Alert archive / Alabama / Tornado Warnings in 2012

Tornado Warning 127, NWS Mobile, AL

December 25, 2012Wilcox County, Alabama

NWS Mobile, AL issued this tornado warning at Dec 25, 2012, 5:08 PM CST for Wilcox County, Alabama. It was in force for 52 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, 5:08 PM CST (23:08 UTC)
Expired
Dec 25, 2012, 6:00 PM CST
In force
52 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

County Wilcox County, AL

The radar

The Birmingham radar (KBMX), 132 km from the middle of the area, began a volume at 23:08 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.

The watch it was issued in

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

IssuedProductOfficeLasted
Dec 25, 12:58 PM CSTTornado Watch PDSSPC9 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 11.1 hours before the alert went out and 132 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, Birmingham, AL at 12:00Z on 2012-12-25Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 12:00Z on 2012-12-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 65 square meters per square second.1939587897117Sfc1 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
1008 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
65 m²/s²
0-3 km storm-relative helicity
114 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.

688 
WFUS54 KMOB 252308 RRA
TORMOB
ALC131-260000-
/O.NEW.KMOB.TO.W.0127.121225T2308Z-121226T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
508 PM CST TUE DEC 25 2012

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN WILCOX COUNTY IN SOUTH CENTRAL ALABAMA...

* UNTIL 600 PM CST

* AT 503 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 12 MILES EAST OF THOMASVILLE...OR 8 MILES
  SOUTHWEST OF YELLOW BLUFF...MOVING NORTH AT 55 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BOYKIN...             YELLOW BLUFF...       PINE HILL...
  CATHERINE...          CAMDEN...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CST TUESDAY EVENING
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI. A TORNADO WATCH
ALSO REMAINS IN EFFECT UNTIL 1000 PM CST TUESDAY EVENING FOR SOUTH
CENTRAL ALABAMA AND NORTHWEST FLORIDA.

&&

LAT...LON 3225 8742 3224 8739 3221 8737 3220 8733
      3215 8727 3214 8725 3212 8724 3196 8729
      3184 8743 3183 8754 3188 8762 3214 8756
      3214 8753 3227 8753 3228 8745
TIME...MOT...LOC 2308Z 194DEG 48KT 3191 8752

$$

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 24, 9:38 PM CSTSmall Craft AdvisoryMOB20 hr
Dec 25, 4:41 AM CSTGale WarningMOB31 hr
Dec 25, 4:41 AM CSTSmall Craft AdvisoryMOB13 hr
Dec 25, 4:41 AM CSTSmall Craft AdvisoryMOB42 hr
Dec 25, 4:41 AM CSTSmall Craft AdvisoryMOB42 hr
Dec 25, 2:01 PM CSTSpecial Marine WarningMOB62 min
Dec 25, 2:43 PM CSTTornado WarningMOBClarke32 min
Dec 25, 2:55 PM CSTTornado WarningMOBClarke, Monroe65 min
Dec 25, 3:14 PM CSTSpecial Marine WarningMOB61 min
Dec 25, 3:35 PM CSTTornado WarningMOBCovington, Crenshaw55 min
Dec 25, 4:07 PM CSTTornado WarningMOBClarke, Monroe, Wilcox68 min
Dec 25, 4:12 PM CSTTornado WarningMOBMobile33 min
Dec 25, 4:13 PM CSTSpecial Marine WarningMOB17 min
Dec 25, 4:17 PM CSTTornado WarningMOBClarke, Mobile, Washington10 min
Dec 25, 4:24 PM CSTTornado WarningMOBCrenshaw51 min
Dec 25, 4:24 PM CSTTornado WarningMOBChoctaw66 min
Dec 25, 4:28 PM CSTTornado WarningMOBWilcox17 min
Dec 25, 4:39 PM CSTTornado WarningMOBConecuh, Escambia, Monroe51 min
Dec 25, 4:41 PM CSTTornado WarningMOBConecuh, Escambia49 min
Dec 25, 4:44 PM CSTTornado Warning EmergencyMOBBaldwin, Mobile61 min
Dec 25, 4:47 PM CSTSpecial Marine WarningMOB43 min
Dec 25, 4:50 PM CSTSevere Thunderstorm WarningMOBClarke, Mobile, Washington55 min
Dec 25, 4:52 PM CSTTornado WarningMOBChoctaw, Clarke, Washington53 min
Dec 25, 4:52 PM CSTTornado WarningMOBCrenshaw38 min
Dec 25, 5:00 PM CSTTornado WarningMOBMobile, Washington45 min
Dec 25, 5:08 PM CSTTornado WarningMOBCrenshaw45 min
Dec 25, 5:13 PM CSTTornado WarningMOBCovington18 min
Dec 25, 5:16 PM CSTTornado WarningMOBBaldwin, Clarke, Mobile, Monroe44 min
Dec 25, 5:17 PM CSTTornado WarningMOBClarke, Washington58 min
Dec 25, 5:23 PM CSTTornado WarningMOBMonroe, Wilcox23 min
Dec 25, 5:28 PM CSTSevere Thunderstorm WarningMOBChoctaw, Clarke, Mobile, Washington62 min
Dec 25, 5:40 PM CSTSevere Thunderstorm WarningMOBChoctaw, Clarke, Wilcox65 min
Dec 25, 5:44 PM CSTTornado WarningMOBClarke, Wilcox46 min
Dec 25, 5:56 PM CSTTornado WarningMOBClarke, Washington64 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; radar from the NEXRAD Level II archive.