM EDTSpecial Weather StatementFFCDeKalb28 min
May 31, 1:23 PM EDTSpecial Weather StatementFFCForsyth37 min
May 31, 1:35 PM EDTSpecial Weather StatementFFCWhitfield40 min
May 31, 1:49 PM EDTSevere Thunderstorm WarningFFCForsyth, Gwinnett, Hall41 min
May 31, 1:55 PM EDTSpecial Weather StatementFFCWalker35 min
May 31, 2:11 PM EDTSpecial Weather StatementFFCWalton34 min
May 31, 2:34 PM EDTSpecial Weather StatementFFCBarrow, Gwinnett41 min
May 31, 2:36 PM EDTSpecial Weather StatementFFCWhitfield39 min
May 31, 2:54 PM EDTSpecial Weather StatementFFCHenry51 min
May 31, 3:06 PM EDTSpecial Weather StatementFFCRockdale39 min
May 31, 3:09 PM EDTSpecial Weather StatementFFCPike36 min
May 31, 3:15 PM EDTSpecial Weather StatementFFCFannin, Gilmer, Pickens45 min
May 31, 3:26 PM EDTSpecial Weather StatementFFCMeriwether34 min
May 31, 3:38 PM EDTSpecial Weather StatementFFCCobb52 min
May 31, 3:46 PM EDTSpecial Weather StatementFFCButts44 min
May 31, 3:58 PM EDTSpecial Weather StatementFFCStewart32 min
May 31, 4:05 PM EDTRiver Flood WarningFFCGwinnett7 days
May 31, 4:22 PM EDTSpecial Weather StatementFFCNewton38 min
May 31, 4:29 PM EDTSpecial Weather StatementFFCStewart, Webster46 min
May 31, 4:32 PM EDTSpecial Weather StatementFFCCherokee43 min
May 31, 4:34 PM EDTSpecial Weather StatementFFCPaulding26 min
May 31, 4:41 PM EDTSpecial Weather StatementFFCUnion34 min
May 31, 4:48 PM EDTSpecial Weather StatementFFCTaylor27 min
May 31, 5:01 PM EDTSpecial Weather StatementFFCPaulding29 min
May 31, 5:06 PM EDTSpecial Weather StatementFFCChattahoochee39 min
May 31, 5:09 PM EDTSevere Thunderstorm WarningFFCCarroll, Haralson, Paulding51 min
May 31, 5:17 PM EDTSpecial Weather StatementFFCCrisp, Dooly, Sumter43 min
May 31, 5:20 PM EDTSevere Thunderstorm WarningFFCCrawford, Taylor, Upson40 min
May 31, 5:37 PM EDTSevere Thunderstorm WarningFFCHarris, Muscogee38 min
May 31, 5:42 PM EDTSpecial Weather StatementFFCJasper, Putnam33 min
May 31, 5:44 PM EDTSevere Thunderstorm WarningFFCBartow, Floyd, Polk34 min
May 31, 5:49 PM EDTSpecial Weather StatementFFCCoweta26 min
May 31, 5:52 PM EDTSevere Thunderstorm WarningFFCCoweta38 min
May 31, 5:54 PM EDTSevere Thunderstorm WarningFFCMeriwether, Talbot51 min
May 31, 6:17 PM EDTSpecial Weather StatementFFCHarris, Muscogee43 min
May 31, 6:30 PM EDTSpecial Weather StatementFFCUpson45 min
May 31, 6:45 PM EDTSpecial Weather StatementFFCDouglas45 min
May 31, 6:46 PM EDTSpecial Weather StatementFFCCoweta44 min
May 31, 6:50 PM EDTSpecial Weather StatementFFCMeriwether25 min
May 31, 6:55 PM EDTSpecial Weather StatementFFCPike35 min
May 31, 7:02 PM EDTSevere Thunderstorm WarningFFCLamar, Monroe43 min
May 31, 7:06 PM EDTSpecial Weather StatementFFCHarris54 min
May 31, 7:12 PM EDTSpecial Weather StatementFFCWilkes33 min
May 31, 7:18 PM EDTSpecial Weather StatementFFCCoweta, Heard, Meriwether, Troup42 min
May 31, 7:34 PM EDTSpecial Weather StatementFFCLamar, Spalding26 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2015Every severe thunderstorm warning in 2015

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.