Alert archive / Georgia / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 13, NWS Tallahassee, FL

March 19, 2018Grady County, Thomas County, Georgia

NWS Tallahassee, FL issued this severe thunderstorm warning at Mar 19, 2018, 2:56 PM EDT for Grady County, Thomas County, Georgia. It was in force for 49 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
Mar 19, 2018, 2:56 PM EDT (18:56 UTC)
Expired
Mar 19, 2018, 3:45 PM EDT
In force
49 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Grady County, GA, Thomas County, GA

The radar

The Tallahassee radar (KTLH), 76 km from the middle of the area, began a volume at 18:58 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 19, 3:05 PM EDTTSTM WND DMG1 Ssw Thomasville, GATREE DOWN ON WEST JACKSON STREET NEAR THE DOLLAR GENERAL STORE.
Mar 19, 3:45 PM EDTTSTM WND DMG2 S Autreyville, GATREE DOWN ON HIGHWAY 33 NORTH OF PAVO NEAR THE COLQUITT COUNTY LINE.

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

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 6.9 hours before the alert went out and 74 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, Tallahassee Rgnl, FL at 12:00Z on 2018-03-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 373 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, Tallahassee Rgnl, FL at 12:00Z on 2018-03-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 155 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
373 J/kg
Mixed-layer CIN
-61 J/kg
Mixed-layer LCL
653 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
155 m²/s²
0-3 km storm-relative helicity
122 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.6

Open this sounding in Storm Lab

The text

As transmitted.

404 
WUUS52 KTAE 191856
SVRTAE
GAC131-275-191945-
/O.NEW.KTAE.SV.W.0013.180319T1856Z-180319T1945Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
256 PM EDT MON MAR 19 2018

The National Weather Service in Tallahassee has issued a

* Severe Thunderstorm Warning for...
  East central Grady County in southwestern Georgia...
  Thomas County in south central Georgia...

* Until 345 PM EDT

* At 256 PM EDT, a severe thunderstorm was located near Thomasville,
  moving northeast at 35 mph.

  HAZARD...60 mph wind gusts. 

  SOURCE...Radar indicated. 

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

* Locations impacted include...
  Thomasville, Cairo, Ochlocknee, Pavo, Coolidge, Barwick,
  Thomasville Municipal A/P, Grady Co A/p, Dillon, Enon, Patten,
  Eason, Merrillville, Chastain, Dawesville, Pine Park, Newark,
  Pasco, Hollis and Oaklawn.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3084 8374 3068 8408 3092 8422 3104 8398
      3104 8380 3103 8379 3103 8378 3104 8378
      3104 8374
TIME...MOT...LOC 1856Z 236DEG 29KT 3080 8407 

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

30-PULLIN
3 follow-up statements
312 
WWUS52 KTAE 191909
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
309 PM EDT MON MAR 19 2018

GAC131-191919-
/O.CAN.KTAE.SV.W.0013.000000T0000Z-180319T1945Z/
Grady GA-
309 PM EDT MON MAR 19 2018

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL GRADY 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 3068 8408 3069 8409 3085 8408 3087 8407
      3088 8408 3092 8408 3097 8412 3104 8398
      3104 8380 3103 8379 3103 8378 3104 8378
      3104 8374 3084 8374
TIME...MOT...LOC 1909Z 236DEG 29KT 3086 8397 

$$

GAC275-191945-
/O.CON.KTAE.SV.W.0013.000000T0000Z-180319T1945Z/
Thomas GA-
309 PM EDT MON MAR 19 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR THOMAS COUNTY...

At 309 PM EDT, a severe thunderstorm was located over Thomasville,
moving northeast at 35 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

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

Locations impacted include...
Thomasville, Ochlocknee, Pavo, Coolidge, Barwick, Thomasville
Municipal A/P, Dillon, Enon, Patten, Eason, Merrillville, Chastain,
Dawesville, Newark, Pasco, Hollis and Oaklawn.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3068 8408 3069 8409 3085 8408 3087 8407
      3088 8408 3092 8408 3097 8412 3104 8398
      3104 8380 3103 8379 3103 8378 3104 8378
      3104 8374 3084 8374
TIME...MOT...LOC 1909Z 236DEG 29KT 3086 8397 

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

30-PULLIN
262 
WWUS52 KTAE 191918
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
318 PM EDT MON MAR 19 2018

GAC275-191945-
/O.CON.KTAE.SV.W.0013.000000T0000Z-180319T1945Z/
Thomas GA-
318 PM EDT MON MAR 19 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR CENTRAL THOMAS COUNTY...

At 318 PM EDT, a severe thunderstorm was located near Thomasville,
moving northeast at 35 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

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

Locations impacted include...
Thomasville, Ochlocknee, Pavo, Coolidge, Barwick, Thomasville
Municipal A/P, Dillon, Enon, Patten, Eason, Merrillville, Chastain,
Dawesville, Newark, Pasco, Hollis and Oaklawn.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3075 8393 3086 8398 3099 8408 3104 8398
      3104 8380 3103 8379 3103 8378 3104 8378
      3104 8374 3084 8374
TIME...MOT...LOC 1918Z 236DEG 29KT 3090 8390 

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

30-PULLIN
785 
WWUS52 KTAE 191934
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
334 PM EDT MON MAR 19 2018

GAC275-191945-
/O.CON.KTAE.SV.W.0013.000000T0000Z-180319T1945Z/
Thomas GA-
334 PM EDT MON MAR 19 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR NORTHERN THOMAS COUNTY...

At 334 PM EDT, a severe thunderstorm was located over Pavo, or 13
miles south of Moultrie, moving northeast at 35 mph.

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

SOURCE...Radar indicated. 

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

Locations impacted include...
Pavo, Coolidge, Barwick, Enon, Patten, Merrillville, Chastain, Hollis
and Oaklawn.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3100 8406 3104 8398 3104 8380 3103 8379
      3103 8378 3104 8378 3104 8374 3084 8374
TIME...MOT...LOC 1934Z 236DEG 29KT 3098 8377 

HAIL...0.88IN
WIND...60MPH
 
$$

30-PULLIN

The office that day

Everything else NWS Tallahassee, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 19, 3:41 AM EDTSevere Thunderstorm WarningTAEDecatur, Seminole49 min
Mar 19, 2:53 PM EDTSpecial Weather StatementTAEThomas52 min
Mar 19, 3:13 PM EDTSpecial Weather StatementTAEBaker47 min
Mar 19, 3:33 PM EDTSevere Thunderstorm WarningTAEBrooks, Colquitt, Cook, Thomas42 min
Mar 19, 3:45 PM EDTSpecial Weather StatementTAELowndes30 min
Mar 19, 4:12 PM EDTSpecial Weather StatementTAECook33 min
Mar 19, 4:14 PM EDTSpecial Weather StatementTAECalhoun46 min
Mar 19, 4:21 PM EDTSevere Thunderstorm WarningTAECalhoun, Dougherty, Lee, Terrell43 min
Mar 19, 4:36 PM EDTSevere Thunderstorm WarningTAELee, Terrell47 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.