Alert archive / Georgia / Tornado Warnings in 2014

Tornado Warning 5, NWS Jacksonville, FL

April 7, 2014Coffee County, Georgia

NWS Jacksonville, FL issued this tornado warning at Apr 7, 2014, 2:11 PM EDT for Coffee County, Georgia. It was in force for 49 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 7, 2014, 2:11 PM EDT (18:11 UTC)
Expired
Apr 7, 2014, 3:00 PM EDT
In force
49 min
Issued by
NWS Jacksonville, FL
Area
Storm-based polygon

County Coffee County, GA

The radar

The Moody AFB radar (KVAX), 68 km from the middle of the area, began a volume at 18:11 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
Apr 7, 2:35 PM EDTTSTM WND DMGAmbrose, GAA COUPLE OF TREES WERE REPORTED DOWN NEAR AMBROSE. TIME ESTIMATED FROM RADAR.

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.

IssuedProductOfficeLasted
Apr 7, 2:02 PM EDTTornado WatchSPC7 hr

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 6.2 hours before the alert went out and 158 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, Jacksonville, FL at 12:00Z on 2014-04-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 7 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, Jacksonville, FL at 12:00Z on 2014-04-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 153 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
7 J/kg
Mixed-layer CIN
-328 J/kg
Mixed-layer LCL
942 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
153 m²/s²
0-3 km storm-relative helicity
186 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

718 
WFUS52 KJAX 071811
TORJAX
GAC069-071900-
/O.NEW.KJAX.TO.W.0005.140407T1811Z-140407T1900Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSONVILLE FL
211 PM EDT MON APR 7 2014

THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  COFFEE COUNTY IN SOUTHEAST GEORGIA

* UNTIL 300 PM EDT

* AT 211 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
  TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 11
  MILES WEST OF AMBROSE...MOVING EAST AT 40 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  AMBROSE...BROXTON...DOUGLAS...WEST GREEN AND NICHOLLS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR
HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER
YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY
OR YOUR COUNTY EMERGENCY MANAGEMENT.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT MONDAY EVENING FOR
NORTHERN FLORIDA AND SOUTHEAST GEORGIA.

&&

LAT...LON 3149 8311 3157 8306 3161 8306 3168 8300
      3167 8263 3156 8263 3155 8260 3147 8260
      3147 8263 3136 8264 3136 8282 3141 8285
      3140 8293 3142 8296 3142 8314 3147 8316
TIME...MOT...LOC 1811Z 274DEG 35KT 3153 8313

$$

HESS
2 follow-up statements
771 
WWUS52 KJAX 071836
SVSJAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
236 PM EDT MON APR 7 2014

GAC069-071900-
/O.CON.KJAX.TO.W.0005.000000T0000Z-140407T1900Z/
COFFEE GA-
236 PM EDT MON APR 7 2014

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM EDT FOR COFFEE
COUNTY...

AT 237 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
TRACK A TORNADO.  THIS TORNADO WAS LOCATED NEAR DOUGLAS...MOVING EAST
AT 40 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WEST
GREEN AND NICHOLLS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR
HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER
YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY
OR YOUR COUNTY EMERGENCY MANAGEMENT.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT MONDAY EVENING FOR
NORTHERN FLORIDA AND SOUTHEAST GEORGIA.

&&

LAT...LON 3152 8295 3165 8291 3168 8288 3167 8263
      3157 8263 3155 8260 3147 8260 3147 8263
      3136 8264 3136 8282 3141 8285 3140 8293
      3142 8296 3142 8304
TIME...MOT...LOC 1837Z 274DEG 35KT 3151 8283

$$

HESS
657 
WWUS52 KJAX 071852
SVSJAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
252 PM EDT MON APR 7 2014

GAC069-071902-
/O.EXP.KJAX.TO.W.0005.000000T0000Z-140407T1900Z/
COFFEE GA-
252 PM EDT MON APR 7 2014

...THE TORNADO WARNING FOR COFFEE COUNTY WILL EXPIRE AT 300 PM EDT...

ALTHOUGH THE WARNING IS NO LONGER IN EFFECT GUSTY WINDS OF 45 TO 
55 MPH CAN BE EXPECTED ALONG WITH POSSIBLE MINOR DAMAGE.

REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY
OR YOUR COUNTY EMERGENCY MANAGEMENT.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT MONDAY EVENING FOR
NORTHERN FLORIDA AND SOUTHEAST GEORGIA.

LAT...LON 3152 8295 3165 8291 3168 8288 3167 8263
      3157 8263 3155 8260 3147 8260 3147 8263
      3136 8264 3136 8282 3141 8285 3140 8293
      3142 8296 3142 8304
TIME...MOT...LOC 1852Z 274DEG 35KT 3150 8266

$$

HESS

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 7, 2:04 PM EDTSevere Thunderstorm WarningJAXAtkinson, Coffee, Jeff Davis56 min
Apr 7, 2:50 PM EDTSpecial Weather StatementJAXAppling, Atkinson, Bacon, Pierce55 min
Apr 7, 3:20 PM EDTSpecial Weather StatementJAXClinch40 min
Apr 7, 3:36 PM EDTSpecial Weather StatementJAXPierce, Ware39 min
Apr 7, 3:48 PM EDTSevere Thunderstorm WarningJAXAtkinson, Brantley, Clinch, Pierce, Ware57 min
Apr 7, 4:08 PM EDTAreal Flood AdvisoryJAXClinch, Ware112 min
Apr 7, 4:15 PM EDTSpecial Weather StatementJAXBrantley, Pierce, Wayne45 min
Apr 7, 4:35 PM EDTSevere Thunderstorm WarningJAXBrantley, Glynn, Pierce, Wayne55 min
Apr 7, 4:44 PM EDTTornado WarningJAXBrantley, Glynn, Wayne31 min
Apr 7, 6:02 PM EDTAreal Flood AdvisoryJAXClinch, Ware118 min
Apr 7, 6:16 PM EDTSpecial Weather StatementJAXClinch, Echols44 min
Apr 7, 6:58 PM EDTSpecial Weather StatementJAXAtkinson, Clinch, Echols47 min

Nearby

Tornado Warnings in Georgia, 2014Every tornado warning in 2014Tornadoes in 2014

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.