Alert archive / Alabama / Tornado Warnings in 2015

Tornado Warning 3, NWS Mobile, AL

January 4, 2015Baldwin County, Alabama

NWS Mobile, AL issued this tornado warning at Jan 4, 2015, 1:18 AM CST for Baldwin County, Alabama. It was in force for 42 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
Jan 4, 2015, 1:18 AM CST (07:18 UTC)
Expired
Jan 4, 2015, 2:00 AM CST
In force
42 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

County Baldwin County, AL

The radar

The Mobile radar (KMOB), 69 km from the middle of the area, began a volume at 07:20 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 nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 7.3 hours before the alert went out and 195 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, Slidell Radar S, LA at 00:00Z on 2015-01-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1048 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, Slidell Radar S, LA at 00:00Z on 2015-01-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 235 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
1048 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
629 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
235 m²/s²
0-3 km storm-relative helicity
238 m²/s²
Significant tornado parameter
1.6
Supercell composite
8.8

Open this sounding in Storm Lab

The text

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

630 
WFUS54 KMOB 040718
TORMOB
ALC003-040800-
/O.NEW.KMOB.TO.W.0003.150104T0718Z-150104T0800Z/

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

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN BALDWIN COUNTY IN SOUTHWEST ALABAMA...

* UNTIL 200 AM CST

* AT 115 AM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 7 MILES SOUTHWEST OF GULF SHORES...OR 10 MILES
  SOUTHWEST OF BON SECOUR...MOVING NORTHEAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  PERDIDO BEACH...      ORANGE BEACH...       GULF SHORES...
  ELBERTA...            BON SECOUR...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

&&

LAT...LON 3023 8789 3025 8787 3026 8778 3029 8777
      3032 8778 3049 8755 3038 8744 3034 8748
      3033 8751 3030 8751 3029 8755 3027 8755
      3022 8780
TIME...MOT...LOC 0718Z 228DEG 27KT 3020 8778

$$
3 follow-up statements
906 
WWUS54 KMOB 040727
SVSMOB

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

ALC003-040800-
/O.CON.KMOB.TO.W.0003.000000T0000Z-150104T0800Z/
BALDWIN AL-
127 AM CST SUN JAN 4 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 AM CST FOR
SOUTHEASTERN BALDWIN COUNTY...

AT 125 AM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 
WAS LOCATED NEAR GULF SHORES...OR 4 MILES SOUTH OF BON SECOUR...
MOVING NORTHEAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  PERDIDO BEACH...      ORANGE BEACH...       GULF SHORES...
  ELBERTA...            BON SECOUR...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

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

&&

LAT...LON 3023 8779 3025 8779 3026 8778 3029 8777
      3032 8778 3049 8755 3038 8744 3034 8748
      3033 8751 3030 8751 3029 8755 3027 8755
TIME...MOT...LOC 0728Z 229DEG 28KT 3027 8769

$$
106 
WWUS54 KMOB 040740
SVSMOB

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

ALC003-040800-
/O.CON.KMOB.TO.W.0003.000000T0000Z-150104T0800Z/
BALDWIN AL-
140 AM CST SUN JAN 4 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 AM CST FOR
SOUTHEASTERN BALDWIN COUNTY...

AT 137 AM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 
WAS LOCATED 3 MILES NORTHWEST OF ORANGE BEACH...OR 6 MILES EAST OF
BON SECOUR...MOVING NORTHEAST AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
  PERDIDO BEACH...      ORANGE BEACH...       ELBERTA...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

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

&&

LAT...LON 3028 8756 3026 8765 3029 8770 3032 8772
      3048 8754 3038 8744 3034 8748 3033 8751
      3030 8751 3029 8755
TIME...MOT...LOC 0741Z 238DEG 29KT 3033 8759

$$
825 
WWUS54 KMOB 040756
SVSMOB

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

ALC003-040806-
/O.EXP.KMOB.TO.W.0003.000000T0000Z-150104T0800Z/
BALDWIN AL-
156 AM CST SUN JAN 4 2015

...THE TORNADO WARNING HAS BEEN ALLOWED TO EXPIRE FOR SOUTHEASTERN
BALDWIN COUNTY...

AT 153 AM CST...THE STORM THAT PROMPTED THE WARNING FOR SOUTHEASTERN
BALDWIN COUNTY HAS WEAKENED TO BELOW SEVERE LIMITS...THUS THE TORNADO
WARNING WILL BE ALLOWED TO EXPIRE AT 200 AM CST.

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

LAT...LON 3028 8756 3026 8765 3029 8770 3032 8772
      3048 8754 3038 8744 3034 8748 3033 8751
      3030 8751 3029 8755
TIME...MOT...LOC 0756Z 238DEG 29KT 3039 8747

$$

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, 1:23 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, 3:20 AM CSTTornado WarningMOBCrenshaw26 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.