Alert archive / Georgia / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 2, NWS Atlanta, GA

March 1, 20184 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Mar 1, 2018, 3:23 PM EST for 4 counties in Georgia. It was in force for 37 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
Mar 1, 2018, 3:23 PM EST (20:23 UTC)
Expired
Mar 1, 2018, 4:00 PM EST
In force
37 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Bibb County, GA, Laurens County, GA, Twiggs County, GA, Wilkinson County, GA

The radar

The Robins AFB radar (KJGX), 13 km from the middle of the area, began a volume at 20:25 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
Mar 1, 3:24 PM ESTTSTM WND DMG1 S Rutland, GAMULTIPLE TREES DOWN NEAR THE INTERSECTION OF HWY-129 AND BARNES FERRY RD.

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 12:00Z, 8.4 hours before the alert went out and 142 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 2018-03-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 212 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 2018-03-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 232 square meters per square second.1939587897Sfc1 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
212 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
572 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
232 m²/s²
0-3 km storm-relative helicity
241 m²/s²
Significant tornado parameter
0.3
Supercell composite
1.7

Open this sounding in Storm Lab

The text

As transmitted.

337 
WUUS52 KFFC 012023
SVRFFC
GAC021-175-289-319-012100-
/O.NEW.KFFC.SV.W.0002.180301T2023Z-180301T2100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
323 PM EST THU MAR 1 2018

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  Northwestern Laurens County in central Georgia...
  Southern Wilkinson County in central Georgia...
  Southeastern Bibb County in central Georgia...
  Central Twiggs County in central Georgia...

* Until 400 PM EST

* At 322 PM EST, a severe thunderstorm was located near the Middle 
  Georgia Regional Airport, south of Macon, moving east at 55 mph.

  HAZARD...60 mph wind gusts. 

  SOURCE...Radar indicated. 

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

* Locations impacted include...
  Macon, Dublin, Jeffersonville, Dudley, Danville, Montrose,
  Allentown, Marion, Bullard, Rutland, Fitzpatrick, Nicklesville,
  Ripley, Huber, District Path, Myricks Mill, Skipperton, Chappells
  Mill and Middle Georgia Regional Airport.

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 3253 8297 3264 8355 3266 8356 3268 8367
      3269 8371 3278 8371 3280 8296 3276 8296
      3275 8294 3271 8296 3271 8292 3263 8289
TIME...MOT...LOC 2022Z 276DEG 49KT 3271 8362 

HAIL...<.75IN
WIND...60MPH
 
$$
2 follow-up statements
116 
WWUS52 KFFC 012040
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
340 PM EST THU MAR 1 2018

GAC021-012050-
/O.CAN.KFFC.SV.W.0002.000000T0000Z-180301T2100Z/
Bibb GA-
340 PM EST THU MAR 1 2018

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BIBB COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3253 8297 3263 8349 3279 8345 3280 8296
      3276 8296 3275 8294 3271 8296 3271 8292
      3263 8289
TIME...MOT...LOC 2040Z 276DEG 49KT 3268 8333 

$$

GAC175-289-319-012100-
/O.CON.KFFC.SV.W.0002.000000T0000Z-180301T2100Z/
Laurens GA-Wilkinson GA-Twiggs GA-
340 PM EST THU MAR 1 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EST
FOR NORTHWESTERN LAURENS...SOUTHERN WILKINSON AND CENTRAL TWIGGS
COUNTIES...

At 340 PM EST, a severe thunderstorm was located over Jeffersonville,
moving east at 55 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

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

Locations impacted include...
Dublin, Jeffersonville, Dudley, Danville, Montrose, Allentown,
Marion, Fitzpatrick, Nicklesville, Ripley, District Path, Myricks
Mill and Chappells 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 3253 8297 3263 8349 3279 8345 3280 8296
      3276 8296 3275 8294 3271 8296 3271 8292
      3263 8289
TIME...MOT...LOC 2040Z 276DEG 49KT 3268 8333 

HAIL...<.75IN
WIND...60MPH
 
$$
632 
WWUS52 KFFC 012052
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
352 PM EST THU MAR 1 2018

GAC175-289-319-012101-
/O.EXP.KFFC.SV.W.0002.000000T0000Z-180301T2100Z/
Laurens GA-Wilkinson GA-Twiggs GA-
352 PM EST THU MAR 1 2018

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN LAURENS...
SOUTHERN WILKINSON AND CENTRAL TWIGGS COUNTIES WILL EXPIRE AT 400 PM
EST...
                
The storm which prompted the warning is weakening below severe 
limits, therefore the warning will be allowed to expire. However 
gusty winds up to 45 MPH and heavy rain are still possible with this 
thunderstorm.

To report severe weather, contact your nearest law enforcement 
agency. They will relay your report to the National Weather Service 
Peachtree City.

LAT...LON 3253 8297 3263 8349 3279 8345 3280 8296
      3276 8296 3275 8294 3271 8296 3271 8292
      3263 8289
TIME...MOT...LOC 2051Z 272DEG 47KT 3269 8318 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 28, 8:51 PM ESTSpecial Weather StatementFFCWalker39 min
Feb 28, 9:26 PM ESTSpecial Weather StatementFFCChattooga49 min
Feb 28, 10:36 PM ESTRiver Flood WarningFFCWalker24 hr
Feb 28, 10:51 PM ESTSpecial Weather StatementFFCChattooga, Walker39 min
Feb 28, 11:23 PM ESTRiver Flood WarningFFCMurray, Whitfield55 hr
Feb 28, 11:30 PM ESTSpecial Weather StatementFFCChattooga30 min
Feb 28, 11:31 PM ESTRiver Flood WarningFFCWhitfield4 days
Feb 28, 11:35 PM ESTRiver Flood WarningFFCCatoosa56 hr
Feb 28, 11:54 PM ESTSpecial Weather StatementFFCGordon, Pickens51 min
Mar 1, 3:43 AM ESTWind AdvisoryFFCBaldwin, Bibb, Bleckley, Butts, Chattahoochee, Clarke and 58 more14 hr
Mar 1, 4:50 AM ESTRiver Flood WarningFFCCatoosa25 hr
Mar 1, 10:17 AM ESTSpecial Weather StatementFFCBartow, Haralson, Polk43 min
Mar 1, 10:49 AM ESTSpecial Weather StatementFFCCarroll, Cherokee, Cobb, Douglas, Forsyth, Fulton and 2 more41 min
Mar 1, 11:17 AM ESTSevere Thunderstorm WarningFFCCobb, DeKalb, Forsyth, Fulton, Gwinnett28 min
Mar 1, 11:29 AM ESTSpecial Weather StatementFFCCarroll, DeKalb, Douglas, Forsyth, Fulton, Gwinnett and 2 more46 min
Mar 1, 12:03 PM ESTSpecial Weather StatementFFCBarrow, Clayton, Coweta, DeKalb, Fayette, Gwinnett and 6 more42 min
Mar 1, 1:11 PM ESTSpecial Weather StatementFFCMorgan, Newton34 min
Mar 1, 1:37 PM ESTSpecial Weather StatementFFCButts, Jasper23 min
Mar 1, 2:14 PM ESTSpecial Weather StatementFFCTalbot, Upson31 min
Mar 1, 2:42 PM ESTSpecial Weather StatementFFCBibb, Crawford, Jones, Monroe, Upson48 min
Mar 1, 2:49 PM ESTSpecial Weather StatementFFCBaldwin, Hancock26 min
Mar 1, 3:13 PM ESTSpecial Weather StatementFFCGlascock, Jefferson47 min
Mar 1, 3:17 PM ESTSpecial Weather StatementFFCHouston, Macon, Marion, Peach43 min
Mar 1, 3:19 PM ESTSpecial Weather StatementFFCBaldwin, Bibb, Twiggs, Washington, Wilkinson41 min
Mar 1, 3:55 PM ESTSpecial Weather StatementFFCJefferson, Johnson, Washington, Wilkinson50 min
Mar 1, 4:35 PM ESTSpecial Weather StatementFFCEmanuel25 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2018Every severe thunderstorm warning in 2018

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.