Alert archive / Georgia / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 43, NWS Atlanta, GA

March 1, 20174 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Mar 1, 2017, 4:55 PM EST for 4 counties in Georgia. It was in force for 50 min. 4 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
Mar 1, 2017, 4:55 PM EST (21:55 UTC)
Expired
Mar 1, 2017, 5:45 PM EST
In force
50 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Hail
2.0 in
Wind
60.0 mph

Counties Bartow County, GA, Cherokee County, GA, Gordon County, GA, Pickens County, GA

The radar

The Atlanta radar (KFFC), 129 km from the middle of the area, began a volume at 21:58 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
Mar 1, 5:00 PM ESTHAIL 1.51 Nw Blackwood, GAQUARTER TO PING PONG SIZE HAIL AT THE GORDON COUNTY EMA BUILDING NEAR CALHOUN. A FEW TREES ALSO DOWN AROUND THIS AREA DUE TO STRONG WINDS. TIME ESTIMATED FROM RADAR.
Mar 1, 5:00 PM ESTHAIL 1.751 Ese Mcdaniels, GAGOLFBALL SIZED HAIL CAUSED SIGNIFICANT VEHICLE DAMAGE ON BOLING INDUSTRIAL BLVD.
Mar 1, 5:00 PM ESTHAIL 1.751 Wsw Blackwood, GAGOLFBALL SIZED HAIL WAS REPORTED AT THE SUNOCO GAS STATION ON BELWOOD RD.
Mar 1, 5:29 PM ESTHAIL 11 Ene West Brook, GAQUARTER SIZE HAIL FELL FOR ABOUT ONE MINUTE AT HUNTERS RIDGE AND REDFIELD WAY.

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Mar 1, 12:48 PM ESTTornado WatchSPC6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 9.9 hours before the alert went out and 128 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 2017-03-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 2017-03-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 173 square meters per square second.1939587897117Sfc1 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
680 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
173 m²/s²
0-3 km storm-relative helicity
306 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

246 
WUUS52 KFFC 012155
SVRFFC
GAC015-057-129-227-012245-
/O.NEW.KFFC.SV.W.0043.170301T2155Z-170301T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
455 PM EST WED MAR 1 2017

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  Northwestern Cherokee County in north central Georgia...
  Southern Gordon County in northwestern Georgia...
  Pickens County in north central Georgia...
  Northeastern Bartow County in northwestern Georgia...

* Until 545 PM EST

* At 455 PM EST, a severe thunderstorm was located near Oostanaula,
  or 2 miles southwest of Calhoun, moving east at 50 mph.

  HAZARD...Two inch hail and 60 mph wind gusts. 

  SOURCE...Radar indicated. 

  IMPACT...People and animals outdoors will be injured. Expect hail 
           damage to roofs, siding, windows, and vehicles. Expect 
           wind damage to roofs, siding, and trees. 

* Locations impacted include...
  Calhoun, Jasper, Adairsville, Nelson, Waleska, Plainville, Talking
  Rock, Fairmount, Ranger, Sonoraville, Oostanaula, Folsom, Salacoa
  Valley, Blaine, Lake Tamarack, Talmadge, Tate, Funkhouser, Hinton
  and Sequoyah 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.

&&

A tornado watch remains in effect until 700 PM EST for north central
and northwestern Georgia.

LAT...LON 3455 8450 3455 8448 3456 8449 3456 8447
      3455 8447 3455 8443 3456 8443 3455 8442
      3455 8437 3447 8432 3429 8442 3441 8507
      3450 8501 3456 8465 3455 8465 3455 8452
      3457 8450
TIME...MOT...LOC 2155Z 268DEG 45KT 3446 8497 

HAIL...2.00IN
WIND...60MPH
 
$$
3 follow-up statements
531 
WWUS52 KFFC 012211
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
511 PM EST WED MAR 1 2017

GAC015-057-012220-
/O.CAN.KFFC.SV.W.0043.000000T0000Z-170301T2245Z/
Cherokee GA-Bartow GA-
511 PM EST WED MAR 1 2017

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN CHEROKEE AND
NORTHEASTERN BARTOW COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out or 
will remain out of the area.  Therefore, the warning has been 
cancelled.

A tornado watch remains in effect until 700 PM EST for north central
and northwestern Georgia.

LAT...LON 3444 8480 3451 8479 3455 8456 3455 8452
      3456 8451 3456 8450 3455 8450 3455 8448
      3456 8449 3456 8447 3455 8447 3455 8443
      3456 8443 3455 8442 3455 8437 3447 8432
      3440 8436
TIME...MOT...LOC 2210Z 266DEG 45KT 3448 8474 

$$

GAC129-227-012245-
/O.CON.KFFC.SV.W.0043.000000T0000Z-170301T2245Z/
Gordon GA-Pickens GA-
511 PM EST WED MAR 1 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EST
FOR SOUTHEASTERN GORDON AND PICKENS COUNTIES...

At 510 PM EST, a severe thunderstorm was located over Ranger, or 12
miles east of Calhoun, moving east at 50 mph.

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. 

Locations impacted include...
Jasper, Talking Rock, Fairmount, Ranger, Blaine, Lake Tamarack,
Talmadge, Tate, Hinton and Sequoyah 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.

&&

A tornado watch remains in effect until 700 PM EST for north central
and northwestern Georgia.

LAT...LON 3444 8480 3451 8479 3455 8456 3455 8452
      3456 8451 3456 8450 3455 8450 3455 8448
      3456 8449 3456 8447 3455 8447 3455 8443
      3456 8443 3455 8442 3455 8437 3447 8432
      3440 8436
TIME...MOT...LOC 2210Z 266DEG 45KT 3448 8474 

HAIL...1.00IN
WIND...60MPH
 
$$
001 
WWUS52 KFFC 012222 RRA
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
522 PM EST WED MAR 1 2017

GAC129-012232-
/O.CAN.KFFC.SV.W.0043.000000T0000Z-170301T2245Z/
Gordon GA-
522 PM EST WED MAR 1 2017

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

A tornado watch remains in effect until 700 PM EST for north central
Georgia.

LAT...LON 3445 8463 3454 8464 3455 8456 3455 8452
      3456 8451 3456 8450 3455 8450 3455 8448
      3456 8449 3456 8447 3455 8447 3455 8443
      3456 8443 3455 8442 3455 8437 3447 8432
      3443 8434
TIME...MOT...LOC 2222Z 264DEG 48KT 3450 8454 

$$

GAC227-012245-
/O.CON.KFFC.SV.W.0043.000000T0000Z-170301T2245Z/
Pickens GA-
522 PM EST WED MAR 1 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EST
FOR CENTRAL PICKENS COUNTY...

At 522 PM EST, a severe thunderstorm was located over Blaine, or 7
miles west of Jasper, moving east at 55 mph.

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. 

Locations impacted include...
Jasper, Talking Rock, Hinton, Blaine, Lake Tamarack and Sequoyah
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.

&&

A tornado watch remains in effect until 700 PM EST for north central
Georgia.

LAT...LON 3445 8463 3454 8464 3455 8456 3455 8452
      3456 8451 3456 8450 3455 8450 3455 8448
      3456 8449 3456 8447 3455 8447 3455 8443
      3456 8443 3455 8442 3455 8437 3447 8432
      3443 8434
TIME...MOT...LOC 2222Z 264DEG 48KT 3450 8454 

HAIL...1.00IN
WIND...60MPH
 
$$
561 
WWUS52 KFFC 012237
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
537 PM EST WED MAR 1 2017

GAC227-012246-
/O.EXP.KFFC.SV.W.0043.000000T0000Z-170301T2245Z/
Pickens GA-
537 PM EST WED MAR 1 2017

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL PICKENS COUNTY WILL
EXPIRE AT 545 PM EST...
                
The storm which prompted the warning has weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore the warning will be allowed to expire.  However small hail 
and wind gusts to 40 mph are still possible with this thunderstorm.

A tornado watch remains in effect until 700 PM EST for north central
Georgia.

LAT...LON 3445 8463 3454 8464 3455 8456 3455 8452
      3456 8451 3456 8450 3455 8450 3455 8448
      3456 8449 3456 8447 3455 8447 3455 8443
      3456 8443 3455 8442 3455 8437 3447 8432
      3443 8434
TIME...MOT...LOC 2236Z 268DEG 45KT 3451 8433 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 1, 3:39 PM ESTSevere Thunderstorm WarningFFCCatoosa, Dade, Walker, Whitfield38 min
Mar 1, 4:12 PM ESTSpecial Weather StatementFFCMurray, Whitfield33 min
Mar 1, 4:19 PM ESTSevere Thunderstorm WarningFFCBartow, Chattooga, Floyd, Gordon, Murray41 min
Mar 1, 4:50 PM ESTSpecial Weather StatementFFCFannin, Union25 min
Mar 1, 4:56 PM ESTSpecial Weather StatementFFCChattooga34 min
Mar 1, 4:58 PM ESTSevere Thunderstorm WarningFFCFannin, Gilmer, Lumpkin, Towns, Union, White47 min
Mar 1, 5:06 PM ESTSpecial Weather StatementFFCBanks24 min
Mar 1, 5:30 PM ESTSpecial Weather StatementFFCPolk30 min
Mar 1, 5:36 PM ESTSpecial Weather StatementFFCLumpkin24 min
Mar 1, 5:47 PM ESTSevere Thunderstorm WarningFFCDawson, Hall, Lumpkin, White43 min
Mar 1, 5:53 PM ESTSpecial Weather StatementFFCPolk37 min
Mar 1, 6:11 PM ESTSpecial Weather StatementFFCDawson34 min
Mar 1, 6:14 PM ESTSpecial Weather StatementFFCBanks31 min
Mar 1, 6:20 PM ESTSevere Thunderstorm WarningFFCCarroll, Douglas, Haralson, Paulding40 min
Mar 1, 6:23 PM ESTSpecial Weather StatementFFCBanks, Hall37 min
Mar 1, 6:35 PM ESTSpecial Weather StatementFFCCobb25 min
Mar 1, 6:57 PM ESTSevere Thunderstorm WarningFFCCarroll, Coweta, Douglas, Fulton48 min
Mar 1, 6:58 PM ESTSpecial Weather StatementFFCCobb, Douglas, Fulton32 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.