Alert archive / Georgia / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 138, NWS Atlanta, GA

June 25, 2016Chattahoochee County, Marion County, Stewart County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 25, 2016, 4:56 PM EDT for Chattahoochee County, Marion County, Stewart County, Georgia. It was in force for 34 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, 4:56 PM EDT (20:56 UTC)
Expired: Jun 25, 2016, 5:30 PM EDT
In force: 34 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Chattahoochee County, GA, Marion County, GA, Stewart County, GA

The radar

The Maxwell AFB radar (KMXX), 112 km from the middle of the area, began a volume at 20:58 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, 8.9 hours before the alert went out and 127 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

417 
WUUS52 KFFC 252056
SVRFFC
GAC053-197-259-252130-
/O.NEW.KFFC.SV.W.0138.160625T2056Z-160625T2130Z/

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

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN MARION COUNTY IN WEST CENTRAL GEORGIA...
  NORTHEASTERN STEWART COUNTY IN WEST CENTRAL GEORGIA...
  SOUTHEASTERN CHATTAHOOCHEE COUNTY IN WEST CENTRAL GEORGIA...

* UNTIL 530 PM EDT

* AT 456 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR BUENA
  VISTA... MOVING SOUTHWEST AT 15 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
  BUENA VISTA...ZELLOBEE...RENFROE...DOYLE...CHRISTOPHER AND MANTA. 

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 3220 8484 3235 8472 3233 8460 3229 8443
      3222 8452 3221 8460 3223 8462 3223 8465
      3222 8464 3220 8464 3219 8472
TIME...MOT...LOC 2056Z 022DEG 12KT 3224 8457 

HAIL...1.00IN
WIND...60MPH
 
$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 25, 3:34 AM EDT	Heat Advisory	FFC	Baldwin, Bibb, Bleckley, Butts, Crawford, Crisp and 29 more	18 hr
Jun 25, 3:13 PM EDT	Special Weather Statement	FFC	Sumter	32 min
Jun 25, 3:15 PM EDT	Severe Thunderstorm Warning	FFC	Sumter	45 min
Jun 25, 3:39 PM EDT	Severe Thunderstorm Warning	FFC	Sumter	51 min
Jun 25, 3:49 PM EDT	Special Weather Statement	FFC	Schley	26 min
Jun 25, 4:11 PM EDT	Special Weather Statement	FFC	Marion, Schley	49 min
Jun 25, 4:15 PM EDT	Severe Thunderstorm Warning	FFC	Sumter, Webster	15 min
Jun 25, 4:27 PM EDT	Severe Thunderstorm Warning	FFC	Sumter, Webster	21 min
Jun 25, 4:32 PM EDT	Special Weather Statement	FFC	Webster	28 min
Jun 25, 4:39 PM EDT	Severe Thunderstorm Warning	FFC	Marion, Stewart, Webster	51 min
Jun 25, 5:30 PM EDT	Special Weather Statement	FFC	Webster	30 min
Jun 25, 5:51 PM EDT	Special Weather Statement	FFC	Talbot	24 min
Jun 25, 6:03 PM EDT	Special Weather Statement	FFC	Wilcox	27 min
Jun 25, 6:08 PM EDT	Severe Thunderstorm Warning	FFC	Crisp, Wilcox	23 min
Jun 25, 6:12 PM EDT	Special Weather Statement	FFC	Marion	33 min
Jun 25, 6:28 PM EDT	Severe Thunderstorm Warning	FFC	Chattahoochee, Marion, Muscogee, Talbot	47 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2016 Every 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.