Alert archive / Georgia / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 42, NWS Atlanta, GA

March 1, 20175 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Mar 1, 2017, 4:19 PM EST for 5 counties in Georgia. It was in force for 41 min. 9 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, 4:19 PM EST (21:19 UTC)
Expired: Mar 1, 2017, 5:00 PM EST
In force: 41 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Bartow County, GA, Chattooga County, GA, Floyd County, GA, Gordon County, GA, Murray County, GA

The radar

The Atlanta radar (KFFC), 124 km from the middle of the area, began a volume at 21:21 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

Time	Report	Where	Remark
Mar 1, 4:28 PM EST	TSTM WND DMG	1 E West Summerville, GA	MANAGER OF THE CRUSHED TOMATO REPORTED A TREE HAD FALLEN ON A CAR ON MONTGOMERY STREET
Mar 1, 4:29 PM EST	HAIL 1.5	1 Ssw Summerville, GA	THE MANAGER AT THE CRUSHED TOMATO REPORTED PING PONG SIZED HAIL IN THE AREA.
Mar 1, 4:30 PM EST	TSTM WND DMG	Lyerly, GA	LARGE TREE LIMBS/BRANCHES DOWN
Mar 1, 4:30 PM EST	HAIL 1	Lyerly, GA	QUARTER-SIZED HAIL REPORTED
Mar 1, 4:42 PM EST	HAIL 1.5	3 Nw Floyd Springs, GA	PUBLIC REPORTED WALNUT SIZED HAIL.
Mar 1, 5:00 PM EST	HAIL 1.5	1 Nw Blackwood, GA	QUARTER 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 EST	HAIL 1.5	1 Ssw Soapstick, GA	QUARTER 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 EST	HAIL 1.75	1 Ese Mcdaniels, GA	GOLFBALL SIZED HAIL CAUSED SIGNIFICANT VEHICLE DAMAGE ON BOLING INDUSTRIAL BLVD.
Mar 1, 5:00 PM EST	HAIL 1.75	1 Wsw Blackwood, GA	GOLFBALL SIZED HAIL WAS REPORTED AT THE SUNOCO GAS STATION ON BELWOOD RD.

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.

Issued	Product	Office	Lasted
Mar 1, 12:48 PM EST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 9.3 hours before the alert went out and 125 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

889 
WUUS52 KFFC 012119
SVRFFC
GAC015-055-115-129-213-012200-
/O.NEW.KFFC.SV.W.0042.170301T2119Z-170301T2200Z/

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

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  Southeastern Murray County in northwestern Georgia...
  Northern Floyd County in northwestern Georgia...
  Gordon County in northwestern Georgia...
  Chattooga County in northwestern Georgia...
  Northern Bartow County in northwestern Georgia...

* Until 500 PM EST

* At 419 PM EST, a severe thunderstorm was located near Chesterfield,
  or 8 miles southwest of Summerville, moving east at 60 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...
  Rome, Calhoun, Summerville, Adairsville, Trion, Resaca, Plainville,
  Shannon, Fairmount, Lyerly, Menlo, Ranger, Pinson, Subligna,
  Redbud, Folsom, Lake Marvin, Oakman, Funkhouser and James H. Floyd
  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.

&&

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

LAT...LON 3467 8465 3448 8466 3446 8465 3444 8466
      3436 8465 3435 8464 3433 8466 3432 8547
      3451 8551
TIME...MOT...LOC 2119Z 266DEG 50KT 3443 8548 

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

1 follow-up statement

071 
WWUS52 KFFC 012146
SVSFFC

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

GAC055-012156-
/O.CAN.KFFC.SV.W.0042.000000T0000Z-170301T2200Z/
Chattooga GA-
446 PM EST WED MAR 1 2017

...THE SEVERE THUNDERSTORM WARNING FOR CHATTOOGA 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
and northwestern Georgia.

LAT...LON 3443 8521 3444 8518 3452 8515 3456 8512
      3467 8465 3448 8466 3446 8465 3444 8466
      3436 8466 3441 8523
TIME...MOT...LOC 2146Z 261DEG 43KT 3448 8512 

$$

GAC015-115-129-213-012200-
/O.CON.KFFC.SV.W.0042.000000T0000Z-170301T2200Z/
Murray GA-Floyd GA-Gordon GA-Bartow GA-
446 PM EST WED MAR 1 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM EST
FOR SOUTHEASTERN MURRAY...NORTHEASTERN FLOYD...GORDON AND
NORTHEASTERN BARTOW COUNTIES...

At 446 PM EST, a severe thunderstorm was located over Everett
Springs, or 9 miles west of Calhoun, moving east at 50 mph.

HAZARD...Ping pong ball size 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, Adairsville, Resaca, Plainville, Fairmount, Ranger, Carters,
Sonoraville, Oostanaula, Redbud, Folsom, Lake Marvin, Audubon, Sugar
Valley, Oakman, Funkhouser, Everett Springs and Nickelsville.

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 3443 8521 3444 8518 3452 8515 3456 8512
      3467 8465 3448 8466 3446 8465 3444 8466
      3436 8466 3441 8523
TIME...MOT...LOC 2146Z 261DEG 43KT 3448 8512 

HAIL...1.50IN
WIND...60MPH
 
$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 1, 3:39 PM EST	Severe Thunderstorm Warning	FFC	Catoosa, Dade, Walker, Whitfield	38 min
Mar 1, 4:12 PM EST	Special Weather Statement	FFC	Murray, Whitfield	33 min
Mar 1, 4:50 PM EST	Special Weather Statement	FFC	Fannin, Union	25 min
Mar 1, 4:55 PM EST	Severe Thunderstorm Warning	FFC	Bartow, Cherokee, Gordon, Pickens	50 min
Mar 1, 4:56 PM EST	Special Weather Statement	FFC	Chattooga	34 min
Mar 1, 4:58 PM EST	Severe Thunderstorm Warning	FFC	Fannin, Gilmer, Lumpkin, Towns, Union, White	47 min
Mar 1, 5:06 PM EST	Special Weather Statement	FFC	Banks	24 min
Mar 1, 5:30 PM EST	Special Weather Statement	FFC	Polk	30 min
Mar 1, 5:36 PM EST	Special Weather Statement	FFC	Lumpkin	24 min
Mar 1, 5:47 PM EST	Severe Thunderstorm Warning	FFC	Dawson, Hall, Lumpkin, White	43 min
Mar 1, 5:53 PM EST	Special Weather Statement	FFC	Polk	37 min
Mar 1, 6:11 PM EST	Special Weather Statement	FFC	Dawson	34 min
Mar 1, 6:14 PM EST	Special Weather Statement	FFC	Banks	31 min
Mar 1, 6:20 PM EST	Severe Thunderstorm Warning	FFC	Carroll, Douglas, Haralson, Paulding	40 min
Mar 1, 6:23 PM EST	Special Weather Statement	FFC	Banks, Hall	37 min
Mar 1, 6:35 PM EST	Special Weather Statement	FFC	Cobb	25 min
Mar 1, 6:57 PM EST	Severe Thunderstorm Warning	FFC	Carroll, Coweta, Douglas, Fulton	48 min
Mar 1, 6:58 PM EST	Special Weather Statement	FFC	Cobb, Douglas, Fulton	32 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2017 Every 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.