Alert archive / Georgia / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 248, NWS Atlanta, GA

June 23, 20175 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 23, 2017, 7:55 PM EDT for 5 counties in Georgia. It was in force for 50 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 23, 2017, 7:55 PM EDT (23:55 UTC)
Expired
Jun 23, 2017, 8:45 PM EDT
In force
50 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Carroll County, GA, Coweta County, GA, Douglas County, GA, Fulton County, GA, Heard County, GA

The radar

The Atlanta radar (KFFC), 37 km from the middle of the area, began a volume at 23:55 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.

What was reported inside it

TimeReportWhereRemark
Jun 23, 8:06 PM EDTTSTM WND DMG1 Se Texas, GAA TREE WAS REPORTED DOWN NEAR THE INTERSECTION OF LIPHAM ROAD AND STRAYLOTT ROAD.
Jun 23, 8:10 PM EDTTSTM WND DMGWhispering Pines, GAA TREE WAS REPORTED DOWN NEAR THE INTERSECTION OF FRANKLIN PARKWAY AND OLD FIELD ROAD.
Jun 23, 8:36 PM EDTTSTM WND DMGNewnan, GAA TREE WAS REPORTED DOWN NEAR THE INTERSECTION OF HIGHWAY 29 SOUTH AND REESE STREET.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.9 hours before the alert went out and 43 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 2017-06-23Temperature 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 2017-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 150 square meters per square second.193958Sfc1 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
1201 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
150 m²/s²
0-3 km storm-relative helicity
151 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

253 
WUUS52 KFFC 232355
SVRFFC
GAC045-077-097-121-149-240045-
/O.NEW.KFFC.SV.W.0248.170623T2355Z-170624T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
755 PM EDT FRI JUN 23 2017

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  Southeastern Carroll County in northwestern Georgia...
  Southwestern Douglas County in north central Georgia...
  Heard County in west central Georgia...
  Western Coweta County in west central Georgia...
  Southwestern Fulton County in north central Georgia...

* Until 845 PM EDT

* At 755 PM EDT, severe thunderstorms were located along a line
  extending from near Woodland to near Big Springs to near Roanoke,
  moving northeast at 50 mph.

  HAZARD...60 mph wind gusts. 

  SOURCE...Radar indicated. 

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

* Locations impacted include...
  Newnan, Carrollton, Franklin, Palmetto, Whitesburg, Ephesus,
  Centralhatchee, Moreland, Roopville, East Newnan, Chattahoochee
  Hill Country, Plant Yates, Seaton Lake, Fairplay, Dunaway Gardens,
  Clem, Blackjack Mountain, Madras, Byers Crossroads and Hannah.

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 3365 8486 3353 8469 3329 8476 3318 8524
      3343 8529
TIME...MOT...LOC 2355Z 244DEG 42KT 3337 8536 3330 8527 3319 8533 

HAIL...<.75IN
WIND...60MPH
 
$$
1 follow-up statement
474 
WWUS52 KFFC 240034
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
834 PM EDT FRI JUN 23 2017

GAC149-240043-
/O.CAN.KFFC.SV.W.0248.000000T0000Z-170624T0045Z/
Heard GA-
834 PM EDT FRI JUN 23 2017

...THE SEVERE THUNDERSTORM WARNING FOR HEARD COUNTY IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

LAT...LON 3326 8491 3338 8489 3352 8500 3363 8483
      3353 8469 3329 8476
TIME...MOT...LOC 0033Z 245DEG 30KT 3349 8489 3342 8483 3331 8486 

$$

GAC045-077-097-121-240045-
/O.CON.KFFC.SV.W.0248.000000T0000Z-170624T0045Z/
Carroll GA-Douglas GA-Coweta GA-Fulton GA-
834 PM EDT FRI JUN 23 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM EDT
FOR SOUTHEASTERN CARROLL...SOUTHWESTERN DOUGLAS...CENTRAL COWETA AND
SOUTHWESTERN FULTON COUNTIES...

At 833 PM EDT, severe thunderstorms were located along a line
extending from Whitesburg to Arnco-Sargent to near East Newnan,
moving northeast at 35 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

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

Locations impacted include...
Newnan, Palmetto, Whitesburg, Moreland, East Newnan, Chattahoochee
Hill Country, Plant Yates, Byers Crossroads, Hannah, Arnco-Sargent,
Seaton Lake, Dunaway Gardens, Roscoe and Madras.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

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 3326 8491 3338 8489 3352 8500 3363 8483
      3353 8469 3329 8476
TIME...MOT...LOC 0033Z 245DEG 30KT 3349 8489 3342 8483 3331 8486 

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

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 8:06 PM EDTSpecial Weather StatementFFCForsyth, Gwinnett, Walton39 min
Jun 22, 8:13 PM EDTSevere Thunderstorm WarningFFCGreene, Morgan, Newton, Oconee, Putnam, Walton47 min
Jun 22, 8:47 PM EDTSevere Thunderstorm WarningFFCClarke, Greene, Jackson, Madison, Oconee, Oglethorpe and 1 more43 min
Jun 22, 9:17 PM EDTSpecial Weather StatementFFCHancock28 min
Jun 22, 9:29 PM EDTSpecial Weather StatementFFCClarke, Madison, Oglethorpe31 min
Jun 22, 9:44 PM EDTSpecial Weather StatementFFCGreene, Taliaferro, Wilkes31 min
Jun 22, 9:45 PM EDTSpecial Weather StatementFFCGreene, Taliaferro, Wilkes30 min
Jun 23, 3:59 AM EDTFlash Flood WatchFFCBanks, Barrow, Bartow, Carroll, Catoosa, Chattooga and 38 more35 hr
Jun 23, 4:36 PM EDTSpecial Weather StatementFFCChattooga, Dade, Walker39 min
Jun 23, 5:13 PM EDTSpecial Weather StatementFFCChattooga, Floyd, Gordon, Polk, Walker, Whitfield47 min
Jun 23, 5:27 PM EDTSevere Thunderstorm WarningFFCBartow, Chattooga, Floyd, Gordon, Polk48 min
Jun 23, 6:08 PM EDTSevere Thunderstorm WarningFFCHaralson, Polk52 min
Jun 23, 6:11 PM EDTSevere Thunderstorm WarningFFCBartow, Cherokee, Gilmer, Gordon, Murray, Pickens34 min
Jun 23, 6:45 PM EDTSevere Thunderstorm WarningFFCBartow, Cherokee, Cobb, Haralson, Paulding, Polk45 min
Jun 23, 6:51 PM EDTSpecial Weather StatementFFCDawson, Pickens39 min
Jun 23, 7:00 PM EDTSpecial Weather StatementFFCCarroll, Haralson45 min
Jun 23, 7:26 PM EDTSevere Thunderstorm WarningFFCCherokee, Cobb, Forsyth, Fulton49 min
Jun 23, 7:39 PM EDTSpecial Weather StatementFFCLumpkin, White51 min
Jun 23, 7:40 PM EDTSpecial Weather StatementFFCCarroll, Heard50 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.