Alert archive / Georgia / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 44, NWS Atlanta, GA

March 1, 20176 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Mar 1, 2017, 4:58 PM EST for 6 counties in Georgia. It was in force for 47 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
Mar 1, 2017, 4:58 PM EST (21:58 UTC)
Expired
Mar 1, 2017, 5:45 PM EST
In force
47 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Fannin County, GA, Gilmer County, GA, Lumpkin County, GA, Towns County, GA, Union County, GA, White County, GA

The radar

The Greer radar (KGSP), 137 km from the middle of the area, began a volume at 22:01 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, 5:24 PM ESTTSTM WND DMG1 Ene Owltown, GASEVERAL TREES WERE BLOWN DOWN ON OWLTOWN ROAD.
Mar 1, 5:24 PM ESTTSTM WND DMG2 Nw Fain, GASEVERAL TREES WERE BLOWN DOWN ON TOWN CREEK SCHOOL 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, 12:48 PM ESTTornado WatchSPC6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 10.0 hours before the alert went out and 180 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.

532 
WUUS52 KFFC 012158
SVRFFC
GAC111-123-187-281-291-311-012245-
/O.NEW.KFFC.SV.W.0044.170301T2158Z-170301T2245Z/

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

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  Towns County in northeastern Georgia...
  Northeastern Lumpkin County in north central Georgia...
  Northeastern Gilmer County in north central Georgia...
  Northern White County in northeastern Georgia...
  Union County in north central Georgia...
  East central Fannin County in north central Georgia...

* Until 545 PM EST

* At 457 PM EST, a severe thunderstorm was located near Cherry Log,
  or near Blue Ridge, moving east at 45 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...
  Blue Ridge, Hiawassee, Blairsville, Young Harris, Helen, Morganton,
  Unicoi State Park, Robertstown, Blue Mountain Shelter, Jones Creek,
  Titus, Woods Hole Shelter, Low Gap Shelter, Pisgah, Vogel State
  Park, Anna Ruby Falls, Cherry Log, Plum Orchard Gap Shelter,
  Gaddistown and Hemp.

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 northeastern Georgia.

LAT...LON 3495 8355 3494 8360 3492 8359 3491 8363
      3490 8363 3488 8366 3483 8366 3482 8365
      3480 8368 3476 8363 3473 8362 3470 8364
      3470 8441 3488 8443 3497 8355
TIME...MOT...LOC 2157Z 266DEG 41KT 3480 8433 

HAIL...1.00IN
WIND...60MPH
 
$$
2 follow-up statements
336 
WWUS52 KFFC 012212
SVSFFC

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

GAC123-012221-
/O.CAN.KFFC.SV.W.0044.000000T0000Z-170301T2245Z/
Gilmer GA-
512 PM EST WED MAR 1 2017

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN GILMER 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 northeastern Georgia.

LAT...LON 3495 8355 3494 8360 3492 8359 3491 8363
      3490 8363 3488 8366 3483 8366 3482 8365
      3480 8368 3476 8363 3473 8362 3470 8364
      3470 8422 3490 8419 3497 8355
TIME...MOT...LOC 2211Z 266DEG 41KT 3481 8412 

$$

GAC111-187-281-291-311-012245-
/O.CON.KFFC.SV.W.0044.000000T0000Z-170301T2245Z/
Towns GA-Lumpkin GA-White GA-Union GA-Fannin GA-
512 PM EST WED MAR 1 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EST
FOR TOWNS...NORTHEASTERN LUMPKIN...NORTHERN WHITE...UNION AND EAST
CENTRAL FANNIN COUNTIES...

At 511 PM EST, a severe thunderstorm was located over Jones Creek, or
10 miles southwest of Blairsville, moving east at 45 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...
Hiawassee, Blairsville, Young Harris, Helen, Unicoi State Park,
Robertstown, Blue Mountain Shelter, Jones Creek, Titus, Woods Hole
Shelter, Low Gap Shelter, Vogel State Park, Anna Ruby Falls, Plum
Orchard Gap Shelter, Gaddistown, Hemp, Margret, Whitley Gap Shelter,
Brasstown Bald and Hurst.

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 northeastern Georgia.

LAT...LON 3495 8355 3494 8360 3492 8359 3491 8363
      3490 8363 3488 8366 3483 8366 3482 8365
      3480 8368 3476 8363 3473 8362 3470 8364
      3470 8422 3490 8419 3497 8355
TIME...MOT...LOC 2211Z 266DEG 41KT 3481 8412 

HAIL...1.00IN
WIND...60MPH
 
$$
162 
WWUS52 KFFC 012222
SVSFFC

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

GAC111-012231-
/O.CAN.KFFC.SV.W.0044.000000T0000Z-170301T2245Z/
Fannin GA-
522 PM EST WED MAR 1 2017

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL FANNIN 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 northeastern Georgia.

LAT...LON 3495 8355 3494 8360 3492 8359 3491 8363
      3488 8366 3483 8366 3482 8365 3480 8368
      3476 8363 3474 8362 3470 8364 3470 8410
      3471 8407 3479 8407 3491 8405 3497 8355
TIME...MOT...LOC 2221Z 265DEG 41KT 3482 8396 

$$

GAC187-281-291-311-012245-
/O.CON.KFFC.SV.W.0044.000000T0000Z-170301T2245Z/
Towns GA-Lumpkin GA-White GA-Union GA-
522 PM EST WED MAR 1 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EST
FOR TOWNS...NORTHEASTERN LUMPKIN...NORTHERN WHITE AND CENTRAL UNION
COUNTIES...

At 521 PM EST, a severe thunderstorm was located over Owltown, or
near Blairsville, 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...
Hiawassee, Blairsville, Young Harris, Helen, Unicoi State Park,
Whitley Gap Shelter, Robertstown, Blue Mountain Shelter, Brasstown
Bald, Titus, Mountain Scene, Woods Hole Shelter, Low Gap Shelter,
Owltown, Vogel State Park, Track Rock, Anna Ruby Falls, Macedonia,
Plum Orchard Gap Shelter and Blood Mountain Shelter.

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 northeastern Georgia.

LAT...LON 3495 8355 3494 8360 3492 8359 3491 8363
      3488 8366 3483 8366 3482 8365 3480 8368
      3476 8363 3474 8362 3470 8364 3470 8410
      3471 8407 3479 8407 3491 8405 3497 8355
TIME...MOT...LOC 2221Z 265DEG 41KT 3482 8396 

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, 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.