Alert archive / Georgia / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 107, NWS Atlanta, GA

May 16, 20124 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 16, 2012, 7:18 PM EDT for 4 counties in Georgia. It was in force for 42 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 16, 2012, 7:18 PM EDT (23:18 UTC)
Expired
May 16, 2012, 8:00 PM EDT
In force
42 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon

Counties Bleckley County, GA, Houston County, GA, Pulaski County, GA, Twiggs County, GA

The radar

The Robins AFB radar (KJGX), 30 km from the middle of the area, began a volume at 23:20 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, 11.3 hours before the alert went out and 135 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 2012-05-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 65 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 2012-05-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -5 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
65 J/kg
Mixed-layer CIN
-84 J/kg
Mixed-layer LCL
1032 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
-5 m²/s²
0-3 km storm-relative helicity
45 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.

319 
WUUS52 KFFC 162318
SVRFFC
GAC023-153-235-289-170000-
/O.NEW.KFFC.SV.W.0107.120516T2318Z-120517T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
718 PM EDT WED MAY 16 2012

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN BLECKLEY COUNTY IN CENTRAL GEORGIA
  EAST CENTRAL HOUSTON COUNTY IN CENTRAL GEORGIA
  NORTH CENTRAL PULASKI COUNTY IN CENTRAL GEORGIA
  SOUTH CENTRAL TWIGGS COUNTY IN CENTRAL GEORGIA

* UNTIL 800 PM EDT

* AT 716 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZED HAIL...AND
  DAMAGING WINDS UP TO 60 MPH.  THIS STORM WAS LOCATED NEAR SAND
  BED...MOVING EAST AT 5 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  KLONDIKE...OCMULGEE PUBLIC FISHING AREA...MOBLEY CROSSING...
  PAULK...MAGNOLIA...PORTER AND COLEY STATION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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. YOU CAN ALSO TWEET YOUR REPORT USING HASHTAG GAWX.

&&

LAT...LON 3260 8347 3231 8334 3235 8371 3244 8371
TIME...MOT...LOC 2318Z 276DEG 5KT 3243 8359

$$
1 follow-up statement
322 
WWUS52 KFFC 162345
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
745 PM EDT WED MAY 16 2012

GAC023-153-235-289-170000-
/O.CON.KFFC.SV.W.0107.000000T0000Z-120517T0000Z/
TWIGGS GA-PULASKI GA-BLECKLEY GA-HOUSTON GA-
745 PM EDT WED MAY 16 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR EAST CENTRAL HOUSTON...SOUTHWESTERN BLECKLEY...NORTH CENTRAL
PULASKI AND SOUTH CENTRAL TWIGGS COUNTIES...

AT 744 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZED
HAIL...AND DAMAGING WINDS UP TO 60 MPH. THIS STORM WAS LOCATED NEAR
OCMULGEE PUBLIC FISHING AREA...MOVING EAST AT 5 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MOBLEY
CROSSING...PAULK...MAGNOLIA...PORTER AND BAILEYS PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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. YOU CAN ALSO TWEET YOUR REPORT USING HASHTAG GAWX.

&&

LAT...LON 3254 8346 3231 8334 3235 8371 3240 8369
TIME...MOT...LOC 2345Z 276DEG 5KT 3243 8355

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 16, 6:16 PM EDTSpecial Weather StatementFFCBibb44 min
May 16, 6:35 PM EDTSpecial Weather StatementFFCOglethorpe40 min
May 16, 6:52 PM EDTSpecial Weather StatementFFCBibb38 min
May 16, 7:00 PM EDTSevere Thunderstorm WarningFFCBibb, Jones, Twiggs45 min
May 16, 7:08 PM EDTSpecial Weather StatementFFCHouston52 min
May 16, 7:12 PM EDTSpecial Weather StatementFFCWilkes48 min
May 16, 7:42 PM EDTSpecial Weather StatementFFCSumter48 min
May 16, 7:48 PM EDTSpecial Weather StatementFFCTaliaferro42 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2012Every severe thunderstorm warning in 2012

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.