Alert archive / Alabama / Tornado Warnings in 2014

Tornado Warning 37, NWS Mobile, AL

November 17, 20144 counties in Alabama

NWS Mobile, AL issued this tornado warning at Nov 17, 2014, 3:14 AM CST for 4 counties in Alabama. It was in force for 14 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
Nov 17, 2014, 3:14 AM CST (09:14 UTC)
Expired
Nov 17, 2014, 3:28 AM CST
In force
14 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

Counties Butler County, AL, Conecuh County, AL, Monroe County, AL, Wilcox County, AL

The radar

The Maxwell AFB radar (KMXX), 140 km from the middle of the area, began a volume at 09:18 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
Nov 17, 1:32 AM CSTTornado WatchSPC7 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 9.2 hours before the alert went out and 152 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 2014-11-17Temperature 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, Birmingham, AL at 00:00Z on 2014-11-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 342 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
452 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
342 m²/s²
0-3 km storm-relative helicity
348 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.

447 
WFUS54 KMOB 170914
TORMOB
ALC013-035-099-131-171000-
/O.NEW.KMOB.TO.W.0037.141117T0914Z-141117T1000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
314 AM CST MON NOV 17 2014

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN BUTLER COUNTY IN SOUTH CENTRAL ALABAMA...
  EXTREME NORTH CENTRAL CONECUH COUNTY IN SOUTH CENTRAL ALABAMA...
  NORTHEASTERN MONROE COUNTY IN SOUTH CENTRAL ALABAMA...
  SOUTHEASTERN WILCOX COUNTY IN SOUTH CENTRAL ALABAMA...

* UNTIL 400 AM CST

* AT 311 AM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 10 MILES NORTH OF MONROEVILLE...OR 5 MILES
  NORTH OF PETERMAN...MOVING NORTHEAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  PINE APPLE...         BEATRICE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM CST MONDAY MORNING FOR
SOUTHWEST ALABAMA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL 900
AM CST MONDAY MORNING FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA.

&&

LAT...LON 3202 8692 3178 8673 3161 8723 3172 8731
TIME...MOT...LOC 0915Z 237DEG 36KT 3168 8722

$$
1 follow-up statement
154 
WWUS54 KMOB 170928
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
328 AM CST MON NOV 17 2014

ALC013-035-099-131-170938-
/O.CAN.KMOB.TO.W.0037.000000T0000Z-141117T1000Z/
BUTLER AL-CONECUH AL-MONROE AL-WILCOX AL-
328 AM CST MON NOV 17 2014

...THE TORNADO WARNING HAS BEEN CANCELLED FOR SOUTHEASTERN WILCOX...
NORTHEASTERN MONROE...EXTREME NORTH CENTRAL CONECUH AND NORTHWESTERN
BUTLER COUNTIES...

AT 325 AM CST...THE STORM THAT PROMPTED THE WARNING FOR SOUTHEASTERN
WILCOX...NORTHEASTERN MONROE...EXTREME NORTH CENTRAL CONECUH AND
NORTHWESTERN BUTLER COUNTIES HAS WEAKENED TO BELOW SEVERE LIMITS...
THUS THE TORNADO WARNING HAS BEEN CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM CST MONDAY MORNING FOR
SOUTHWEST ALABAMA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL 900
AM CST MONDAY MORNING FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA.

LAT...LON 3202 8692 3178 8673 3161 8723 3172 8731
TIME...MOT...LOC 0928Z 237DEG 36KT 3175 8709

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 17, 1:29 AM CSTSevere Thunderstorm WarningMOBClarke, Washington61 min
Nov 17, 1:41 AM CSTTornado WarningMOBClarke, Washington49 min
Nov 17, 2:08 AM CSTTornado WarningMOBClarke37 min
Nov 17, 2:09 AM CSTSevere Thunderstorm WarningMOBBaldwin, Clarke, Conecuh, Escambia, Monroe, Washington66 min
Nov 17, 2:37 AM CSTTornado WarningMOBClarke, Monroe, Wilcox25 min
Nov 17, 3:07 AM CSTTornado WarningMOBConecuh, Monroe53 min
Nov 17, 3:22 AM CSTSpecial Marine WarningMOB83 min
Nov 17, 3:45 AM CSTTornado WarningMOBButler, Conecuh45 min
Nov 17, 4:07 AM CSTSevere Thunderstorm WarningMOBButler, Covington, Crenshaw53 min
Nov 17, 4:21 AM CSTTornado WarningMOBButler, Crenshaw39 min
Nov 17, 4:24 AM CSTHard Freeze WatchMOBButler, Choctaw, Clarke, Conecuh, Covington, Crenshaw and 4 more26 hr
Nov 17, 4:24 AM CSTWind AdvisoryMOBButler, Choctaw, Clarke, Conecuh, Covington, Crenshaw and 4 more26 hr
Nov 17, 4:41 AM CSTSevere Thunderstorm WarningMOBBaldwin, Conecuh, Escambia49 min
Nov 17, 4:42 AM CSTTornado WarningMOBCrenshaw20 min
Nov 17, 5:09 AM CSTSpecial Marine WarningMOB2 hr
Nov 17, 5:47 AM CSTGale WarningMOB24 hr
Nov 17, 5:47 AM CSTSmall Craft AdvisoryMOB42 hr
Nov 17, 5:47 AM CSTSmall Craft AdvisoryMOB36 hr
Nov 17, 5:51 AM CSTFire Weather WatchMOBButler, Choctaw, Clarke, Conecuh, Covington, Crenshaw and 4 more48 hr
Nov 17, 5:51 AM CSTFire Weather WatchMOBButler, Choctaw, Clarke, Conecuh, Covington, Crenshaw and 4 more25 hr

Nearby

Tornado Warnings in Alabama, 2014Every tornado warning in 2014Tornadoes in 2014

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.