Alert archive / Georgia / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 334, NWS Atlanta, GA

September 22, 2017Meriwether County, Pike County, Upson County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Sep 22, 2017, 5:43 PM EDT for Meriwether County, Pike County, Upson County, Georgia. It was in force for 47 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
Sep 22, 2017, 5:43 PM EDT (21:43 UTC)
Expired
Sep 22, 2017, 6:30 PM EDT
In force
47 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Meriwether County, GA, Pike County, GA, Upson County, GA

The radar

The Atlanta radar (KFFC), 50 km from the middle of the area, began a volume at 21:46 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, 9.7 hours before the alert went out and 50 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 2017-09-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 697 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 2017-09-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 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
697 J/kg
Mixed-layer CIN
-86 J/kg
Mixed-layer LCL
1144 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
9 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

759 
WUUS52 KFFC 222143
SVRFFC
GAC199-231-293-222230-
/O.NEW.KFFC.SV.W.0334.170922T2143Z-170922T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
543 PM EDT FRI SEP 22 2017

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  Southeastern Meriwether County in west central Georgia...
  Southern Pike County in west central Georgia...
  Northwestern Upson County in west central Georgia...

* Until 630 PM EDT

* At 543 PM EDT, a severe thunderstorm was located near Molena, or 8
  miles southwest of Zebulon, and is nearly stationary.

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

  SOURCE...Radar indicated. 

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

* Locations impacted include...
  Manchester, Woodbury, Molena, Sunset Village, Sprewell Bluff State
  Park, Crest, Raleigh, Sunnyside, Atwater, Lifsey Springs and
  Hannahs Mill.

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 3310 8447 3302 8429 3284 8446 3285 8447
      3286 8449 3288 8448 3288 8450 3285 8455
      3284 8459 3291 8469
TIME...MOT...LOC 2143Z 031DEG 4KT 3301 8444 

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

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 21, 8:11 PM EDTSpecial Weather StatementFFCCrisp, Dooly, Pulaski34 min
Sep 21, 9:12 PM EDTSpecial Weather StatementFFCDeKalb33 min
Sep 22, 2:34 PM EDTSpecial Weather StatementFFCLaurens26 min
Sep 22, 2:42 PM EDTSpecial Weather StatementFFCJohnson33 min
Sep 22, 3:08 PM EDTSpecial Weather StatementFFCJefferson37 min
Sep 22, 3:16 PM EDTSpecial Weather StatementFFCBleckley29 min
Sep 22, 3:17 PM EDTSpecial Weather StatementFFCJohnson43 min
Sep 22, 3:28 PM EDTSpecial Weather StatementFFCEmanuel47 min
Sep 22, 3:48 PM EDTSpecial Weather StatementFFCBleckley42 min
Sep 22, 4:50 PM EDTSpecial Weather StatementFFCPulaski25 min
Sep 22, 4:51 PM EDTSpecial Weather StatementFFCPulaski24 min
Sep 22, 4:55 PM EDTSpecial Weather StatementFFCEmanuel, Treutlen35 min
Sep 22, 4:59 PM EDTSpecial Weather StatementFFCJones, Monroe31 min
Sep 22, 5:29 PM EDTSpecial Weather StatementFFCLamar, Monroe31 min
Sep 22, 5:48 PM EDTSpecial Weather StatementFFCBibb27 min
Sep 22, 5:49 PM EDTSpecial Weather StatementFFCWilcox26 min
Sep 22, 6:01 PM EDTSevere Thunderstorm WarningFFCBibb, Twiggs29 min
Sep 22, 6:14 PM EDTSevere Thunderstorm WarningFFCTalbot, Upson31 min
Sep 22, 6:20 PM EDTSpecial Weather StatementFFCTelfair25 min
Sep 22, 6:28 PM EDTSevere Thunderstorm WarningFFCBibb, Crawford, Houston, Peach, Twiggs32 min
Sep 22, 6:32 PM EDTSpecial Weather StatementFFCMeriwether, Troup28 min
Sep 22, 6:39 PM EDTSpecial Weather StatementFFCTalbot36 min
Sep 22, 6:57 PM EDTSevere Thunderstorm WarningFFCCrawford, Macon, Peach, Taylor33 min
Sep 22, 7:34 PM EDTSevere Thunderstorm WarningFFCMacon, Taylor26 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.