Alert archive / Georgia / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 46, NWS Atlanta, GA

March 1, 20174 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Mar 1, 2017, 6:20 PM EST for 4 counties in Georgia. It was in force for 40 min. 7 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, 6:20 PM EST (23:20 UTC)
Expired
Mar 1, 2017, 7:00 PM EST
In force
40 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Carroll County, GA, Douglas County, GA, Haralson County, GA, Paulding County, GA

The radar

The Atlanta radar (KFFC), 74 km from the middle of the area, began a volume at 23:23 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, 6:25 PM ESTTSTM WND DMGBuchanan, GAA TREE WAS BLOWN DOWN AT BUSINESS 27 AND WEST HEAD AVENUE.
Mar 1, 6:28 PM ESTTSTM WND DMG1 Ene Hooper, GATREE REPORTED DOWN ON J. DAVIS ROAD OFF HIGHWAY 78
Mar 1, 6:28 PM ESTTSTM WND DMG2 N Miller Academy, GATREES AND POWERLINES DOWN
Mar 1, 6:28 PM ESTTSTM WND DMG2 Wnw West Bremen, GAA TREE WAS BLOWN DOWN AT OLD RIDGEWAY RD AND OLD BUSH MILL ROAD.
Mar 1, 6:33 PM ESTTSTM WND DMG3 S Piney Woods, GAPARTS OF A METAL ROOF WERE REMOVED AND BLOWN INTO NEARBY TREES.
Mar 1, 6:35 PM ESTTSTM WND DMG2 Ne Buchanan, GAA TREE WAS REPORTED DOWN AT THE INTERSECTION OF 5 POINTS ROAD AND ALLRED ROAD.
Mar 1, 6:44 PM ESTTSTM WND DMGOak Creek, GATREES WERE BLOWN DOWN ONTO POWER LINES IN VICINITY OF SMITH FERGUSON ROAD AT DALLAS NEBO ROAD.

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, 4:43 PM ESTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.3 hours before the alert went out and 78 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.

350 
WUUS52 KFFC 012320
SVRFFC
GAC045-097-143-223-020000-
/O.NEW.KFFC.SV.W.0046.170301T2320Z-170302T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
620 PM EST WED MAR 1 2017

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  Southern Paulding County in northwestern Georgia...
  Northern Carroll County in northwestern Georgia...
  Haralson County in northwestern Georgia...
  Northwestern Douglas County in north central Georgia...

* Until 700 PM EST

* At 617 PM EST, severe thunderstorms were located extending from 7 
  miles west of Buchanan  to Edwardsville Alabama, 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...
  Douglasville, Carrollton, Dallas, Buchanan, Villa Rica, Bremen,
  Temple, Hiram, Tallapoosa, Mount Zion, Waco, Yorkville, Eubank
  Lake, Bowdon Junction, Brownsville, Abilene, Draketown, Winston,
  Lake Val-Do-Mar and Felton.

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 northwestern
Georgia.

LAT...LON 3390 8529 3390 8522 3391 8521 3391 8505
      3392 8505 3395 8475 3377 8472 3358 8496
      3364 8534 3389 8539
TIME...MOT...LOC 2317Z 264DEG 48KT 3387 8537 3380 8539 3372 8550 

HAIL...1.00IN
WIND...60MPH
 
$$
1 follow-up statement
179 
WWUS52 KFFC 012350
SVSFFC

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

GAC143-020000-
/O.CAN.KFFC.SV.W.0046.000000T0000Z-170302T0000Z/
Haralson GA-
650 PM EST WED MAR 1 2017

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

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

A severe thunderstorm watch remains in effect until 1000 PM EST for
north central and northwestern Georgia.

LAT...LON 3362 8520 3374 8501 3394 8484 3394 8475
      3377 8472 3358 8496
TIME...MOT...LOC 2350Z 276DEG 48KT 3388 8478 3373 8491 3360 8512 

$$

GAC045-097-223-020000-
/O.CON.KFFC.SV.W.0046.000000T0000Z-170302T0000Z/
Paulding GA-Carroll GA-Douglas GA-
650 PM EST WED MAR 1 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM EST
FOR SOUTHEASTERN PAULDING...CENTRAL CARROLL AND NORTHWESTERN DOUGLAS
COUNTIES...

At 650 PM EST, severe thunderstorms were located extending from Hiram
to Villa Rica to near John Tanner State Park, 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...
Douglasville, Carrollton, Dallas, Villa Rica, Temple, Hiram, Mount
Zion, Brownsville, Abilene, Winston, Lake Val-Do-Mar, Treasure Lake
and New Georgia.

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 3362 8520 3374 8501 3394 8484 3394 8475
      3377 8472 3358 8496
TIME...MOT...LOC 2350Z 276DEG 48KT 3388 8478 3373 8491 3360 8512 

HAIL...1.00IN
WIND...60MPH
 
$$

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, 4:55 PM ESTSevere Thunderstorm WarningFFCBartow, Cherokee, Gordon, Pickens50 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, 6:23 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.