Alert archive / Georgia / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 134, NWS Atlanta, GA

June 25, 2016Sumter County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 25, 2016, 3:39 PM EDT for Sumter County, Georgia. It was in force for 51 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
Jun 25, 2016, 3:39 PM EDT (19:39 UTC)
Expired
Jun 25, 2016, 4:30 PM EDT
In force
51 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Hail
1.0 in
Wind
70.0 mph

County Sumter County, GA

The radar

The Robins AFB radar (KJGX), 121 km from the middle of the area, began a volume at 19:39 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, 7.7 hours before the alert went out and 159 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 2016-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 706 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 2016-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 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
706 J/kg
Mixed-layer CIN
-83 J/kg
Mixed-layer LCL
1438 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
8 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

708 
WUUS52 KFFC 251939
SVRFFC
GAC261-252030-
/O.NEW.KFFC.SV.W.0134.160625T1939Z-160625T2030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
339 PM EDT SAT JUN 25 2016

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN SUMTER COUNTY IN WEST CENTRAL GEORGIA...

* UNTIL 430 PM EDT

* AT 339 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR AMERICUS...
  MOVING SOUTH AT 15 MPH.

  HAZARD...70 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT CONSIDERABLE 
           TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO MOBILE HOMES...
           ROOFS...AND OUTBUILDINGS. 

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  AMERICUS...SUMTER...MADDOX AND CROXTON CROSSROADS. 

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 3189 8436 3211 8438 3213 8424 3192 8415
      3191 8433 3188 8434 3188 8435
TIME...MOT...LOC 1939Z 344DEG 15KT 3203 8428 

HAIL...1.00IN
WIND...70MPH
 
$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 3:34 AM EDTHeat AdvisoryFFCBaldwin, Bibb, Bleckley, Butts, Crawford, Crisp and 29 more18 hr
Jun 25, 3:13 PM EDTSpecial Weather StatementFFCSumter32 min
Jun 25, 3:15 PM EDTSevere Thunderstorm WarningFFCSumter45 min
Jun 25, 3:49 PM EDTSpecial Weather StatementFFCSchley26 min
Jun 25, 4:11 PM EDTSpecial Weather StatementFFCMarion, Schley49 min
Jun 25, 4:15 PM EDTSevere Thunderstorm WarningFFCSumter, Webster15 min
Jun 25, 4:27 PM EDTSevere Thunderstorm WarningFFCSumter, Webster21 min
Jun 25, 4:32 PM EDTSpecial Weather StatementFFCWebster28 min
Jun 25, 4:39 PM EDTSevere Thunderstorm WarningFFCMarion, Stewart, Webster51 min
Jun 25, 4:56 PM EDTSevere Thunderstorm WarningFFCChattahoochee, Marion, Stewart34 min
Jun 25, 5:30 PM EDTSpecial Weather StatementFFCWebster30 min
Jun 25, 5:51 PM EDTSpecial Weather StatementFFCTalbot24 min
Jun 25, 6:03 PM EDTSpecial Weather StatementFFCWilcox27 min
Jun 25, 6:08 PM EDTSevere Thunderstorm WarningFFCCrisp, Wilcox23 min
Jun 25, 6:12 PM EDTSpecial Weather StatementFFCMarion33 min
Jun 25, 6:28 PM EDTSevere Thunderstorm WarningFFCChattahoochee, Marion, Muscogee, Talbot47 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.