Alert archive / Georgia / Tornado Warnings in 2017

Tornado Warning 41, NWS Jacksonville, FL

April 5, 2017Jeff Davis County, Georgia

NWS Jacksonville, FL issued this tornado warning at Apr 5, 2017, 6:03 PM EDT for Jeff Davis County, Georgia. It was in force for 27 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 5, 2017, 6:03 PM EDT (22:03 UTC)
Expired: Apr 5, 2017, 6:30 PM EDT
In force: 27 min
Issued by: NWS Jacksonville, FL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Jeff Davis County, GA

The radar

The Robins AFB radar (KJGX), 112 km from the middle of the area, began a volume at 22:06 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 5, 6:04 PM EDT	TSTM WND DMG	5 Sw Lumber City, GA	TREE REPORTED DOWN ON HWY 117 SOUTHWEST OF LUMBER CITY.

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.

Issued	Product	Office	Lasted
Apr 5, 12:54 PM EDT	Tornado Watch PDS	SPC	10 hr

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 10.1 hours before the alert went out and 177 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: 1209 J/kg
Mixed-layer CIN: -170 J/kg
Mixed-layer LCL: 925 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 68 m²/s²
0-3 km storm-relative helicity: 75 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted.

768 
WFUS52 KJAX 052203
TORJAX
GAC161-052230-
/O.NEW.KJAX.TO.W.0041.170405T2203Z-170405T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Jacksonville FL
603 PM EDT WED APR 5 2017

The National Weather Service in Jacksonville has issued a

* Tornado Warning for...
  Northern Jeff Davis County in southeastern Georgia...

* Until 630 PM EDT
    
* At 603 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Lumber City, or near Hazlehurst, moving northeast
  at 45 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 tornadic thunderstorm will remain over mainly rural areas of
  northern Jeff Davis County, including the following locations:
  Grays Landing.

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 3197 8243 3184 8243 3184 8252 3181 8252
      3177 8275 3182 8282 3184 8278 3185 8279
      3186 8276 3188 8274 3191 8268 3192 8268
      3193 8262 3196 8255 3195 8249 3195 8248
      3196 8250 3197 8248
TIME...MOT...LOC 2203Z 233DEG 38KT 3186 8270 

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

$$

ELSENHEIMER

2 follow-up statements

285 
WWUS52 KJAX 052215
SVSJAX

Severe Weather Statement
National Weather Service Jacksonville FL
615 PM EDT WED APR 5 2017

GAC161-052230-
/O.CON.KJAX.TO.W.0041.000000T0000Z-170405T2230Z/
Jeff Davis GA-
615 PM EDT WED APR 5 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM EDT FOR NORTHERN
JEFF DAVIS COUNTY...
    
At 615 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Hazlehurst, moving northeast at 35 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. 

Locations impacted include...
Hazlehurst and Grays Landing. 

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 3197 8243 3184 8243 3184 8252 3181 8252
      3178 8270 3186 8276 3188 8274 3191 8268
      3192 8268 3193 8262 3196 8255 3195 8249
      3195 8248 3196 8250 3197 8248
TIME...MOT...LOC 2215Z 240DEG 33KT 3187 8260 

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

$$

ELSENHEIMER

744 
WWUS52 KJAX 052227
SVSJAX

Severe Weather Statement
National Weather Service Jacksonville FL
627 PM EDT WED APR 5 2017

GAC161-052236-
/O.EXP.KJAX.TO.W.0041.000000T0000Z-170405T2230Z/
Jeff Davis GA-
627 PM EDT WED APR 5 2017

...THE TORNADO WARNING FOR NORTHERN JEFF DAVIS COUNTY WILL EXPIRE AT
630 PM EDT...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning will be allowed to expire.  However small 
hail, gusty winds and heavy rain are still possible with 
thunderstorms in the area.

A tornado watch remains in effect until 800 PM EDT for southeastern
Georgia.

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

LAT...LON 3197 8243 3184 8243 3184 8252 3181 8252
      3178 8270 3186 8276 3188 8274 3191 8268
      3192 8268 3193 8262 3196 8255 3195 8249
      3195 8248 3196 8250 3197 8248
TIME...MOT...LOC 2226Z 233DEG 38KT 3193 8251 

$$

ELSENHEIMER

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 5, 2:45 PM EDT	Wind Advisory	JAX	Appling, Atkinson, Bacon, Brantley, Camden, Clinch and 6 more	29 hr
Apr 5, 4:08 PM EDT	Severe Thunderstorm Warning	JAX	Coffee, Jeff Davis	37 min
Apr 5, 4:31 PM EDT	Special Weather Statement	JAX	Clinch	29 min
Apr 5, 4:44 PM EDT	Special Weather Statement	JAX	Jeff Davis	46 min
Apr 5, 5:08 PM EDT	Severe Thunderstorm Warning	JAX	Jeff Davis	16 min
Apr 5, 5:13 PM EDT	Special Weather Statement	JAX	Ware	32 min
Apr 5, 5:45 PM EDT	Special Weather Statement	JAX	Jeff Davis	45 min
Apr 5, 5:51 PM EDT	Severe Thunderstorm Warning	JAX	Jeff Davis	24 min
Apr 5, 6:21 PM EDT	Tornado Warning	JAX	Appling	24 min
Apr 5, 6:33 PM EDT	Severe Thunderstorm Warning	JAX	Atkinson, Coffee	42 min
Apr 5, 7:19 PM EDT	Special Weather Statement	JAX	Atkinson, Coffee	26 min
Apr 5, 7:41 PM EDT	Special Weather Statement	JAX	Appling, Bacon	49 min
Apr 5, 7:54 PM EDT	Special Weather Statement	JAX	Atkinson, Coffee	36 min

Nearby

Tornado Warnings in Georgia, 2017 Every tornado warning in 2017 Tornadoes 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.