Alert archive / Georgia / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 245, NWS Atlanta, GA

July 31, 2016Macon County, Peach County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 31, 2016, 2:07 PM EDT for Macon County, Peach County, Georgia. It was in force for 38 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
Jul 31, 2016, 2:07 PM EDT (18:07 UTC)
Expired
Jul 31, 2016, 2:45 PM EDT
In force
38 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Macon County, GA, Peach County, GA

The radar

The Robins AFB radar (KJGX), 64 km from the middle of the area, began a volume at 18:08 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, 6.1 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 2016-07-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 303 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 2016-07-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 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
303 J/kg
Mixed-layer CIN
-109 J/kg
Mixed-layer LCL
1101 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
34 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

069 
WUUS52 KFFC 311807
SVRFFC
GAC193-225-311845-
/O.NEW.KFFC.SV.W.0245.160731T1807Z-160731T1845Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
207 PM EDT SUN JUL 31 2016

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN PEACH COUNTY IN CENTRAL GEORGIA...
  NORTHEASTERN MACON COUNTY IN WEST CENTRAL GEORGIA...

* UNTIL 245 PM EDT

* AT 207 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR
  MARSHALLVILLE...OR 9 MILES SOUTHWEST OF FORT VALLEY...MOVING
  NORTHEAST AT 15 MPH.

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

  SOURCE...RADAR INDICATED. 

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

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO FORT
  VALLEY...MARSHALLVILLE...WINCHESTER...GARDEN VALLEY...SAINT LOUIS
  AND HICKS.

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 8413 3251 8411 3251 8407 3252 8407
      3252 8405 3253 8405 3253 8400 3256 8396
      3255 8395 3256 8395 3258 8393 3261 8384
      3238 8385
TIME...MOT...LOC 1807Z 241DEG 14KT 3249 8402 

HAIL...0.75IN
WIND...60MPH
 
$$

16

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 31, 1:14 PM EDTSpecial Weather StatementFFCTaylor31 min
Jul 31, 1:24 PM EDTSevere Thunderstorm WarningFFCMacon, Taylor36 min
Jul 31, 1:27 PM EDTSpecial Weather StatementFFCSchley33 min
Jul 31, 1:45 PM EDTSevere Thunderstorm WarningFFCCrawford, Peach30 min
Jul 31, 1:50 PM EDTSpecial Weather StatementFFCSumter25 min
Jul 31, 2:20 PM EDTSpecial Weather StatementFFCBibb, Crawford40 min
Jul 31, 2:36 PM EDTSpecial Weather StatementFFCDooly39 min
Jul 31, 2:53 PM EDTSevere Thunderstorm WarningFFCBibb, Jones, Twiggs52 min
Jul 31, 3:00 PM EDTSpecial Weather StatementFFCMeriwether, Pike45 min
Jul 31, 3:02 PM EDTSpecial Weather StatementFFCMarion, Muscogee43 min
Jul 31, 3:05 PM EDTSpecial Weather StatementFFCTwiggs40 min
Jul 31, 3:19 PM EDTSpecial Weather StatementFFCCrisp, Dooly, Pulaski, Wilcox41 min
Jul 31, 3:33 PM EDTSevere Thunderstorm WarningFFCHarris, Talbot42 min
Jul 31, 3:54 PM EDTSpecial Weather StatementFFCPulaski, Wilcox51 min
Jul 31, 4:12 PM EDTSpecial Weather StatementFFCWashington48 min
Jul 31, 4:15 PM EDTSpecial Weather StatementFFCMeriwether, Pike30 min
Jul 31, 4:21 PM EDTSpecial Weather StatementFFCDouglas39 min
Jul 31, 4:40 PM EDTSpecial Weather StatementFFCChattahoochee, Stewart50 min
Jul 31, 4:59 PM EDTSpecial Weather StatementFFCJohnson46 min
Jul 31, 5:02 PM EDTSpecial Weather StatementFFCMontgomery, Wheeler28 min
Jul 31, 5:16 PM EDTSpecial Weather StatementFFCClayton44 min
Jul 31, 5:22 PM EDTSpecial Weather StatementFFCHaralson53 min
Jul 31, 5:33 PM EDTSpecial Weather StatementFFCCobb42 min
Jul 31, 5:39 PM EDTSpecial Weather StatementFFCMontgomery, Wheeler51 min
Jul 31, 5:50 PM EDTSpecial Weather StatementFFCRockdale, Walton40 min
Jul 31, 7:20 PM EDTSpecial Weather StatementFFCClarke, Madison, Oglethorpe40 min
Jul 31, 7:21 PM EDTSpecial Weather StatementFFCBanks, Jackson39 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.