Alert archive / Alabama / Tornado Warnings in 2012

Tornado Warning 64, NWS Tallahassee, FL

December 20, 2012Coffee County, Alabama

NWS Tallahassee, FL issued this tornado warning at Dec 20, 2012, 10:09 AM CST for Coffee County, Alabama. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Dec 20, 2012, 10:09 AM CST (16:09 UTC)
Expired
Dec 20, 2012, 10:41 AM CST
In force
32 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon

County Coffee County, AL

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Dec 20, 9:19 AM CSTTornado WatchSPC9 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 4.2 hours before the alert went out and 199 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 2012-12-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2012-12-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 200 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2063 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
200 m²/s²
0-3 km storm-relative helicity
202 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.

883 
WFUS52 KTAE 201609
TORTAE
ALC031-201700-
/O.NEW.KTAE.TO.W.0064.121220T1609Z-121220T1700Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
1009 AM CST THU DEC 20 2012

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN COFFEE COUNTY IN SOUTHEAST ALABAMA...

* UNTIL 1100 AM CST

* AT 1007 AM CST...A DEVELOPING TORNADO HAS BEEN DETECTED BY THE
  NATIONAL WEATHER SERVICE 19 MILES SOUTHWEST OF ELBA...OR NEAR
  ONYCHA...MOVING NORTHEAST AT 45 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO NEW
  BROCKTON

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! LEAVE MOBILE HOMES AND VEHICLES FOR SAFER STRUCTURES.
MOVE TO A HALLWAY OR CLOSET ON THE LOWEST FLOOR AWAY FROM WINDOWS AND
OUTSIDE WALLS.

&&

LAT...LON 3150 8599 3134 8585 3119 8618 3119 8620
      3136 8620
TIME...MOT...LOC 1609Z 234DEG 40KT 3122 8627

$$

42-DVD
3 follow-up statements
301 
WWUS52 KTAE 201623
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
1023 AM CST THU DEC 20 2012

ALC031-201700-
/O.CON.KTAE.TO.W.0064.000000T0000Z-121220T1700Z/
COFFEE AL-
1023 AM CST THU DEC 20 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1100 AM CST FOR SOUTHERN
COFFEE COUNTY...

AT 1021 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR ALBERTON...MOVING
NORTHEAST AT 45 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO NEW
HAVEN...CARL FOLSOM A/P...DAMASCUS...ELBA...TURNER CROSSROADS...
RICHBURG...CAMP HUMMING HILLS...NEW BROCKTON AND WOODLAND GROVE
CHURCH

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM CST THURSDAY EVENING
FOR SOUTHEAST ALABAMA AND NORTHWEST FLORIDA AND SOUTHWEST GEORGIA.

&&

LAT...LON 3124 8613 3135 8618 3150 8599 3134 8585
TIME...MOT...LOC 1623Z 234DEG 40KT 3132 8610

$$

42-DVD
081 
WWUS52 KTAE 201629
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
1029 AM CST THU DEC 20 2012

ALC031-201700-
/O.CON.KTAE.TO.W.0064.000000T0000Z-121220T1700Z/
COFFEE AL-
1029 AM CST THU DEC 20 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1100 AM CST FOR CENTRAL
COFFEE COUNTY...

AT 1026 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR NEW HAVEN...MOVING
NORTHEAST AT 40 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
DAMASCUS...ELBA...TURNER CROSSROADS...RICHBURG...CAMP HUMMING
HILLS...NEW BROCKTON AND WOODLAND GROVE CHURCH

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM CST THURSDAY EVENING
FOR SOUTHEAST ALABAMA AND NORTHWEST FLORIDA AND SOUTHWEST GEORGIA.

&&

LAT...LON 3127 8607 3135 8615 3150 8599 3134 8585
TIME...MOT...LOC 1629Z 236DEG 34KT 3135 8605

$$

42-DVD
384 
WWUS52 KTAE 201641
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
1041 AM CST THU DEC 20 2012

ALC031-201648-
/O.CAN.KTAE.TO.W.0064.000000T0000Z-121220T1700Z/
COFFEE AL-
1041 AM CST THU DEC 20 2012

...THE TORNADO WARNING FOR CENTRAL COFFEE COUNTY IS CANCELLED...

ROTATION HAS WEAKENED...SO THE WARNING HAS BEEN CANCELLED. 
HOWEVER...CONDITIONS REMAIN FAVORABLE FOR OTHER STORMS TO DEVELOP 
THROUGHOUT THE DAY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM CST THURSDAY EVENING
FOR SOUTHEAST ALABAMA AND NORTHWEST FLORIDA AND SOUTHWEST GEORGIA.

LAT...LON 3127 8607 3135 8615 3150 8599 3134 8585
TIME...MOT...LOC 1638Z 233DEG 35KT 3141 8596

$$

42-DVD

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 20, 2:50 AM CSTFreeze WatchTAECoffee, Dale, Geneva, Henry, Houston24 hr
Dec 20, 10:50 AM CSTSevere Thunderstorm WarningTAEGeneva40 min
Dec 20, 11:26 AM CSTSevere Thunderstorm WarningTAEGeneva, Houston64 min
Dec 20, 11:35 AM CSTSevere Thunderstorm WarningTAEDale, Henry55 min
Dec 20, 11:46 AM CSTTornado WarningTAEDale, Henry, Houston19 min

Nearby

Tornado Warnings in Alabama, 2012Every tornado warning in 2012Tornadoes in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.