Alert archive / Georgia / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 135, NWS Atlanta, GA

June 25, 2016Sumter County, Webster County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 25, 2016, 4:15 PM EDT for Sumter County, Webster County, Georgia. It was in force for 15 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, 4:15 PM EDT (20:15 UTC)
Expired: Jun 25, 2016, 4:30 PM EDT
In force: 15 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Sumter County, GA, Webster County, GA

The radar

The Ft Rucker radar (KEOX), 112 km from the middle of the area, began a volume at 20:15 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, 8.3 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-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.

153 
WUUS52 KFFC 252015
SVRFFC
GAC261-307-252030-
/O.NEW.KFFC.SV.W.0135.160625T2015Z-160625T2030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
415 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...
  SOUTHEASTERN WEBSTER COUNTY IN WEST CENTRAL GEORGIA...

* UNTIL 430 PM EDT

* AT 414 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER PLAINS...OR
  9 MILES SOUTHEAST OF PRESTON...AND IS NEARLY STATIONARY.

  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
  PLAINS.

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 3190 8437 3192 8438 3194 8441 3197 8444
      3196 8444 3193 8445 3192 8446 3192 8452
      3202 8451 3204 8437 3188 8435
TIME...MOT...LOC 2014Z 346DEG 1KT 3200 8440 

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, 4:27 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, 4:56 PM EDT	Severe Thunderstorm Warning	FFC	Chattahoochee, Marion, Stewart	34 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.