Alert archive / Alabama / Tornado Warnings in 2015

Tornado Warning 7, NWS Mobile, AL

January 4, 2015Crenshaw County, Alabama

NWS Mobile, AL issued this tornado warning at Jan 4, 2015, 3:20 AM CST for Crenshaw County, Alabama. It was in force for 26 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
Jan 4, 2015, 3:20 AM CST (09:20 UTC)
Expired
Jan 4, 2015, 3:46 AM CST
In force
26 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

County Crenshaw County, AL

The radar

The Ft Rucker radar (KEOX), 75 km from the middle of the area, began a volume at 09:21 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
Jan 4, 3:32 AM CSTTORNADO3 E Luverne, ALREPORTS OF HOMES DAMAGED NEAR GIN CREEK RD AND GLENWOOD. EXTENT OF DAMAGE UNKNOWN. TREES DOWN AS WELL.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 9.3 hours before the alert went out and 173 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 00:00Z on 2015-01-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 14 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, Birmingham, AL at 00:00Z on 2015-01-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 107 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
14 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
598 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
107 m²/s²
0-3 km storm-relative helicity
197 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.

490 
WFUS54 KMOB 040920
TORMOB
ALC041-041000-
/O.NEW.KMOB.TO.W.0007.150104T0920Z-150104T1000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
320 AM CST SUN JAN 4 2015

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL CRENSHAW COUNTY IN SOUTH CENTRAL ALABAMA...

* UNTIL 400 AM CST

* AT 319 AM CST...A SEVERE THUNDERSTORM WITH STRONG ROTATION AND
  LIKELY PRODUCING A TORNADO WAS LOCATED 6 MILES SOUTH OF LUVERNE...
  OR 4 MILES NORTHWEST OF BRANTLEY...MOVING NORTHEAST AT 55 MPH.

* LOCATIONS IMPACTED INCLUDE...
  LUVERNE...            GLENWOOD...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR OF A STURDY BUILDING.

&&

LAT...LON 3167 8614 3159 8630 3163 8636 3180 8618
      3179 8614 3178 8614
TIME...MOT...LOC 0921Z 232DEG 47KT 3165 8628

$$
2 follow-up statements
123 
WWUS54 KMOB 040929
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
329 AM CST SUN JAN 4 2015

ALC041-041000-
/O.CON.KMOB.TO.W.0007.000000T0000Z-150104T1000Z/
CRENSHAW AL-
329 AM CST SUN JAN 4 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 AM CST FOR EAST
CENTRAL CRENSHAW COUNTY...

AT 326 AM CST...A SEVERE THUNDERSTORM WITH STRONG ROTATION AND LIKELY
PRODUCING A TORNADO WAS LOCATED 3 MILES SOUTH OF LUVERNE...OR 5 
MILES SOUTHEAST OF RUTLEDGE...MOVING NORTHEAST AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...
  LUVERNE...            GLENWOOD...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR OF A STURDY BUILDING.

&&

LAT...LON 3167 8614 3162 8625 3166 8632 3180 8618
      3179 8614
TIME...MOT...LOC 0929Z 226DEG 36KT 3169 8624

$$
700 
WWUS54 KMOB 040946
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
346 AM CST SUN JAN 4 2015

ALC041-040956-
/O.CAN.KMOB.TO.W.0007.000000T0000Z-150104T1000Z/
CRENSHAW AL-
346 AM CST SUN JAN 4 2015

...THE TORNADO WARNING HAS BEEN CANCELLED FOR EAST CENTRAL CRENSHAW
COUNTY...

AT 344 AM CST...THE STORM THAT PROMPTED THE WARNING FOR EAST CENTRAL
CRENSHAW COUNTY HAS WEAKENED TO BELOW SEVERE LIMITS...THUS THE
TORNADO WARNING HAS BEEN CANCELLED.

TO REPORT SEVERE WEATHER...CALL (800) 284-9059.

LAT...LON 3167 8614 3162 8625 3166 8632 3180 8618
      3179 8614
TIME...MOT...LOC 0946Z 226DEG 36KT 3181 8610

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 3, 8:23 PM CSTMarine Dense Fog AdvisoryMOB9 hr
Jan 4, 12:52 AM CSTSpecial Marine WarningMOB68 min
Jan 4, 1:18 AM CSTTornado WarningMOBBaldwin42 min
Jan 4, 1:23 AM CSTTornado WarningMOBEscambia52 min
Jan 4, 1:30 AM CSTSpecial Marine WarningMOB45 min
Jan 4, 2:04 AM CSTSevere Thunderstorm WarningMOBConecuh, Covington, Escambia41 min
Jan 4, 2:05 AM CSTSpecial Marine WarningMOB55 min
Jan 4, 2:14 AM CSTTornado WarningMOBConecuh, Covington46 min
Jan 4, 2:45 AM CSTTornado WarningMOBCovington, Crenshaw45 min
Jan 4, 3:15 AM CSTSpecial Marine WarningMOB90 min
Jan 4, 4:38 AM CSTSpecial Marine WarningMOB97 min
Jan 4, 5:57 AM CSTSpecial Marine WarningMOB63 min

Nearby

Tornado Warnings in Alabama, 2015Every tornado warning in 2015Tornadoes in 2015

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.