Alert archive / Georgia / Tornado Warnings in 2018

Tornado Warning 12, NWS Tallahassee, FL

April 15, 20184 counties in Georgia; Jackson County, Florida

NWS Tallahassee, FL issued this tornado warning at Apr 15, 2018, 8:28 AM EDT for 4 counties in Georgia; Jackson County, Florida. It was in force for 32 min. 6 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: Apr 15, 2018, 8:28 AM EDT (12:28 UTC)
Expired: Apr 15, 2018, 9:00 AM EDT
In force: 32 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Jackson County, FL, Baker County, GA, Decatur County, GA, Miller County, GA, Seminole County, GA

The radar

The Tallahassee radar (KTLH), 67 km from the middle of the area, began a volume at 12:29 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, 8:40 AM EDT	TSTM WND DMG	1 Nne Bethany, GA	TREES DOWN FROM STRAIGHT LINE WINDS.
Apr 15, 8:40 AM EDT	TSTM WND DMG	Bethany, GA	TREES DOWN FROM STRAIGHT LINE WINDS.
Apr 15, 8:46 AM EDT	TSTM WND DMG	1 Ese Hanover, GA	TREES AND POWER LINES ACROSS THE COUNTY.
Apr 15, 8:46 AM EDT	TSTM WND DMG	1 Ese Hanover, GA	TREES AND POWER LINES ACROSS THE COUNTY. SOME LOCATIONS INCLUDE ORANGE AND BARBER STREETS.
Apr 15, 8:55 AM EDT	TSTM WND GST 54	Decatur Co A/P, GA	REPORTED AT KBGE.
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, 0.5 hours before the alert went out and 68 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.

177 
WFUS52 KTAE 151228
TORTAE
FLC063-GAC007-087-201-253-151300-
/O.NEW.KTAE.TO.W.0012.180415T1228Z-180415T1300Z/

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

The National Weather Service in Tallahassee has issued a

* Tornado Warning for...
  Eastern Jackson County in the Panhandle of Florida...
  Central Decatur County in southwestern Georgia...
  Southeastern Miller County in southwestern Georgia...
  Southwestern Baker County in southwestern Georgia...
  Southeastern Seminole County in southwestern Georgia...

* Until 900 AM EDT/800 AM CDT/.
    
* At 828 AM EDT/728 AM CDT/, a severe thunderstorm capable of
  producing a tornado was located near Chattahoochee, or 18 miles
  southwest 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...
  Bainbridge around 850 AM EDT.
  West Bainbridge around 855 AM EDT.

Other locations impacted by this tornadic thunderstorm include
Seminole State Park, Hanover, Ausmac, Babcock, Brinson,
Reynoldsville, Eldorendo, Decatur Co A/P, Steinham Store and Jinks.

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 3117 8460 3109 8450 3108 8451 3108 8449
      3097 8437 3097 8438 3071 8482 3071 8486
      3070 8486 3076 8494
TIME...MOT...LOC 1228Z 223DEG 36KT 3076 8483 

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

$$

11-NGUYEN

1 follow-up statement

840 
WWUS52 KTAE 151242
SVSTAE

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

FLC063-GAC253-151252-
/O.CAN.KTAE.TO.W.0012.000000T0000Z-180415T1300Z/
Jackson FL-Seminole GA-
842 AM EDT SUN APR 15 2018

...THE TORNADO WARNING FOR EASTERN JACKSON AND SOUTHEASTERN SEMINOLE
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 3117 8460 3109 8450 3108 8451 3108 8449
      3097 8437 3082 8470 3089 8476 3090 8476
TIME...MOT...LOC 1242Z 223DEG 36KT 3086 8472 

$$

GAC007-087-201-151300-
/O.CON.KTAE.TO.W.0012.000000T0000Z-180415T1300Z/
Decatur GA-Miller GA-Baker GA-
842 AM EDT SUN APR 15 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 AM EDT FOR
NORTHEASTERN DECATUR...SOUTHEASTERN MILLER AND SOUTHWESTERN BAKER
COUNTIES...
    
At 842 AM EDT, a severe thunderstorm capable of producing a tornado
was located 8 miles southwest of West Bainbridge, or 9 miles west 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...
  Bainbridge around 850 AM EDT.
  West Bainbridge around 855 AM EDT.

Other locations impacted by this tornadic thunderstorm include
Hanover, Ausmac, Cyrene, Eldorendo, Decatur Co A/P, Steinham Store
and Bellview.

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 3117 8460 3109 8450 3108 8451 3108 8449
      3097 8437 3082 8470 3089 8476 3090 8476
TIME...MOT...LOC 1242Z 223DEG 36KT 3086 8472 

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

$$

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, 8:48 AM EDT	Severe Thunderstorm Warning	TAE	Brooks, Colquitt, Grady, Thomas	27 min
Apr 15, 8:55 AM EDT	Tornado Warning	TAE	Baker, Decatur, Miller, Mitchell	35 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
Apr 15, 2:44 AM EDT	Special Marine Warning	TAE		2 hr
Apr 15, 3:28 AM EDT	Severe Thunderstorm Warning	TAE	Bay, Holmes, Walton, Washington	48 min
Apr 15, 4:38 AM EDT	Special Marine Warning	TAE		2 hr
Apr 15, 6:32 AM EDT	Special Marine Warning	TAE		88 min
Apr 15, 7:09 AM EDT	Tornado Warning	TAE	Bay, Calhoun, Gulf	36 min
Apr 15, 7:29 AM EDT	Special Marine Warning	TAE		2 hr
Apr 15, 8:34 AM EDT	Severe Thunderstorm Warning	TAE	Jefferson, Leon, Madison, Taylor, Wakulla	41 min
Apr 15, 8:37 AM EDT	Special Marine Warning	TAE		113 min
Apr 15, 10:21 AM EDT	Special Marine Warning	TAE		24 min
Apr 15, 10:55 AM EDT	Special Marine Warning	TAE		65 min
Apr 15, 10:58 AM EDT	Severe Thunderstorm Warning	TAE	Dixie, Lafayette	47 min

Nearby

Tornado Warnings in Georgia, 2018 Tornado Warnings in Florida, 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.