Alert archive / Alabama / Tornado Warnings in 2015

Tornado Warning 27, NWS Mobile, AL

December 28, 2015Monroe County, Alabama

NWS Mobile, AL issued this tornado warning at Dec 28, 2015, 7:48 AM CST for Monroe 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
Dec 28, 2015, 7:48 AM CST (13:48 UTC)
Expired
Dec 28, 2015, 8:30 AM CST
In force
42 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Monroe County, AL

The radar

The Mobile radar (KMOB), 114 km from the middle of the area, began a volume at 13:49 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 28, 6:41 AM CSTTornado WatchSPC5 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 1.8 hours before the alert went out and 200 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 2015-12-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 144 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 12:00Z on 2015-12-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 330 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
144 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
584 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
330 m²/s²
0-3 km storm-relative helicity
377 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

965 
WFUS54 KMOB 281348
TORMOB
ALC099-281430-
/O.NEW.KMOB.TO.W.0027.151228T1348Z-151228T1430Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
748 AM CST MON DEC 28 2015

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL MONROE COUNTY IN SOUTH CENTRAL ALABAMA...

* UNTIL 830 AM CST
    
* AT 746 AM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR JEDDO...OR 10 MILES SOUTHWEST OF FRISCO
  CITY...MOVING NORTHEAST AT 35 MPH.

  HAZARD...TORNADO. 

  SOURCE...RADAR INDICATED ROTATION. 

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. 
           DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR.  TREE 
           DAMAGE IS LIKELY. 

* THIS DANGEROUS STORM WILL BE NEAR...
  MEGARGEL AROUND 755 AM CST.
  FRISCO CITY AND EXCEL AROUND 805 AM CST.
  MONROEVILLE AROUND 815 AM CST.
  PETERMAN AROUND 825 AM CST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A
MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3161 8719 3126 8747 3126 8749 3131 8762
      3141 8761 3144 8757 3146 8756 3148 8757
      3150 8759 3154 8759 3155 8757 3170 8756
      3170 8752
TIME...MOT...LOC 1346Z 203DEG 30KT 3132 8753 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$
1 follow-up statement
546 
WWUS54 KMOB 281359
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
759 AM CST MON DEC 28 2015

ALC099-281430-
/O.CON.KMOB.TO.W.0027.000000T0000Z-151228T1430Z/
MONROE AL-
759 AM CST MON DEC 28 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 AM CST FOR CENTRAL
MONROE COUNTY...
    
AT 759 AM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR FRISCO CITY...MOVING NORTH AT 40 MPH.

HAZARD...TORNADO AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED ROTATION. 

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE 
         TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR.  TREE DAMAGE IS 
         LIKELY. 

THIS DANGEROUS STORM WILL BE NEAR...
  MONROEVILLE AROUND 805 AM CST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A
MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3138 8737 3139 8740 3142 8750 3143 8755
      3144 8757 3146 8756 3148 8757 3150 8759
      3154 8759 3155 8757 3170 8756 3170 8752
      3161 8719
TIME...MOT...LOC 1359Z 202DEG 36KT 3147 8747 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 28, 2:38 AM CSTWind AdvisoryMOBBaldwin, Mobile9 hr
Dec 28, 3:16 AM CSTHigh Surf AdvisoryMOBBaldwin, Mobile15 hr
Dec 28, 6:19 AM CSTSevere Thunderstorm WarningMOBMobile41 min
Dec 28, 6:44 AM CSTTornado WarningMOBBaldwin31 min
Dec 28, 6:57 AM CSTSpecial Weather StatementMOBClarke, Washington63 min
Dec 28, 6:59 AM CSTTornado WarningMOBWashington46 min
Dec 28, 7:03 AM CSTSevere Thunderstorm WarningMOBChoctaw, Washington57 min
Dec 28, 7:10 AM CSTSpecial Marine WarningMOB95 min
Dec 28, 7:14 AM CSTTornado WarningMOBBaldwin, Escambia, Monroe46 min
Dec 28, 7:16 AM CSTTornado WarningMOBBaldwin59 min
Dec 28, 7:18 AM CSTTornado WarningMOBChoctaw42 min
Dec 28, 7:28 AM CSTTornado WarningMOBChoctaw, Washington47 min
Dec 28, 8:00 AM CSTTornado WarningMOBEscambia, Monroe30 min
Dec 28, 8:06 AM CSTSpecial Marine WarningMOB84 min
Dec 28, 8:06 AM CSTSevere Thunderstorm WarningMOBChoctaw39 min
Dec 28, 8:09 AM CSTTornado WarningMOBMonroe, Wilcox33 min
Dec 28, 8:13 AM CSTSevere Thunderstorm WarningMOBBaldwin, Choctaw, Clarke, Mobile, Washington62 min
Dec 28, 8:16 AM CSTTornado WarningMOBButler, Conecuh, Escambia, Monroe2 min
Dec 28, 8:19 AM CSTTornado WarningMOBEscambia41 min
Dec 28, 8:36 AM CSTSevere Thunderstorm WarningMOBMonroe, Wilcox39 min
Dec 28, 8:59 AM CSTSevere Thunderstorm WarningMOBConecuh, Escambia46 min
Dec 28, 9:04 AM CSTSevere Thunderstorm WarningMOBButler, Conecuh, Monroe, Wilcox41 min
Dec 28, 9:06 AM CSTTornado WarningMOBBaldwin39 min
Dec 28, 9:27 AM CSTSpecial Marine WarningMOB2 hr
Dec 28, 9:32 AM CSTSevere Thunderstorm WarningMOBButler, Wilcox13 min
Dec 28, 9:52 AM CSTSpecial Weather StatementMOBBaldwin, Clarke, Monroe53 min
Dec 28, 10:01 AM CSTSevere Thunderstorm WarningMOBConecuh, Escambia44 min
Dec 28, 10:48 AM CSTSpecial Weather StatementMOBConecuh, Escambia, Monroe57 min
Dec 28, 11:16 AM CSTSpecial Marine WarningMOB119 min
Dec 28, 11:37 AM CSTSevere Thunderstorm WarningMOBButler, Crenshaw26 min
Dec 28, 11:50 AM CSTTornado WarningMOBButler12 min
Dec 28, 12:09 PM CSTSpecial Weather StatementMOBButler, Covington, Crenshaw96 min
Dec 28, 12:14 PM CSTAreal Flood AdvisoryMOBButler3 hr
Dec 28, 12:46 PM CSTSpecial Marine WarningMOB119 min
Dec 28, 12:51 PM CSTSevere Thunderstorm WarningMOBButler, Crenshaw39 min
Dec 28, 1:12 PM CSTSevere Thunderstorm WarningMOBCovington48 min
Dec 28, 1:52 PM CSTAreal Flood AdvisoryMOBButler, Crenshaw3 hr
Dec 28, 1:55 PM CSTSevere Thunderstorm WarningMOBCovington35 min
Dec 28, 1:59 PM CSTAreal Flood AdvisoryMOBCovington3 hr
Dec 28, 2:44 PM CSTSpecial Marine WarningMOB31 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.