Alert archive / Georgia / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 264, NWS Atlanta, GA

July 13, 2015Emanuel County, Treutlen County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 13, 2015, 7:32 PM EDT for Emanuel County, Treutlen County, Georgia. It was in force for 43 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 13, 2015, 7:32 PM EDT (23:32 UTC)
Expired
Jul 13, 2015, 8:15 PM EDT
In force
43 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

Counties Emanuel County, GA, Treutlen County, GA

The radar

The Robins AFB radar (KJGX), 86 km from the middle of the area, began a volume at 23:35 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, 11.5 hours before the alert went out and 214 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 2015-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1240 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 2015-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -70 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
1240 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
1106 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
-70 m²/s²
0-3 km storm-relative helicity
-55 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.

932 
WUUS52 KFFC 132332
SVRFFC
GAC107-283-140015-
/O.NEW.KFFC.SV.W.0264.150713T2332Z-150714T0015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
732 PM EDT MON JUL 13 2015

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN TREUTLEN COUNTY IN EAST CENTRAL GEORGIA...
  CENTRAL EMANUEL COUNTY IN EAST CENTRAL GEORGIA...

* UNTIL 815 PM EDT

* AT 731 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED EXTENDING WEST 
  OF SWAINSBORO TO NEAR SOPERTON...MOVING EAST AT 5 MPH.

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

  SOURCE...RADAR INDICATED. 

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

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  SWAINSBORO...NUNEZ...MODOC...GILLIS SPRINGS...COVENA...DELLWOOD...
  ZAIDEE...NORRISTOWN JUNCTION AND NORRISTOWN.

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 THESE STORMS. MOVE INDOORS IMMEDIATELY.
LIGHTNING IS ONE OF NATURES 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 3234 8235 3234 8239 3235 8241 3233 8253
      3236 8256 3260 8255 3264 8250 3264 8249
      3266 8249 3268 8250 3270 8248 3266 8226
TIME...MOT...LOC 2331Z 287DEG 2KT 3259 8245 3239 8250 

HAIL...0.88IN
WIND...60MPH
 
$$
1 follow-up statement
620 
WWUS52 KFFC 140009
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
809 PM EDT MON JUL 13 2015

GAC107-283-140015-
/O.CON.KFFC.SV.W.0264.000000T0000Z-150714T0015Z/
TREUTLEN GA-EMANUEL GA-
809 PM EDT MON JUL 13 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT
FOR EASTERN TREUTLEN AND SOUTHWESTERN EMANUEL COUNTIES...

AT 809 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED EXTENDING FROM NEAR
NUNEZ TO NEAR SOPERTON...AND ARE NEARLY STATIONARY.
 
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
NUNEZ...GILLIS SPRINGS...COVENA...ZAIDEE AND NORRISTOWN. 

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 THESE STORMS. MOVE INDOORS IMMEDIATELY.
LIGHTNING IS ONE OF NATURES 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 3234 8235 3234 8239 3235 8241 3233 8253
      3236 8256 3253 8255 3254 8244 3249 8231
TIME...MOT...LOC 0009Z 010DEG 2KT 3243 8238 3242 8254 

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

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 12, 9:28 PM EDTSpecial Weather StatementFFCGordon32 min
Jul 12, 9:59 PM EDTSpecial Weather StatementFFCGordon31 min
Jul 12, 10:30 PM EDTSpecial Weather StatementFFCDouglas30 min
Jul 12, 10:31 PM EDTSpecial Weather StatementFFCGordon29 min
Jul 12, 10:53 PM EDTSpecial Weather StatementFFCFayette37 min
Jul 12, 10:58 PM EDTSpecial Weather StatementFFCCherokee32 min
Jul 12, 11:30 PM EDTSpecial Weather StatementFFCSpalding30 min
Jul 12, 11:42 PM EDTSpecial Weather StatementFFCHeard33 min
Jul 12, 11:50 PM EDTSpecial Weather StatementFFCCherokee25 min
Jul 13, 12:14 AM EDTSpecial Weather StatementFFCDeKalb, Fulton, Gwinnett46 min
Jul 13, 12:57 AM EDTSpecial Weather StatementFFCWalton48 min
Jul 13, 1:37 AM EDTSpecial Weather StatementFFCMorgan, Oconee23 min
Jul 13, 1:52 AM EDTSpecial Weather StatementFFCGreene38 min
Jul 13, 3:35 AM EDTHeat AdvisoryFFCDodge, Emanuel, Johnson, Laurens, Montgomery, Telfair and 3 more15 hr
Jul 13, 3:44 PM EDTSpecial Weather StatementFFCCrisp, Dooly31 min
Jul 13, 4:45 PM EDTSpecial Weather StatementFFCSumter30 min
Jul 13, 5:13 PM EDTSpecial Weather StatementFFCSumter32 min
Jul 13, 6:26 PM EDTSpecial Weather StatementFFCEmanuel49 min
Jul 13, 7:11 PM EDTSpecial Weather StatementFFCEmanuel49 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.