Alert archive / Georgia / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 261, NWS Atlanta, GA

August 29, 20164 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Aug 29, 2016, 6:57 PM EDT for 4 counties in Georgia. It was in force for 48 min. 2 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
Aug 29, 2016, 6:57 PM EDT (22:57 UTC)
Expired
Aug 29, 2016, 7:45 PM EDT
In force
48 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

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

What was reported inside it

TimeReportWhereRemark
Aug 29, 7:04 PM EDTTSTM WND DMG5 Ne Macon, GAA TOTAL OF 6-8 TREES WERE DOWNED IN THE JOYCLIFF AND NEW CLINTON ROAD AREAS IN SOUTHERN JONES COUNTY.
Aug 29, 7:10 PM EDTTSTM WND DMGOglethorpe Homes, GAONE POWERLINE WAS DOWN IN EAST 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 98 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 2016-08-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 307 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 2016-08-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -36 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
307 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
868 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
-36 m²/s²
0-3 km storm-relative helicity
1 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

214 
WUUS52 KFFC 292257
SVRFFC
GAC021-169-207-289-292345-
/O.NEW.KFFC.SV.W.0261.160829T2257Z-160829T2345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
657 PM EDT MON AUG 29 2016

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BIBB COUNTY IN CENTRAL GEORGIA...
  SOUTHEASTERN MONROE COUNTY IN CENTRAL GEORGIA...
  NORTHWESTERN TWIGGS COUNTY IN CENTRAL GEORGIA...
  SOUTHERN JONES COUNTY IN CENTRAL GEORGIA...

* UNTIL 745 PM EDT

* AT 657 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER
  GRISWOLDVILLE...OR 9 MILES EAST OF MACON...MOVING WEST AT 35 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
  MACON...PAYNE...PAYNE CITY...WESLEYAN...JAMES...DRY
  BRANCH...SKIPPERTON...
  RUTLAND...FRANKLINTON...LIZELLA...GRISWOLDVILLE...MOUNTAIN
  SPRINGS... POSTELL...FITZPATRICK...GREENBERRY CROSSROADS...LAKE
  TOBESOFKEE...CROSS KEYS...ARKWRIGHT AND BOLINGBROKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

LARGE HAIL AND DAMAGING WINDS AND CONTINUOUS CLOUD TO GROUND
LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY.
LIGHTNING IS ONE OF NATURE'S LEADING KILLERS. REMEMBER...IF YOU CAN
HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

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 3272 8376 3273 8380 3274 8383 3280 8386
      3283 8390 3285 8390 3285 8391 3303 8382
      3295 8338 3291 8338 3290 8341 3285 8338
      3275 8338 3270 8374
TIME...MOT...LOC 2257Z 092DEG 28KT 3287 8348 

HAIL...1.00IN
WIND...60MPH
 
$$
1 follow-up statement
639 
WWUS52 KFFC 292317
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
717 PM EDT MON AUG 29 2016

GAC289-292326-
/O.CAN.KFFC.SV.W.0261.000000T0000Z-160829T2345Z/
TWIGGS GA-
717 PM EDT MON AUG 29 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN TWIGGS COUNTY IS
CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF 
THE WARNED AREA THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 3272 8376 3274 8382 3280 8386 3283 8389
      3284 8389 3285 8391 3303 8382 3297 8350
      3279 8351 3274 8358 3274 8360 3272 8360
      3270 8374
TIME...MOT...LOC 2316Z 092DEG 28KT 3288 8366 

$$

GAC021-169-207-292345-
/O.CON.KFFC.SV.W.0261.000000T0000Z-160829T2345Z/
BIBB GA-MONROE GA-JONES GA-
717 PM EDT MON AUG 29 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EDT
FOR BIBB...SOUTHEASTERN MONROE AND SOUTHWESTERN JONES COUNTIES...

AT 716 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER PAYNE...OR
NEAR MACON...MOVING WEST AT 30 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
MACON...PAYNE...PAYNE
CITY...WESLEYAN...RUTLAND...SKIPPERTON...FRANKLINTON...
LIZELLA...POSTELL...LAKE TOBESOFKEE...CROSS KEYS...BOLINGBROKE AND
ARKWRIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
MOVE INDOORS IMMEDIATELY. LIGHTNING IS ONE OF NATURE'S LEADING
KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO
BE STRUCK BY LIGHTNING.

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 3272 8376 3274 8382 3280 8386 3283 8389
      3284 8389 3285 8391 3303 8382 3297 8350
      3279 8351 3274 8358 3274 8360 3272 8360
      3270 8374
TIME...MOT...LOC 2316Z 092DEG 28KT 3288 8366 

HAIL...<.75IN
WIND...60MPH
 
$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 29, 3:32 PM EDTSpecial Weather StatementFFCTwiggs28 min
Aug 29, 3:43 PM EDTSpecial Weather StatementFFCTwiggs32 min
Aug 29, 3:54 PM EDTSpecial Weather StatementFFCTwiggs36 min
Aug 29, 6:05 PM EDTSpecial Weather StatementFFCUpson25 min
Aug 29, 6:27 PM EDTSpecial Weather StatementFFCWilkinson33 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2016Every severe thunderstorm warning in 2016

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.