Alert archive / Georgia / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 293, NWS Atlanta, GA

July 16, 2017Montgomery County, Telfair County, Wheeler County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 16, 2017, 4:18 PM EDT for Montgomery County, Telfair County, Wheeler County, Georgia. It was in force for 42 min. 1 report 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
Jul 16, 2017, 4:18 PM EDT (20:18 UTC)
Expired
Jul 16, 2017, 5:00 PM EDT
In force
42 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Montgomery County, GA, Telfair County, GA, Wheeler County, GA

The radar

The Robins AFB radar (KJGX), 103 km from the middle of the area, began a volume at 20:22 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
Jul 16, 4:40 PM EDTTSTM WND DMG1 Wsw Lumber City, GAEM REPORTS THAT A TREE FELL ON CHENEY ST IN LUMBER CITY. TIME ESTIMATED BY RADAR.

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

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 8.3 hours before the alert went out and 186 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, Jacksonville, FL at 12:00Z on 2017-07-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1850 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, Jacksonville, FL at 12:00Z on 2017-07-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 square meters per square second.1939Sfc1 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
1850 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
818 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
13 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

692 
WUUS52 KFFC 162018
SVRFFC
GAC209-271-309-162100-
/O.NEW.KFFC.SV.W.0293.170716T2018Z-170716T2100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
418 PM EDT SUN JUL 16 2017

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  Telfair County in central Georgia...
  Southern Wheeler County in central Georgia...
  Southwestern Montgomery County in central Georgia...

* Until 500 PM EDT

* At 418 PM EDT, a severe thunderstorm was located near Workmore, or
  12 miles south of McRae, moving northeast at 25 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...
  McRae, Alamo, Helena, Lumber City, Scotland, Jacksonville, Towns,
  Horse Creek Wma, Spring Hill, China Hill, Little Ocmulgee State
  Park, Jordan and Workmore.

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 3182 8311 3219 8282 3203 8252 3192 8265
      3192 8268 3190 8269 3190 8270 3186 8276
      3185 8279 3184 8278 3181 8282 3182 8284
      3178 8286 3178 8289 3179 8290 3178 8292
      3179 8298 3178 8299
TIME...MOT...LOC 2018Z 212DEG 23KT 3188 8289 

HAIL...1.00IN
WIND...60MPH
 
$$
1 follow-up statement
512 
WWUS52 KFFC 162053
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
453 PM EDT SUN JUL 16 2017

GAC209-271-309-162100-
/O.CON.KFFC.SV.W.0293.000000T0000Z-170716T2100Z/
Telfair GA-Wheeler GA-Montgomery GA-
453 PM EDT SUN JUL 16 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM EDT
FOR EASTERN TELFAIR...SOUTHERN WHEELER AND SOUTHWESTERN MONTGOMERY
COUNTIES...

At 452 PM EDT, a severe thunderstorm was located over Spring Hill, or
10 miles south of Alamo, moving northeast at 25 mph.

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

SOURCE...Radar indicated. 

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

Locations impacted include...
McRae, Alamo, Helena, Lumber City, Scotland, Towns, Spring Hill,
Little Ocmulgee State Park, Jordan and Workmore.

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 3219 8282 3203 8252 3192 8265 3192 8268
      3190 8269 3190 8270 3186 8276 3185 8279
      3184 8278 3194 8302
TIME...MOT...LOC 2052Z 222DEG 22KT 3200 8271 

HAIL...0.75IN
WIND...60MPH
 
$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 15, 8:10 PM EDTSpecial Weather StatementFFCJefferson50 min
Jul 15, 8:51 PM EDTSpecial Weather StatementFFCGlascock, Hancock, Taliaferro, Warren39 min
Jul 15, 9:25 PM EDTSpecial Weather StatementFFCHancock, Taliaferro, Warren35 min
Jul 15, 9:35 PM EDTSpecial Weather StatementFFCGlascock55 min
Jul 15, 9:58 PM EDTSpecial Weather StatementFFCHancock, Taliaferro, Warren62 min
Jul 16, 3:04 PM EDTSpecial Weather StatementFFCStewart, Sumter, Webster56 min
Jul 16, 3:21 PM EDTSpecial Weather StatementFFCCrisp39 min
Jul 16, 3:35 PM EDTSpecial Weather StatementFFCJohnson25 min
Jul 16, 3:44 PM EDTSpecial Weather StatementFFCJohnson31 min
Jul 16, 3:57 PM EDTSevere Thunderstorm WarningFFCJohnson, Washington48 min
Jul 16, 3:59 PM EDTSpecial Weather StatementFFCTelfair46 min
Jul 16, 4:10 PM EDTSpecial Weather StatementFFCBleckley, Dooly, Houston, Pulaski35 min
Jul 16, 4:31 PM EDTSpecial Weather StatementFFCEmanuel29 min
Jul 16, 4:41 PM EDTSpecial Weather StatementFFCToombs49 min
Jul 16, 4:56 PM EDTSpecial Weather StatementFFCHouston, Macon, Peach, Taylor, Twiggs34 min
Jul 16, 5:19 PM EDTSpecial Weather StatementFFCToombs41 min
Jul 16, 5:24 PM EDTSpecial Weather StatementFFCGilmer36 min
Jul 16, 6:55 PM EDTSpecial Weather StatementFFCBaldwin, Glascock, Hancock, Jones, Washington65 min
Jul 16, 7:12 PM EDTSpecial Weather StatementFFCCherokee33 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.