Alert archive / Georgia / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 157, NWS Atlanta, GA

April 5, 20177 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Apr 5, 2017, 11:06 PM EDT for 7 counties in Georgia. It was in force for 39 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
Apr 5, 2017, 11:06 PM EDT (03:06 UTC)
Expired
Apr 5, 2017, 11:45 PM EDT
In force
39 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Banks County, GA, Barrow County, GA, Clarke County, GA, Hall County, GA, Jackson County, GA, Madison County, GA, Oglethorpe County, GA

The radar

The Greer radar (KGSP), 126 km from the middle of the area, began a volume at 03:08 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
Apr 5, 11:07 PM EDTHAIL 1.5Auburn, GAPING PONG BALL SIZED HAIL REPORTED IN AUBURN GA
Apr 5, 11:08 PM EDTHAIL 11 Nw Rabbitown, GAQUARTER SIZED HAIL AND RAINFALL RATES AT 3.5 INCHES PER HOUR AT THE HALL COUNTY EOC
Apr 5, 11:10 PM EDTHAIL 11 N Braselton, GASOCIAL MEDIA REPORT OF APPROXIMATLY 1 INCH HAIL IN BRASELTON AT THE INTERSECTION OF I-85 AND HWY 53
Apr 5, 11:20 PM EDTHAIL 1.53 Sw Holders, GA1.50 INCH HAIL WAS REPORTED AS WELL AS ESTIMATED WIND GUSTS TO 50 MPH. THE HAIL WAS REPORTED TO LAST AROUND 5-6 MINUTES.
Apr 5, 11:25 PM EDTHAIL 21 Wnw Jefferson, GASOCIAL MEDIA PHOTO OF HAIL NOTICABLY BIGGER THAN A GOLF BALL IN THE PRESERVE NEIGHBORHOOD NEAR JEFFERSON MIDDLE SCHOOL
Apr 5, 11:30 PM EDTHAIL 1.751 Nne Five Points, GAA COCORAHS SPOTTER REPORTED 1.75 INCH SIZED HAIL.
Apr 5, 11:35 PM EDTHAIL 11 S Grove Level, GAPUBLIC REPORTED QUARTER-SIZED HAIL AT THE QUIKTRIP NEAR COMMERCE

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

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 3.1 hours before the alert went out and 144 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 2017-04-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 723 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 2017-04-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 354 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
723 J/kg
Mixed-layer CIN
-120 J/kg
Mixed-layer LCL
594 m above ground
0-6 km bulk shear
93 kt
0-1 km storm-relative helicity
354 m²/s²
0-3 km storm-relative helicity
356 m²/s²
Significant tornado parameter
0.9
Supercell composite
9.8

Open this sounding in Storm Lab

The text

As transmitted.

064 
WUUS52 KFFC 060306
SVRFFC
GAC011-013-059-139-157-195-221-060345-
/O.NEW.KFFC.SV.W.0157.170406T0306Z-170406T0345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
1106 PM EDT WED APR 5 2017

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  Central Barrow County in north central Georgia...
  Banks County in northeastern Georgia...
  Northern Clarke County in northeastern Georgia...
  Southeastern Hall County in north central Georgia...
  Jackson County in northeastern Georgia...
  Northern Oglethorpe County in northeastern Georgia...
  Madison County in northeastern Georgia...

* Until 1145 PM EDT

* At 1106 PM EDT, a severe thunderstorm was located over Talmo, or 8
  miles southeast of Gainesville, moving east at 70 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...
  Gainesville, Winder, Jefferson, Commerce, Homer, Danielsville,
  Braselton, Auburn, Oakwood, Lula, Maysville, Arcade, Nicholson,
  Hoschton, Comer, Colbert, Pendergrass, Ila, Carlton and Carl.

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 200 AM EDT for north central
Georgia.

LAT...LON 3447 8342 3444 8339 3432 8339 3424 8334
      3426 8330 3424 8317 3427 8311 3423 8308
      3417 8310 3415 8306 3405 8299 3398 8284
      3396 8284 3401 8386 3412 8382 3410 8386
      3436 8387 3443 8361 3449 8349
TIME...MOT...LOC 0306Z 274DEG 61KT 3420 8373 

HAIL...1.00IN
WIND...60MPH
 
$$
2 follow-up statements
522 
WWUS52 KFFC 060327
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
1127 PM EDT WED APR 5 2017

GAC011-013-059-139-157-195-221-060345-
/O.CON.KFFC.SV.W.0157.000000T0000Z-170406T0345Z/
Barrow GA-Banks GA-Clarke GA-Hall GA-Jackson GA-Oglethorpe GA-
Madison GA-
1127 PM EDT WED APR 5 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 PM EDT
FOR EAST CENTRAL BARROW...BANKS...NORTHERN CLARKE...EAST CENTRAL
HALL...JACKSON...NORTHERN OGLETHORPE AND MADISON COUNTIES...

At 1126 PM EDT, a severe thunderstorm was located over Apple Valley,
or over Commerce, moving east at 40 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...
Jefferson, Commerce, Homer, Danielsville, Lula, Maysville, Arcade,
Nicholson, Comer, Colbert, Ila, Carlton, Gillsville, Hull,
Athens-Clarke County, Westgate Park, Diamond Hill, Smithonia,
Barretts Mill and Point Peter.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Intense thunderstorm lines can produce brief tornadoes and widespread
significant wind damage. Although a tornado is not immediately
likely, it is best to move to an interior room on the lowest floor of
a building. This storm may cause serious injury and significant
property damage.

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 3447 8342 3444 8339 3432 8339 3424 8334
      3426 8330 3424 8317 3427 8311 3423 8308
      3417 8310 3415 8306 3405 8299 3398 8284
      3396 8284 3400 8359 3409 8363 3415 8366
      3437 8368 3443 8361 3449 8349
TIME...MOT...LOC 0326Z 273DEG 34KT 3419 8349 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
 
$$
248 
WWUS52 KFFC 060331
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
1131 PM EDT WED APR 5 2017

GAC011-013-059-139-157-195-221-060345-
/O.CON.KFFC.SV.W.0157.000000T0000Z-170406T0345Z/
Barrow GA-Banks GA-Clarke GA-Hall GA-Jackson GA-Oglethorpe GA-
Madison GA-
1131 PM EDT WED APR 5 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 PM EDT
FOR EAST CENTRAL BARROW...BANKS...NORTHERN CLARKE...EAST CENTRAL
HALL...JACKSON...NORTHERN OGLETHORPE AND MADISON COUNTIES...

At 1131 PM EDT, a severe thunderstorm was located over Commerce,
moving east at 40 mph.

HAZARD...Tennis 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...
Jefferson, Commerce, Homer, Danielsville, Lula, Maysville, Arcade,
Nicholson, Comer, Colbert, Ila, Carlton, Gillsville, Hull,
Athens-Clarke County, Westgate Park, Diamond Hill, Smithonia,
Barretts Mill and Point Peter.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Intense thunderstorm lines can produce brief tornadoes and widespread
significant wind damage. Although a tornado is not immediately
likely, it is best to move to an interior room on the lowest floor of
a building. This storm may cause serious injury and significant
property damage.

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 3447 8342 3444 8339 3432 8339 3424 8334
      3426 8330 3424 8317 3427 8311 3423 8308
      3417 8310 3415 8306 3405 8299 3398 8284
      3396 8284 3400 8359 3409 8363 3415 8366
      3437 8368 3443 8361 3449 8349
TIME...MOT...LOC 0331Z 273DEG 34KT 3418 8344 

TORNADO...POSSIBLE
HAIL...2.50IN
WIND...60MPH
 
$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 5, 8:11 PM EDTSpecial Weather StatementFFCFloyd, Polk34 min
Apr 5, 8:16 PM EDTSevere Thunderstorm WarningFFCFloyd, Haralson, Paulding, Polk29 min
Apr 5, 8:17 PM EDTSpecial Weather StatementFFCCoweta28 min
Apr 5, 8:41 PM EDTSevere Thunderstorm WarningFFCCatoosa, Dade, Walker, Whitfield49 min
Apr 5, 8:43 PM EDTSpecial Weather StatementFFCCherokee, Pickens32 min
Apr 5, 8:54 PM EDTSpecial Weather StatementFFCPaulding36 min
Apr 5, 9:00 PM EDTSpecial Weather StatementFFCGordon30 min
Apr 5, 9:01 PM EDTFlash Flood WarningFFCBartow, Floyd, Polk6 hr
Apr 5, 9:03 PM EDTWind AdvisoryFFCBaldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 90 more23 hr
Apr 5, 9:06 PM EDTSpecial Weather StatementFFCDeKalb, Fulton24 min
Apr 5, 9:08 PM EDTFlash Flood WarningFFCDeKalb, Fulton, Gwinnett6 hr
Apr 5, 9:26 PM EDTSpecial Weather StatementFFCPaulding34 min
Apr 5, 9:31 PM EDTSpecial Weather StatementFFCCarroll29 min
Apr 5, 9:32 PM EDTSpecial Weather StatementFFCToombs43 min
Apr 5, 9:33 PM EDTSpecial Weather StatementFFCCherokee27 min
Apr 5, 9:44 PM EDTSevere Thunderstorm WarningFFCCarroll, Coweta, Heard31 min
Apr 5, 9:50 PM EDTSpecial Weather StatementFFCWheeler25 min
Apr 5, 9:57 PM EDTSevere Thunderstorm WarningFFCCoweta, Heard, Troup48 min
Apr 5, 10:08 PM EDTSpecial Weather StatementFFCDouglas37 min
Apr 5, 10:14 PM EDTSevere Thunderstorm WarningFFCCarroll, Coweta, Douglas, Fayette, Fulton46 min
Apr 5, 10:20 PM EDTSpecial Weather StatementFFCFulton40 min
Apr 5, 10:30 PM EDTSpecial Weather StatementFFCClayton, DeKalb, Gwinnett, Henry, Rockdale45 min
Apr 5, 10:40 PM EDTSevere Thunderstorm WarningFFCHarris, Meriwether, Troup50 min
Apr 5, 10:48 PM EDTRiver Flood WarningFFCDeKalb24 hr
Apr 5, 10:52 PM EDTRiver Flood WarningFFCCobb24 hr
Apr 5, 10:53 PM EDTSevere Thunderstorm WarningFFCHarris, Marion, Meriwether, Muscogee, Talbot52 min
Apr 5, 11:00 PM EDTSpecial Weather StatementFFCBanks, Hall, Jackson45 min
Apr 5, 11:10 PM EDTSpecial Weather StatementFFCButts, Henry, Newton, Rockdale, Spalding, Walton50 min
Apr 5, 11:48 PM EDTSpecial Weather StatementFFCCrawford, Macon, Marion, Schley, Talbot, Taylor and 1 more42 min
Apr 5, 11:55 PM EDTSevere Thunderstorm WarningFFCGreene, Morgan, Newton, Oconee, Walton20 min
Apr 6, 12:03 AM EDTRiver Flood WarningFFCCobb24 hr
Apr 6, 12:10 AM EDTSpecial Weather StatementFFCClarke50 min
Apr 6, 12:23 AM EDTSpecial Weather StatementFFCBaldwin, Bibb, Jones, Twiggs52 min
Apr 6, 12:24 AM EDTRiver Flood WarningFFCMadison, Oglethorpe24 hr
Apr 6, 12:29 AM EDTSpecial Weather StatementFFCHouston, Macon, Peach46 min
Apr 6, 1:00 AM EDTSpecial Weather StatementFFCBaldwin, Glascock, Hancock, Houston, Twiggs, Warren and 2 more45 min
Apr 6, 1:58 AM EDTSpecial Weather StatementFFCJefferson, Washington47 min
Apr 6, 3:14 AM EDTSpecial Weather StatementFFCEmanuel31 min
Apr 6, 4:13 AM EDTRiver Flood WarningFFCCarroll, Coweta, Heard30 hr
Apr 6, 11:23 AM EDTRiver Flood WarningFFCCoweta, Fayette, Spalding24 hr
Apr 6, 12:21 PM EDTRiver Flood WarningFFCCobb, Paulding24 hr
Apr 6, 12:48 PM EDTRiver Flood WarningFFCCobb, Douglas41 hr
Apr 6, 12:48 PM EDTRiver Flood WarningFFCFayette, Spalding38 hr
Apr 6, 3:28 PM EDTRiver Flood WarningFFCButts, Henry, Newton24 hr
Apr 6, 5:10 PM EDTRiver Flood WarningFFCClayton, Fayette, Spalding24 hr

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.