Alert archive / Georgia / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 342, NWS Atlanta, GA

October 8, 2017Baldwin County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Oct 8, 2017, 1:50 PM EDT for Baldwin County, Georgia. It was in force for 25 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Oct 8, 2017, 1:50 PM EDT (17:50 UTC)
Expired
Oct 8, 2017, 2:15 PM EDT
In force
25 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

County Baldwin County, GA

The radar

The Robins AFB radar (KJGX), 39 km from the middle of the area, began a volume at 17:51 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.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 5.8 hours before the alert went out and 117 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 2017-10-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 333 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 2017-10-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 210 square meters per square second.193958Sfc1 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
333 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
592 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
210 m²/s²
0-3 km storm-relative helicity
242 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.2

Open this sounding in Storm Lab

The text

As transmitted.

367 
WUUS52 KFFC 081750
SVRFFC
GAC009-081815-
/O.NEW.KFFC.SV.W.0342.171008T1750Z-171008T1815Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
150 PM EDT SUN OCT 8 2017

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  Western Baldwin County in central Georgia...

* Until 215 PM EDT

* At 149 PM EDT, a severe thunderstorm was located near Coopers, or
  10 miles southwest of Milledgeville, moving north at 35 mph.

  HAZARD...60 mph wind gusts. 

  SOURCE...Radar indicated. 

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

* Locations impacted include...
  Milledgeville, Midway-Hardwick, Meriwether, Allenwood, Coopers and
  Browns Crossing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

This thunderstorm can produce a brief tornado 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 3295 8330 3293 8336 3301 8338 3316 8336
      3314 8319
TIME...MOT...LOC 1749Z 194DEG 31KT 3296 8334 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$
1 follow-up statement
435 
WWUS52 KFFC 081804
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
204 PM EDT SUN OCT 8 2017

GAC009-081815-
/O.CON.KFFC.SV.W.0342.000000T0000Z-171008T1815Z/
Baldwin GA-
204 PM EDT SUN OCT 8 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 PM EDT
FOR NORTHWESTERN BALDWIN COUNTY...

At 203 PM EDT, a severe thunderstorm was located over Allenwood, or
near Milledgeville, moving north at 35 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

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

Locations impacted include...
Milledgeville, Midway-Hardwick, Meriwether, Allenwood and Browns
Crossing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

This thunderstorm can produce a brief tornado 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 3301 8326 3303 8330 3305 8337 3316 8336
      3314 8319
TIME...MOT...LOC 1803Z 194DEG 31KT 3308 8330 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 8, 10:31 AM EDTSpecial Weather StatementFFCCobb, Fulton44 min
Oct 8, 11:05 AM EDTSpecial Weather StatementFFCCherokee, Pickens40 min
Oct 8, 11:08 AM EDTWind AdvisoryFFCBartow, Catoosa, Chattooga, Cherokee, Dade, Dawson and 13 more10 hr
Oct 8, 11:35 AM EDTSpecial Weather StatementFFCHouston, Pulaski, Wilcox40 min
Oct 8, 11:44 AM EDTSpecial Weather StatementFFCGilmer, Murray, Pickens46 min
Oct 8, 11:53 AM EDTSpecial Weather StatementFFCDawson, Forsyth, Gwinnett, Hall, Lumpkin52 min
Oct 8, 12:22 PM EDTSpecial Weather StatementFFCBibb, Bleckley, Houston, Pulaski, Twiggs, Wilcox38 min
Oct 8, 12:26 PM EDTSpecial Weather StatementFFCFannin, Hall, Lumpkin, Union49 min
Oct 8, 1:01 PM EDTSpecial Weather StatementFFCBleckley44 min
Oct 8, 1:18 PM EDTSpecial Weather StatementFFCHall, Towns, White42 min
Oct 8, 1:29 PM EDTSpecial Weather StatementFFCBleckley16 min
Oct 8, 1:34 PM EDTSpecial Weather StatementFFCWilkinson26 min
Oct 8, 1:46 PM EDTSpecial Weather StatementFFCWilkinson29 min
Oct 8, 2:15 PM EDTSpecial Weather StatementFFCWilkinson30 min
Oct 8, 2:23 PM EDTSpecial Weather StatementFFCClarke, Greene, Oconee22 min
Oct 8, 2:54 PM EDTSpecial Weather StatementFFCWashington36 min
Oct 8, 3:03 PM EDTSevere Thunderstorm WarningFFCWashington27 min
Oct 8, 3:28 PM EDTSpecial Weather StatementFFCGlascock, Johnson, Warren32 min
Oct 8, 3:59 PM EDTSpecial Weather StatementFFCGlascock, Jefferson, Warren, Wilkes31 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.