Alert archive / Georgia / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 39, NWS Atlanta, GA

February 8, 2017Bartow County, Floyd County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Feb 8, 2017, 10:24 PM EST for Bartow County, Floyd County, Georgia. It was in force for 36 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
Feb 8, 2017, 10:24 PM EST (03:24 UTC)
Expired
Feb 8, 2017, 11:00 PM EST
In force
36 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

Counties Bartow County, GA, Floyd County, GA

The radar

The Atlanta radar (KFFC), 103 km from the middle of the area, began a volume at 03:26 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 watch it was issued in

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

IssuedProductOfficeLasted
Feb 8, 5:53 PM ESTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 3.4 hours before the alert went out and 104 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 00:00Z on 2017-02-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 294 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 00:00Z on 2017-02-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 297 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
294 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
739 m above ground
0-6 km bulk shear
75 kt
0-1 km storm-relative helicity
297 m²/s²
0-3 km storm-relative helicity
330 m²/s²
Significant tornado parameter
0.5
Supercell composite
3.6

Open this sounding in Storm Lab

The text

As transmitted.

780 
WUUS52 KFFC 090324
SVRFFC
GAC015-115-090400-
/O.NEW.KFFC.SV.W.0039.170209T0324Z-170209T0400Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
1024 PM EST WED FEB 8 2017

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  Southeastern Floyd County in northwestern Georgia...
  Bartow County in northwestern Georgia...

* Until 1100 PM EST

* At 1024 PM EST, a severe thunderstorm was located near Shannon, or
  near Rome, moving east at 45 mph.

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

  SOURCE...Radar indicated. 

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

* Locations impacted include...
  Rome, Cartersville, Adairsville, Euharlee, Emerson, White,
  Kingston, Cassville, Shannon, Red Top Mountain State Park, George
  Washington Carver St Pk, Pine Log and Lindale.

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 3433 8513 3438 8466 3436 8465 3435 8464
      3435 8465 3408 8466 3408 8469 3415 8517
TIME...MOT...LOC 0324Z 263DEG 39KT 3425 8507 

TORNADO...POSSIBLE
HAIL...0.75IN
WIND...60MPH
 
$$
3 follow-up statements
171 
WWUS52 KFFC 090334
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
1034 PM EST WED FEB 8 2017

GAC115-090343-
/O.CAN.KFFC.SV.W.0039.000000T0000Z-170209T0400Z/
Floyd GA-
1034 PM EST WED FEB 8 2017

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

A severe thunderstorm watch remains in effect until 100 AM EST for
north central and northwestern Georgia.

LAT...LON 3421 8503 3421 8502 3425 8502 3425 8501
      3426 8502 3432 8465 3408 8466 3408 8472
      3413 8505
TIME...MOT...LOC 0333Z 277DEG 40KT 3422 8494 

$$

GAC015-090400-
/O.CON.KFFC.SV.W.0039.000000T0000Z-170209T0400Z/
Bartow GA-
1034 PM EST WED FEB 8 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM EST
FOR SOUTHERN BARTOW COUNTY...

At 1033 PM EST, a severe thunderstorm was located over Kingston, or 8
miles northwest of Cartersville, moving east at 45 mph.

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

SOURCE...Radar indicated. 

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

Locations impacted include...
Cartersville, Euharlee, Emerson, White, Kingston, Cassville, George
Washington Carver St Pk and Red Top Mountain State Park.

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 3421 8503 3421 8502 3425 8502 3425 8501
      3426 8502 3432 8465 3408 8466 3408 8472
      3413 8505
TIME...MOT...LOC 0333Z 277DEG 40KT 3422 8494 

TORNADO...POSSIBLE
HAIL...0.75IN
WIND...60MPH
 
$$
150 
WWUS52 KFFC 090344
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
1044 PM EST WED FEB 8 2017

GAC015-090400-
/O.CON.KFFC.SV.W.0039.000000T0000Z-170209T0400Z/
Bartow GA-
1044 PM EST WED FEB 8 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM EST
FOR SOUTHEASTERN BARTOW COUNTY...

At 1044 PM EST, a severe thunderstorm was located over Cartersville,
moving east at 45 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

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

Locations impacted include...
Cartersville, Emerson, George Washington Carver St Pk and Red Top
Mountain State Park.

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 3411 8490 3423 8485 3423 8465 3408 8466
      3408 8472
TIME...MOT...LOC 0344Z 284DEG 41KT 3417 8478 

HAIL...<.75IN
WIND...60MPH
 
$$
687 
WWUS52 KFFC 090351
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
1051 PM EST WED FEB 8 2017

GAC015-090400-
/O.EXP.KFFC.SV.W.0039.000000T0000Z-170209T0400Z/
Bartow GA-
1051 PM EST WED FEB 8 2017

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BARTOW COUNTY
WILL EXPIRE AT 1100 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.  Gusty winds are 
still possible with this thunderstorm.

A severe thunderstorm watch remains in effect until 100 AM EST for
north central and northwestern Georgia.

LAT...LON 3411 8490 3423 8485 3423 8465 3408 8466
      3408 8472
TIME...MOT...LOC 0350Z 281DEG 41KT 3415 8473 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 8, 9:10 PM ESTSpecial Weather StatementFFCChattooga, Dade, Walker50 min
Feb 8, 10:16 PM ESTSpecial Weather StatementFFCBartow, Floyd29 min
Feb 8, 10:18 PM ESTSpecial Weather StatementFFCBartow, Floyd27 min
Feb 9, 1:10 AM ESTSpecial Weather StatementFFCHancock, Jasper, Putnam, Warren50 min
Feb 9, 1:20 AM ESTSpecial Weather StatementFFCCrawford, Peach, Taylor25 min
Feb 9, 1:42 AM ESTSpecial Weather StatementFFCBibb, Twiggs, Wilkinson48 min
Feb 9, 2:15 AM ESTSpecial Weather StatementFFCBleckley, Dodge, Emanuel, Johnson, Laurens, Pulaski and 1 more30 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.