Alert archive / Georgia / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 240, NWS Atlanta, GA

June 22, 20177 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 22, 2017, 7:41 PM EDT for 7 counties in Georgia. It was in force for 49 min. 2 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 22, 2017, 7:41 PM EDT (23:41 UTC)
Expired
Jun 22, 2017, 8:30 PM EDT
In force
49 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

Counties Butts County, GA, Henry County, GA, Jasper County, GA, Morgan County, GA, Newton County, GA, Putnam County, GA, Walton County, GA

The radar

The Atlanta radar (KFFC), 81 km from the middle of the area, began a volume at 23:42 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 22, 7:47 PM EDTTSTM WND DMGHardys Crossroads, GA1 TREE DOWN ON JACKSON LAKE RD NEAR HWY 212
Jun 22, 8:12 PM EDTTSTM WND DMG2 Sse Pennington, GATREE WAS BLOWN DOWN ON LITTLE RIVER RD AND HWY 83 S

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, 11.7 hours before the alert went out and 75 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 2017-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 191 joules per kilogram.LCLLFCEL10008507005003002001001 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 2017-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 102 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
191 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
613 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
102 m²/s²
0-3 km storm-relative helicity
149 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

As transmitted.

117 
WUUS52 KFFC 222341
SVRFFC
GAC035-151-159-211-217-237-297-230030-
/O.NEW.KFFC.SV.W.0240.170622T2341Z-170623T0030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
741 PM EDT THU JUN 22 2017

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  Southwestern Morgan County in north central Georgia...
  Western Putnam County in central Georgia...
  East central Henry County in north central Georgia...
  South central Walton County in north central Georgia...
  Northeastern Butts County in central Georgia...
  Jasper County in central Georgia...
  Newton County in north central Georgia...

* Until 830 PM EDT

* At 741 PM EDT, severe thunderstorms were located along a line
  extending from Oak Hill to near McElheneys Crossroads, moving
  northeast at 45 mph.

  HAZARD...60 mph wind gusts. 

  SOURCE...Radar indicated. 

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

* Locations impacted include...
  Monroe, Covington, Eatonton, Monticello, Social Circle, Oxford,
  Porterdale, Rutledge, Newborn, Mansfield, Shady Dale, Stewart,
  Turtle Cove, Worthville, Central Georgia Experiment Stn, Eudora,
  North Alcovy, McElheneys Crossroads, Fincherville and Godfrey.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Intense thunderstorm lines can produce brief tornadoes and widespread
significant wind damage. Although a tornado is not immediately
likely, it is best to move to an interior room on the lowest floor of
a building. These storms may cause serious injury and significant
property damage.

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 3379 8370 3326 8331 3314 8376 3350 8405
TIME...MOT...LOC 2341Z 218DEG 40KT 3355 8400 3319 8374 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$
1 follow-up statement
503 
WWUS52 KFFC 230021
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
821 PM EDT THU JUN 22 2017

GAC035-151-230031-
/O.CAN.KFFC.SV.W.0240.000000T0000Z-170623T0030Z/
Henry GA-Butts GA-
821 PM EDT THU JUN 22 2017

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL HENRY AND
NORTHEASTERN BUTTS COUNTIES IS CANCELLED...

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

LAT...LON 3329 8333 3320 8362 3359 8394 3379 8370
TIME...MOT...LOC 0021Z 218DEG 40KT 3390 8368 3354 8342 

$$

GAC159-211-217-237-297-230030-
/O.CON.KFFC.SV.W.0240.000000T0000Z-170623T0030Z/
Morgan GA-Putnam GA-Walton GA-Jasper GA-Newton GA-
821 PM EDT THU JUN 22 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM EDT
FOR SOUTHWESTERN MORGAN...NORTHWESTERN PUTNAM...SOUTH CENTRAL
WALTON...NORTHEASTERN JASPER AND EASTERN NEWTON COUNTIES...

At 821 PM EDT, severe thunderstorms were located along a line
extending from Gratis to near Buckhead, moving northeast at 45 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

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

Locations impacted include...
Monroe, Covington, Eatonton, Monticello, Social Circle, Oxford,
Porterdale, Rutledge, Newborn, Mansfield, Shady Dale, Godfrey,
Starrsville, Warfield, Brick Store, Willard, Central Georgia
Experiment Stn, Herndonville, Calvin and Farrar.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Intense thunderstorm lines can produce brief tornadoes and widespread
significant wind damage. Although a tornado is not immediately
likely, it is best to move to an interior room on the lowest floor of
a building. These storms may cause serious injury and significant
property damage.

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 3329 8333 3320 8362 3359 8394 3379 8370
TIME...MOT...LOC 0021Z 218DEG 40KT 3390 8368 3354 8342 

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

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 3:40 PM EDTTornado WarningFFCCherokee, Pickens50 min
Jun 22, 3:47 PM EDTTornado WarningFFCBartow, Cherokee, Cobb43 min
Jun 22, 4:06 PM EDTTornado WarningFFCHarris, Meriwether39 min
Jun 22, 4:26 PM EDTTornado WarningFFCCherokee, Pickens29 min
Jun 22, 6:26 PM EDTSpecial Weather StatementFFCCherokee, Cobb, DeKalb, Gwinnett34 min
Jun 22, 6:28 PM EDTSpecial Weather StatementFFCLumpkin, White47 min
Jun 22, 6:30 PM EDTSpecial Weather StatementFFCClayton, Crawford, Fayette, Lamar, Pike, Spalding and 1 more45 min
Jun 22, 6:33 PM EDTSpecial Weather StatementFFCDooly, Macon, Peach42 min
Jun 22, 6:55 PM EDTSpecial Weather StatementFFCForsyth, Hall50 min
Jun 22, 7:03 PM EDTSpecial Weather StatementFFCClayton, Henry27 min
Jun 22, 7:14 PM EDTSpecial Weather StatementFFCBibb, Butts, Houston, Jasper, Jones, Monroe and 3 more46 min
Jun 22, 7:16 PM EDTSpecial Weather StatementFFCWhite29 min
Jun 22, 7:30 PM EDTSpecial Weather StatementFFCGwinnett45 min
Jun 22, 7:33 PM EDTSpecial Weather StatementFFCDeKalb, Rockdale42 min
Jun 22, 7:35 PM EDTTornado WarningFFCHall25 min
Jun 22, 7:52 PM EDTSpecial Weather StatementFFCBaldwin, Bibb, Jones, Twiggs, Wilkinson68 min
Jun 22, 7:56 PM EDTTornado WarningFFCHall38 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.