Alert archive / Georgia / Tornado Warnings in 2018

Tornado Warning 13, NWS Tallahassee, FL

April 15, 20184 counties in Georgia

NWS Tallahassee, FL issued this tornado warning at Apr 15, 2018, 8:55 AM EDT for 4 counties in Georgia. It was in force for 35 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: Apr 15, 2018, 8:55 AM EDT (12:55 UTC)
Expired: Apr 15, 2018, 9:30 AM EDT
In force: 35 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Baker County, GA, Decatur County, GA, Miller County, GA, Mitchell County, GA

The radar

The Tallahassee radar (KTLH), 84 km from the middle of the area, began a volume at 12:58 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

Time	Report	Where	Remark
Apr 15, 8:55 AM EDT	TORNADO	1 Sw Ausmac, GA	BRIEF EF1 TORNADO WITH TREES SNAPPED AND UPROOTED IN DIFFERENT DIRECTIONS. MAX WINDS ESTIMATED AT 90-95 MPH. PATH LENGTH 0.46 MILES AND WIDTH 31 YARDS.

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, 0.9 hours before the alert went out and 85 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 442 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 768 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: 355 m²/s²
0-3 km storm-relative helicity: 382 m²/s²
Significant tornado parameter: 1.1
Supercell composite: 5.2

Open this sounding in Storm Lab

The text

As transmitted.

383 
WFUS52 KTAE 151255
TORTAE
GAC007-087-201-205-151330-
/O.NEW.KTAE.TO.W.0013.180415T1255Z-180415T1330Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tallahassee FL
855 AM EDT SUN APR 15 2018

The National Weather Service in Tallahassee has issued a

* Tornado Warning for...
  North central Decatur County in southwestern Georgia...
  Eastern Miller County in southwestern Georgia...
  Southwestern Mitchell County in southwestern Georgia...
  Western Baker County in southwestern Georgia...

* Until 930 AM EDT.
    
* At 855 AM EDT, a severe thunderstorm capable of producing a tornado
  was located 9 miles north of West Bainbridge, or 10 miles north of
  Bainbridge, moving northeast at 40 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Newton around 930 AM EDT.

Other locations impacted by this tornadic thunderstorm include
Ausmac, Babcock, Milford, Hopeful, Hoggard Mill, Eldorendo, Decatur
Co A/P, Steinham Store, Boykin and Hawkinstown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3124 8419 3104 8450 3103 8451 3103 8453
      3096 8462 3104 8475 3104 8474 3105 8474
      3105 8473 3107 8473 3143 8453 3144 8452
TIME...MOT...LOC 1255Z 223DEG 36KT 3105 8462 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

11-NGUYEN

2 follow-up statements

238 
WWUS52 KTAE 151317
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
917 AM EDT SUN APR 15 2018

GAC087-201-151327-
/O.CAN.KTAE.TO.W.0013.000000T0000Z-180415T1330Z/
Decatur GA-Miller GA-
917 AM EDT SUN APR 15 2018

...THE TORNADO WARNING FOR NORTH CENTRAL DECATUR AND EASTERN MILLER
COUNTIES IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

LAT...LON 3129 8427 3119 8444 3124 8453 3143 8453
      3144 8452
TIME...MOT...LOC 1317Z 223DEG 36KT 3121 8444 

$$

GAC007-205-151330-
/O.CON.KTAE.TO.W.0013.000000T0000Z-180415T1330Z/
Mitchell GA-Baker GA-
917 AM EDT SUN APR 15 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 930 AM EDT FOR WEST
CENTRAL MITCHELL AND CENTRAL BAKER COUNTIES...
    
At 917 AM EDT, a severe thunderstorm capable of producing a tornado
was located 9 miles southwest of Newton, moving northeast at 40 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This dangerous storm will be near...
  Newton around 930 AM EDT.

Other locations impacted by this tornadic thunderstorm include
Hoggard Mill, Hawkinstown, Elmodel Wma and Mimsville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3129 8427 3119 8444 3124 8453 3143 8453
      3144 8452
TIME...MOT...LOC 1317Z 223DEG 36KT 3121 8444 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

11-NGUYEN

742 
WWUS52 KTAE 151329
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
929 AM EDT SUN APR 15 2018

GAC007-205-151338-
/O.EXP.KTAE.TO.W.0013.000000T0000Z-180415T1330Z/
Mitchell GA-Baker GA-
929 AM EDT SUN APR 15 2018

...THE TORNADO WARNING FOR WEST CENTRAL MITCHELL AND CENTRAL BAKER
COUNTIES WILL EXPIRE AT 930 AM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.

LAT...LON 3129 8427 3119 8444 3124 8453 3143 8453
      3144 8452
TIME...MOT...LOC 1328Z 223DEG 36KT 3128 8436 

$$

11-NGUYEN

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 15, 8:16 AM EDT	Severe Thunderstorm Warning	TAE	Decatur, Grady, Thomas	44 min
Apr 15, 8:28 AM EDT	Tornado Warning	TAE	Baker, Decatur, Miller, Seminole	32 min
Apr 15, 8:48 AM EDT	Severe Thunderstorm Warning	TAE	Brooks, Colquitt, Grady, Thomas	27 min
Apr 15, 9:11 AM EDT	Severe Thunderstorm Warning	TAE	Brooks, Colquitt, Thomas	49 min
Apr 15, 9:37 AM EDT	Severe Thunderstorm Warning	TAE	Berrien, Brooks, Colquitt, Cook, Lanier, Lowndes	38 min
Apr 15, 10:03 AM EDT	Severe Thunderstorm Warning	TAE	Ben Hill, Berrien, Irwin, Tift, Turner	42 min
Apr 15, 10:11 AM EDT	Severe Thunderstorm Warning	TAE	Berrien, Cook, Lanier, Lowndes	34 min

Nearby

Tornado Warnings in Georgia, 2018 Every tornado warning in 2018 Tornadoes 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.