Alert archive / Georgia / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 246, NWS Atlanta, GA

June 23, 20176 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 23, 2017, 6:45 PM EDT for 6 counties in Georgia. It was in force for 45 min. 5 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, 6:45 PM EDT (22:45 UTC)
Expired
Jun 23, 2017, 7:30 PM EDT
In force
45 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Bartow County, GA, Cherokee County, GA, Cobb County, GA, Haralson County, GA, Paulding County, GA, Polk County, GA

The radar

The Atlanta radar (KFFC), 84 km from the middle of the area, began a volume at 22:46 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.

What was reported inside it

TimeReportWhereRemark
Jun 23, 7:10 PM EDTTSTM WND DMGNew Hope, GAA TREE WAS REPORTED DOWN ON POWER LINES NEAR THE INTERSECTION OF OLD CARTERSVILLE ROAD AND DALLAS ACWORTH HIGHWAY. MULTIPLE REPORTS OF POWER OUTAGES IN THIS AREA.
Jun 23, 7:27 PM EDTTSTM WND GST 391 Se Kennesaw, GAAWOS STATION RYY, COBB COUNTY-MC COLLUM FIELD AIRPORT.
Jun 23, 7:30 PM EDTTSTM WND DMGWoodstock, GAA TREE WAS REPORTED DOWN AT 105 EAST MAIN STREET.
Jun 23, 7:30 PM EDTTSTM WND GST 302 Ene Acworth, GAMESONET STATION GA304, 1 ENE ACWORTH.
Jun 23, 7:36 PM EDTTSTM WND DMGNew Hope, GAA TREE WAS REPORTED DOWN ON POWER LINES NEAR THE INTERSECTION OF OLD CARTERSVILLE ROAD AND DALLAS ACWORTH HIGHWAY. MULTIPLE REPORTS OF POWER OUTAGES IN THIS AREA.

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, 10.8 hours before the alert went out and 87 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.

902 
WUUS52 KFFC 232245
SVRFFC
GAC015-057-067-143-223-233-232330-
/O.NEW.KFFC.SV.W.0246.170623T2245Z-170623T2330Z/

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

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  Paulding County in northwestern Georgia...
  Southwestern Cherokee County in north central Georgia...
  Western Cobb County in north central Georgia...
  Northeastern Haralson County in northwestern Georgia...
  Eastern Polk County in northwestern Georgia...
  Southern Bartow County in northwestern Georgia...

* Until 730 PM EDT

* At 644 PM EDT, severe thunderstorms were located along a line
  extending from near Seney to near Van Wert to Buchanan, moving east
  at 40 mph.

  HAZARD...60 mph wind gusts. 

  SOURCE...Radar indicated. 

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

* Locations impacted include...
  Marietta, Cartersville, Dallas, Cedartown, Buchanan, Kennesaw,
  Woodstock, Acworth, Powder Springs, Austell, Rockmart, Euharlee,
  Hiram, Emerson, Aragon, White, Braswell, Taylorsville, Cassville
  and Yorkville.

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.

&&

A tornado watch remains in effect until 900 PM EDT for northwestern
Georgia.

LAT...LON 3407 8525 3410 8518 3410 8516 3408 8515
      3408 8512 3410 8512 3410 8505 3416 8505
      3430 8474 3414 8450 3382 8464 3379 8493
      3381 8505 3377 8505 3376 8518 3393 8512
TIME...MOT...LOC 2244Z 250DEG 37KT 3405 8517 3396 8504 3381 8516 

HAIL...<.75IN
WIND...60MPH
 
$$
1 follow-up statement
805 
WWUS52 KFFC 232319
SVSFFC

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

GAC015-233-232327-
/O.CAN.KFFC.SV.W.0246.000000T0000Z-170623T2330Z/
Polk GA-Bartow GA-
719 PM EDT FRI JUN 23 2017

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN POLK AND SOUTHERN
BARTOW COUNTIES IS CANCELLED...

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

LAT...LON 3391 8513 3391 8505 3395 8505 3396 8498
      3408 8492 3408 8466 3424 8465 3414 8450
      3382 8464 3379 8493 3381 8505 3377 8505
      3376 8518
TIME...MOT...LOC 2317Z 259DEG 36KT 3413 8482 3404 8469 3389 8481 

$$

GAC057-067-143-223-232330-
/O.CON.KFFC.SV.W.0246.000000T0000Z-170623T2330Z/
Paulding GA-Cherokee GA-Cobb GA-Haralson GA-
719 PM EDT FRI JUN 23 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR PAULDING...SOUTHWESTERN CHEROKEE...WESTERN COBB AND NORTHEASTERN
HARALSON COUNTIES...

At 717 PM EDT, severe thunderstorms were located along a line
extending from near Cartersville to near Acworth to near Dallas,
moving east at 40 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

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

Locations impacted include...
Marietta, Dallas, Buchanan, Kennesaw, Woodstock, Acworth, Powder
Springs, Austell, Hiram, Braswell, Yorkville, Burnt Hickory Ridge,
Kellogg Creek, Lost Mountain Park, Cross Roads, Draketown, Due West,
New Hope, Hobgood Park and Eubank Lake.

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 3391 8513 3391 8505 3395 8505 3396 8498
      3408 8492 3408 8466 3424 8465 3414 8450
      3382 8464 3379 8493 3381 8505 3377 8505
      3376 8518
TIME...MOT...LOC 2317Z 259DEG 36KT 3413 8482 3404 8469 3389 8481 

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, 6:51 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
Jun 23, 7:55 PM EDTSevere Thunderstorm WarningFFCCarroll, Coweta, Douglas, Fulton, 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.