Alert archive / Georgia / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 106, NWS Atlanta, GA

May 16, 2012Bibb County, Jones County, Twiggs County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 16, 2012, 7:00 PM EDT for Bibb County, Jones County, Twiggs County, Georgia. It was in force for 45 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
May 16, 2012, 7:00 PM EDT (23:00 UTC)
Expired
May 16, 2012, 7:45 PM EDT
In force
45 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon

Counties Bibb County, GA, Jones County, GA, Twiggs County, GA

The radar

The Robins AFB radar (KJGX), 26 km from the middle of the area, began a volume at 23:00 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
May 16, 7:10 PM EDTTSTM WND DMG1 N Macon, GATHE MEDIA RELAYED A REPORT OF A TREE ON A HOUSE ALONG 2ND AVENUE IN MACON.
May 16, 7:10 PM EDTTSTM WND DMG2 Sw Macon, GATHE MEDIA RELAYED A REPORT OF A TREE DOWN ON A HOME ALONG SAINT CHARLES PLACE.
May 16, 7:10 PM EDTTSTM WND DMGMacon, GATHE 911 CENTER REPORTS AN ADDITIONAL 5 TREES DOWN AT VARIOUS LOCATIONS WITHIN THE CITY OF MACON.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.0 hours before the alert went out and 106 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.

520 
WUUS52 KFFC 162300
SVRFFC
GAC021-169-289-162345-
/O.NEW.KFFC.SV.W.0106.120516T2300Z-120516T2345Z/

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

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN BIBB COUNTY IN CENTRAL GEORGIA
  SOUTH CENTRAL JONES COUNTY IN CENTRAL GEORGIA
  NORTHWESTERN TWIGGS COUNTY IN CENTRAL GEORGIA

* UNTIL 745 PM EDT

* AT 654 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 6 MILES SOUTH
  OF MACON...MOVING NORTHEAST AT 5 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  RUTLAND...FITZPATRICK...HUBER...DRY BRANCH...FRANKLINTON...CROSS
  KEYS AND GRISWOLDVILLE.

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 3294 8354 3277 8337 3268 8363 3278 8375
TIME...MOT...LOC 2300Z 226DEG 3KT 3275 8367

$$
2 follow-up statements
465 
WWUS52 KFFC 162321
SVSFFC

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

GAC021-169-289-162345-
/O.CON.KFFC.SV.W.0106.000000T0000Z-120516T2345Z/
TWIGGS GA-JONES GA-BIBB GA-
721 PM EDT WED MAY 16 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EDT
FOR EAST CENTRAL BIBB...SOUTH CENTRAL JONES AND NORTHWESTERN TWIGGS
COUNTIES...

AT 720 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
MACON...MOVING NORTHEAST AT 5 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO DRY
BRANCH...FRANKLINTON...CROSS KEYS...POSTELL AND GRISWOLDVILLE.

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 3273 8358 3280 8372 3294 8354 3277 8337
TIME...MOT...LOC 2321Z 226DEG 3KT 3276 8366

$$
352 
WWUS52 KFFC 162344
SVSFFC

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

GAC021-169-289-162353-
/O.EXP.KFFC.SV.W.0106.000000T0000Z-120516T2345Z/
TWIGGS GA-JONES GA-BIBB GA-
744 PM EDT WED MAY 16 2012

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL BIBB...SOUTH
CENTRAL JONES AND NORTHWESTERN TWIGGS COUNTIES EXPIRES AT 745 PM
EDT...

ALTHOUGH THE WARNING HAS EXPIRED...THIS IS STILL A STRONG 
STORM...CAPABLE OF PRODUCING DIME SIZED HAIL AND 40 MPH WINDS.

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 3273 8358 3280 8372 3294 8354 3277 8337
TIME...MOT...LOC 2343Z 226DEG 3KT 3277 8364

$$

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, 7:08 PM EDTSpecial Weather StatementFFCHouston52 min
May 16, 7:12 PM EDTSpecial Weather StatementFFCWilkes48 min
May 16, 7:18 PM EDTSevere Thunderstorm WarningFFCBleckley, Houston, Pulaski, Twiggs42 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.