Alert archive / Georgia / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 161, NWS Atlanta, GA

June 23, 2015Macon County, Schley County, Sumter County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 23, 2015, 1:07 PM EDT for Macon County, Schley County, Sumter 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: Jun 23, 2015, 1:07 PM EDT (17:07 UTC)
Expired: Jun 23, 2015, 1:45 PM EDT
In force: 38 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon
Hail: 0.88 in
Wind: 60.0 mph

Counties Macon County, GA, Schley County, GA, Sumter County, GA

The radar

The Robins AFB radar (KJGX), 84 km from the middle of the area, began a volume at 17:09 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, 5.1 hours before the alert went out and 136 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: 1017 J/kg
Mixed-layer CIN: -73 J/kg
Mixed-layer LCL: 1275 m above ground
0-6 km bulk shear: 1 kt
0-1 km storm-relative helicity: -40 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.

255 
WUUS52 KFFC 231707
SVRFFC
GAC193-249-261-231745-
/O.NEW.KFFC.SV.W.0161.150623T1707Z-150623T1745Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
107 PM EDT TUE JUN 23 2015

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN MACON COUNTY IN WEST CENTRAL GEORGIA...
  SOUTHEASTERN SCHLEY COUNTY IN WEST CENTRAL GEORGIA...
  NORTHEASTERN SUMTER COUNTY IN WEST CENTRAL GEORGIA...

* UNTIL 145 PM EDT

* AT 106 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR
  ANDERSONVILLE...OR 7 MILES WEST OF OGLETHORPE...MOVING SOUTHEAST AT
  10 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
  OGLETHORPE...MONTEZUMA...IDEAL...ANDERSONVILLE...FOUNTAINVILLE...
  METHVINS...ANDERSONVILLE NATIONAL HISTORIC...BUMPHEAD...
  CLEARVIEW...BARTLETT...PENNINGTON AND LA CROSSE.

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 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 3222 8430 3238 8421 3231 8391 3226 8394
      3225 8397 3222 8398 3218 8403 3215 8403
      3213 8401 3212 8401 3206 8404
TIME...MOT...LOC 1706Z 295DEG 8KT 3227 8419 

HAIL...0.88IN
WIND...60MPH
 
$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 22, 10:18 PM EDT	Special Weather Statement	FFC	Johnson	27 min
Jun 22, 11:21 PM EDT	Special Weather Statement	FFC	Washington	24 min
Jun 23, 12:58 PM EDT	Special Weather Statement	FFC	Schley	47 min
Jun 23, 1:08 PM EDT	Special Weather Statement	FFC	Twiggs	37 min
Jun 23, 1:09 PM EDT	Special Weather Statement	FFC	Wilkinson	36 min
Jun 23, 1:10 PM EDT	Special Weather Statement	FFC	Glascock, Warren	35 min
Jun 23, 1:23 PM EDT	Special Weather Statement	FFC	Jones	37 min
Jun 23, 1:25 PM EDT	Special Weather Statement	FFC	Hancock	35 min
Jun 23, 1:41 PM EDT	Severe Thunderstorm Warning	FFC	Sumter	49 min
Jun 23, 1:54 PM EDT	Special Weather Statement	FFC	Bleckley, Houston, Twiggs	36 min
Jun 23, 1:57 PM EDT	Special Weather Statement	FFC	Wilkinson	33 min
Jun 23, 2:01 PM EDT	Special Weather Statement	FFC	Jones	29 min
Jun 23, 2:02 PM EDT	Special Weather Statement	FFC	Hancock	43 min
Jun 23, 2:03 PM EDT	Special Weather Statement	FFC	Glascock	42 min
Jun 23, 2:04 PM EDT	Special Weather Statement	FFC	Dooly	26 min
Jun 23, 2:08 PM EDT	Severe Thunderstorm Warning	FFC	Crisp, Dooly	24 min
Jun 23, 2:23 PM EDT	Special Weather Statement	FFC	Washington	37 min
Jun 23, 2:27 PM EDT	Special Weather Statement	FFC	Hancock	33 min
Jun 23, 2:29 PM EDT	Special Weather Statement	FFC	Pulaski	31 min
Jun 23, 2:31 PM EDT	Special Weather Statement	FFC	Sumter	29 min
Jun 23, 2:35 PM EDT	Special Weather Statement	FFC	Bleckley	25 min
Jun 23, 2:36 PM EDT	Special Weather Statement	FFC	Johnson	24 min
Jun 23, 2:44 PM EDT	Severe Thunderstorm Warning	FFC	Bleckley, Dodge, Pulaski	46 min
Jun 23, 2:46 PM EDT	Special Weather Statement	FFC	Crisp	29 min
Jun 23, 2:48 PM EDT	Severe Thunderstorm Warning	FFC	Laurens, Wilkinson	42 min
Jun 23, 2:52 PM EDT	Severe Thunderstorm Warning	FFC	Crisp, Wilcox	28 min
Jun 23, 2:56 PM EDT	Special Weather Statement	FFC	Jefferson	34 min
Jun 23, 3:08 PM EDT	Severe Thunderstorm Warning	FFC	Pulaski, Wilcox	34 min
Jun 23, 3:21 PM EDT	Special Weather Statement	FFC	Wilkinson	24 min
Jun 23, 3:22 PM EDT	Special Weather Statement	FFC	Baldwin	38 min
Jun 23, 3:23 PM EDT	Special Weather Statement	FFC	Jefferson	37 min
Jun 23, 3:32 PM EDT	Heat Advisory	FFC	Baldwin, Bibb, Bleckley, Chattahoochee, Clarke, Crawford and 45 more	28 hr
Jun 23, 3:34 PM EDT	Special Weather Statement	FFC	Laurens	26 min
Jun 23, 3:59 PM EDT	Special Weather Statement	FFC	Jefferson	31 min
Jun 23, 4:00 PM EDT	Special Weather Statement	FFC	Treutlen	30 min
Jun 23, 4:03 PM EDT	Special Weather Statement	FFC	Washington	27 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2015 Every 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.