Alert archive / Georgia / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 3, NWS Atlanta, GA

January 2, 20174 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jan 2, 2017, 6:14 PM EST for 4 counties in Georgia. It was in force for 31 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
Jan 2, 2017, 6:14 PM EST (23:14 UTC)
Expired
Jan 2, 2017, 6:45 PM EST
In force
31 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

Counties Marion County, GA, Schley County, GA, Sumter County, GA, Webster County, GA

The radar

The Ft Rucker radar (KEOX), 108 km from the middle of the area, began a volume at 23:13 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
Jan 2, 6:20 PM ESTTSTM WND DMG1 Ne Weston, GA911 CALL CENTER RECEIVED REPORT OF TREES DOWN AT THE INTERSECTION OF HWY 41 AND CENTERPOINT RD... IN BETWEEN WESTON AND PRESTON
Jan 2, 6:20 PM ESTTSTM WND DMGPreston, GAEMERGENCY MANAGER REPORTS TREES DOWN ON WILSON POND RD ABOUT 3 MILES NW OF DOWNTOWN PRESTON ALONG WITH STRUCTURAL DAMAGE TO METAL BUILDINGS... AND SHINGLES BLOWN OFF OF SEVERAL HOUSES. 911 CALL CENTER ALSO RELAYED REPORTS OF A TREE IN THE ROAD ON WILSON POND A

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
Jan 2, 4:46 PM ESTTornado WatchSPC8 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.2 hours before the alert went out and 146 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 2017-01-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2017-01-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 103 square meters per square second.19395878Sfc1 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
845 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
103 m²/s²
0-3 km storm-relative helicity
222 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

067 
WUUS52 KFFC 022314
SVRFFC
GAC197-249-261-307-022345-
/O.NEW.KFFC.SV.W.0003.170102T2314Z-170102T2345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
614 PM EST MON JAN 2 2017

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  Southwestern Schley County in west central Georgia...
  Southeastern Marion County in west central Georgia...
  West central Sumter County in west central Georgia...
  Webster County in west central Georgia...

* Until 645 PM EST

* At 614 PM EST, a severe thunderstorm was located over Kimbrough, or
  near Preston, 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...
  Preston, Plains, Weston, Friendship, Church Hill, Kimbrough,
  Centerpoint, Dumas and Draneville.

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 1100 PM EST for west central
Georgia.

LAT...LON 3198 8464 3198 8465 3203 8465 3203 8464
      3212 8464 3225 8450 3221 8437 3207 8429
      3195 8461
TIME...MOT...LOC 2314Z 223DEG 20KT 3203 8462 

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

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 1, 10:21 PM ESTSpecial Weather StatementFFCMacon, Schley, Sumter39 min
Jan 1, 10:44 PM ESTSpecial Weather StatementFFCSumter46 min
Jan 1, 11:28 PM ESTSpecial Weather StatementFFCMacon32 min
Jan 1, 11:37 PM ESTSpecial Weather StatementFFCBibb23 min
Jan 2, 12:11 AM ESTSpecial Weather StatementFFCHouston, Peach34 min
Jan 2, 1:07 AM ESTSpecial Weather StatementFFCChattahoochee, Stewart23 min
Jan 2, 3:00 AM ESTSpecial Weather StatementFFCTwiggs30 min
Jan 2, 3:31 AM ESTSpecial Weather StatementFFCTwiggs29 min
Jan 2, 4:40 AM ESTFlood WatchFFCBaldwin, Bibb, Bleckley, Chattahoochee, Crawford, Crisp and 38 more26 hr
Jan 2, 1:39 PM ESTSpecial Weather StatementFFCLaurens51 min
Jan 2, 1:51 PM ESTTornado WarningFFCLaurens39 min
Jan 2, 2:29 PM ESTTornado WarningFFCLaurens29 min
Jan 2, 2:52 PM ESTSevere Thunderstorm WarningFFCJohnson23 min
Jan 2, 3:17 PM ESTSpecial Weather StatementFFCEmanuel28 min
Jan 2, 3:45 PM ESTSpecial Weather StatementFFCEmanuel30 min
Jan 2, 5:31 PM ESTSpecial Weather StatementFFCStewart, Webster29 min
Jan 2, 5:37 PM ESTTornado Warning Tornado observedFFCStewart, Webster38 min
Jan 2, 6:06 PM ESTSevere Thunderstorm WarningFFCChattahoochee, Marion, Muscogee39 min
Jan 2, 6:44 PM ESTSpecial Weather StatementFFCSchley31 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.