Alert archive / Alabama / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 424, NWS Tallahassee, FL

December 25, 2012Coffee County, Dale County, Alabama

NWS Tallahassee, FL issued this severe thunderstorm warning at Dec 25, 2012, 11:13 PM CST for Coffee County, Dale 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 25, 2012, 11:13 PM CST (05:13 UTC)
Expired
Dec 25, 2012, 11:45 PM CST
In force
32 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon

Counties Coffee County, AL, Dale County, AL

The watch it was issued in

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

IssuedProductOfficeLasted
Dec 25, 9:23 PM CSTTornado WatchSPC6 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 5.2 hours before the alert went out and 196 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 00:00Z on 2012-12-26Temperature 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 00:00Z on 2012-12-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 232 square meters per square second.19395878Sfc1 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
1109 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
232 m²/s²
0-3 km storm-relative helicity
410 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.

535 
WUUS52 KTAE 260513
SVRTAE
ALC031-045-260545-
/O.NEW.KTAE.SV.W.0424.121226T0513Z-121226T0545Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
1113 PM CST TUE DEC 25 2012

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN COFFEE COUNTY IN SOUTHEAST ALABAMA...
  NORTHWESTERN DALE COUNTY IN SOUTHEAST ALABAMA...

* UNTIL 1145 PM CST

* AT 1112 PM CST...THE NATIONAL WEATHER SERVICE HAS DETECTED A LINE
  OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
  EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
  FROM 9 MILES NORTHWEST OF ARITON TO 6 MILES SOUTH OF ELBA...OR
  ALONG A LINE EXTENDING FROM CLOWERS CROSSROADS TO BASIN...AND
  MOVING NORTHEAST AT 50 MPH.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY.

&&

LAT...LON 3132 8620 3162 8603 3162 8556 3136 8579
TIME...MOT...LOC 0514Z 234DEG 43KT 3167 8582 3135 8608

$$

08-LAMERS
2 follow-up statements
596 
WWUS52 KTAE 260530
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
1130 PM CST TUE DEC 25 2012

ALC031-045-260545-
/O.CON.KTAE.SV.W.0424.000000T0000Z-121226T0545Z/
COFFEE AL-DALE AL-
1130 PM CST TUE DEC 25 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 PM CST
FOR NORTHWESTERN DALE AND NORTHEASTERN COFFEE COUNTIES...

AT 1126 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM HWY 231 PEA RIVER BRIDGE TO RICHBURG...MOVING
NORTHEAST AT 50 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
TABERNACLE...CLINTONVILLE...ROCKY HEAD...SHELL ARMY FIELD...CAMP
ALAFLO...BARNES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED... ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

&&

LAT...LON 3133 8608 3162 8596 3162 8556 3136 8579
TIME...MOT...LOC 0530Z 234DEG 43KT 3170 8572 3137 8593

$$

08-LAMERS
390 
WWUS52 KTAE 260548 RRA
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
1148 PM CST TUE DEC 25 2012

ALC031-045-260558-
/O.EXP.KTAE.SV.W.0424.000000T0000Z-121226T0545Z/
COFFEE AL-DALE AL-
1148 PM CST TUE DEC 25 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN DALE AND
NORTHEASTERN COFFEE COUNTIES HAS EXPIRED...

NATIONAL WEATHER SERVICE DOPPLER RADAR...OBSERVATIONS...AND LAW 
ENFORCEMENT INDICATE THAT THE LINE OF STORMS IN SOUTHAEST ALABAMA 
HAS LIKELY WEAKENED BELOW SEVERE LEVELS. THERE HAVE BEEN NO RECENT 
DAMAGE REPORTS OR WIND GUSTS OVER 50 MPH.

THE LINE OF STORMS WILL CONTINUE TO PRODUCE GUSTY WINDS TO AROUND 50 
MPH ACROSS SOUTHEAST ALABAMA AS IT MOVES EAST.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 AM CST WEDNESDAY MORNING 
FOR SOUTHEAST ALABAMA.

LAT...LON 3133 8608 3162 8596 3162 8556 3136 8579
TIME...MOT...LOC 0530Z 234DEG 43KT 3167 8569 3134 8591

$$

08-LAMERS

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 25, 6:09 PM CSTTornado WarningTAECoffee36 min
Dec 25, 7:09 PM CSTWind AdvisoryTAECoffee, Dale, Geneva, Henry, Houston18 hr
Dec 25, 10:12 PM CSTSevere Thunderstorm WarningTAECoffee63 min
Dec 25, 10:56 PM CSTSevere Thunderstorm WarningTAECoffee, Geneva49 min
Dec 25, 11:45 PM CSTSpecial Weather StatementTAEDale, Geneva, Henry60 min
Dec 26, 12:36 AM CSTSpecial Weather StatementTAEHenry, Houston54 min
Dec 26, 1:09 PM CSTFreeze WarningTAECoffee, Dale, Geneva, Henry, Houston14 hr

Nearby

Severe Thunderstorm Warnings in Alabama, 2012Every severe thunderstorm warning 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.