Alert archive / Georgia / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 317, NWS Atlanta, GA

August 30, 2017Crisp County, Dooly County, Sumter County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Aug 30, 2017, 3:44 PM EDT for Crisp County, Dooly County, Sumter County, Georgia. It was in force for 46 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
Aug 30, 2017, 3:44 PM EDT (19:44 UTC)
Expired
Aug 30, 2017, 4:30 PM EDT
In force
46 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Crisp County, GA, Dooly County, GA, Sumter County, GA

The radar

The Robins AFB radar (KJGX), 96 km from the middle of the area, began a volume at 19:46 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 173 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 2017-08-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2017-08-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
898 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
93 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

613 
WUUS52 KFFC 301944
SVRFFC
GAC081-093-261-302030-
/O.NEW.KFFC.SV.W.0317.170830T1944Z-170830T2030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
344 PM EDT WED AUG 30 2017

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  Southeastern Dooly County in central Georgia...
  Southeastern Sumter County in west central Georgia...
  Crisp County in central Georgia...

* Until 430 PM EDT

* At 344 PM EDT, a severe thunderstorm was located over Fort Early,
  or 10 miles southwest of Cordele, moving northeast at 40 mph.

  HAZARD...60 mph wind gusts and pea size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Expect damage to roofs, siding, and trees. 

* Locations impacted include...
  Cordele, Vienna, Arabi, Cobb, East Crisp, Fort Early, Georgia
  Veterans Memorial St Pk, Richwood, Hatley, Tippettville, Raines,
  Tremont and Wenona.

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 3183 8384 3182 8385 3184 8386 3185 8394
      3186 8393 3191 8392 3191 8404 3194 8407
      3224 8362 3224 8361 3180 8361 3180 8380
TIME...MOT...LOC 1944Z 232DEG 34KT 3189 8393 

HAIL...0.75IN
WIND...60MPH
 
$$
2 follow-up statements
731 
WWUS52 KFFC 302004
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
404 PM EDT WED AUG 30 2017

GAC261-302013-
/O.CAN.KFFC.SV.W.0317.000000T0000Z-170830T2030Z/
Sumter GA-
404 PM EDT WED AUG 30 2017

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN SUMTER COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3183 8384 3182 8385 3184 8386 3185 8394
      3186 8393 3193 8392 3197 8393 3199 8395
      3202 8395 3224 8362 3224 8361 3181 8361
      3180 8380
TIME...MOT...LOC 2003Z 232DEG 34KT 3201 8376 

$$

GAC081-093-302030-
/O.CON.KFFC.SV.W.0317.000000T0000Z-170830T2030Z/
Dooly GA-Crisp GA-
404 PM EDT WED AUG 30 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR SOUTHEASTERN DOOLY AND CRISP COUNTIES...

At 403 PM EDT, a severe thunderstorm was located near Cordele, moving
northeast at 40 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...Expect damage to roofs, siding, and trees. 

Locations impacted include...
Cordele, Vienna, Arabi, East Crisp, Fort Early, Georgia Veterans
Memorial St Pk, Richwood, Tippettville, Raines, Tremont, Wenona and
Hatley.

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 3183 8384 3182 8385 3184 8386 3185 8394
      3186 8393 3193 8392 3197 8393 3199 8395
      3202 8395 3224 8362 3224 8361 3181 8361
      3180 8380
TIME...MOT...LOC 2003Z 232DEG 34KT 3201 8376 

HAIL...<.75IN
WIND...60MPH
 
$$
564 
WWUS52 KFFC 302019
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
419 PM EDT WED AUG 30 2017

GAC093-302029-
/O.CAN.KFFC.SV.W.0317.000000T0000Z-170830T2030Z/
Dooly GA-
419 PM EDT WED AUG 30 2017

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN DOOLY COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3195 8384 3203 8385 3203 8361 3181 8361
      3181 8371
TIME...MOT...LOC 2019Z 246DEG 29KT 3192 8362 

$$

GAC081-302030-
/O.CON.KFFC.SV.W.0317.000000T0000Z-170830T2030Z/
Crisp GA-
419 PM EDT WED AUG 30 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR EASTERN CRISP COUNTY...

At 419 PM EDT, a severe thunderstorm was located over Hatley, or 9
miles east of Cordele, moving northeast at 35 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...Expect damage to roofs, siding, and trees. 

Locations impacted include...
Cordele, Arabi, East Crisp, Tremont, Wenona and Hatley. 

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 3195 8384 3203 8385 3203 8361 3181 8361
      3181 8371
TIME...MOT...LOC 2019Z 246DEG 29KT 3192 8362 

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

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 30, 2:04 PM EDTSpecial Weather StatementFFCStewart26 min
Aug 30, 2:31 PM EDTSpecial Weather StatementFFCMarion, Stewart, Sumter, Webster44 min
Aug 30, 3:01 PM EDTSevere Thunderstorm WarningFFCMarion, Schley, Sumter, Webster44 min
Aug 30, 3:22 PM EDTSpecial Weather StatementFFCSumter23 min
Aug 30, 4:27 PM EDTTornado WarningFFCDodge, Telfair, Wilcox48 min
Aug 30, 5:14 PM EDTSevere Thunderstorm WarningFFCTelfair46 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2017Every severe thunderstorm warning in 2017

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.