Alert archive / Alabama / Tornado Warnings in 2014

Tornado Warning 12, NWS Mobile, AL

April 7, 2014Clarke County, Washington County, Alabama

NWS Mobile, AL issued this tornado warning at Apr 7, 2014, 3:22 AM CDT for Clarke County, Washington County, Alabama. It was in force for 38 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
Apr 7, 2014, 3:22 AM CDT (08:22 UTC)
Expired
Apr 7, 2014, 4:00 AM CDT
In force
38 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

Counties Clarke County, AL, Washington County, AL

The radar

The Mobile radar (KMOB), 118 km from the middle of the area, began a volume at 08:25 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
Apr 7, 1:16 AM CDTTornado WatchSPC7 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 8.4 hours before the alert went out and 192 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 2014-04-07Temperature 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 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 2014-04-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 135 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
630 m above ground
0-6 km bulk shear
70 kt
0-1 km storm-relative helicity
135 m²/s²
0-3 km storm-relative helicity
634 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.

012 
WFUS54 KMOB 070822
TORMOB
ALC025-129-070900-
/O.NEW.KMOB.TO.W.0012.140407T0822Z-140407T0900Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
322 AM CDT MON APR 7 2014

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN CLARKE COUNTY IN SOUTHWEST ALABAMA...
  EAST CENTRAL WASHINGTON COUNTY IN SOUTHWEST ALABAMA...

* UNTIL 400 AM CDT

* AT 320 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 11 MILES SOUTH OF JACKSON...OR 8 MILES
  SOUTHEAST OF WAGARVILLE...MOVING NORTHEAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  WHATLEY...            JACKSON...            GROVE HILL...
  FULTON...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM CDT MONDAY MORNING FOR
SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST MISSISSIPPI.

&&

LAT...LON 3175 8752 3170 8751 3169 8757 3156 8757
      3128 8788 3137 8801 3187 8768
TIME...MOT...LOC 0822Z 219DEG 41KT 3137 8791

$$
2 follow-up statements
810 
WWUS54 KMOB 070836
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
336 AM CDT MON APR 7 2014

ALC129-070846-
/O.CAN.KMOB.TO.W.0012.000000T0000Z-140407T0900Z/
WASHINGTON AL-
336 AM CDT MON APR 7 2014

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

AT 334 AM CDT...THE STORM THAT PROMPTED THE WARNING FOR EAST CENTRAL 
WASHINGTON COUNTY HAS MOVED OUT OF THE COUNTY...THUS THE TORNADO 
WARNING HAS BEEN CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM CDT MONDAY MORNING FOR
SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST MISSISSIPPI.

LAT...LON 3175 8752 3170 8751 3169 8757 3156 8757
      3142 8774 3149 8786 3187 8768
TIME...MOT...LOC 0836Z 222DEG 44KT 3150 8776

$$

ALC025-070900-
/O.CON.KMOB.TO.W.0012.000000T0000Z-140407T0900Z/
CLARKE AL-
336 AM CDT MON APR 7 2014

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 AM CDT FOR EASTERN
CLARKE COUNTY...

AT 334 AM CDT...A SEVERE THUNDERSTORM WITH STRONG ROTATION AND LIKELY
PRODUCING A TORNADO  WAS LOCATED 7 MILES EAST OF JACKSON...OR 12
MILES EAST OF LEROY...MOVING NORTHEAST AT 50 MPH.

LOCATIONS IMPACTED INCLUDE...
  WHATLEY...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM CDT MONDAY MORNING FOR
SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST MISSISSIPPI.

&&

LAT...LON 3175 8752 3170 8751 3169 8757 3156 8757
      3142 8774 3149 8786 3187 8768
TIME...MOT...LOC 0836Z 222DEG 44KT 3150 8776

$$
226 
WWUS54 KMOB 070853
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
353 AM CDT MON APR 7 2014

ALC025-070903-
/O.EXP.KMOB.TO.W.0012.000000T0000Z-140407T0900Z/
CLARKE AL-
353 AM CDT MON APR 7 2014

...THE TORNADO WARNING HAS BEEN ALLOWED TO EXPIRE FOR EASTERN CLARKE
COUNTY...

AT 352 AM CDT...THE STORM THAT PROMPTED THE WARNING FOR EASTERN
CLARKE COUNTY HAS WEAKENED TO BELOW SEVERE LIMITS...THUS THE TORNADO
WARNING WILL BE ALLOWED TO EXPIRE AT 400 AM CDT.

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

ALTHOUGH THIS WARNING HAS EXPIRED...ADDITIONAL STORMS MAY DEVELOP
REQUIRING NEW WARNINGS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM CDT MONDAY MORNING FOR
SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST MISSISSIPPI.

LAT...LON 3175 8752 3170 8751 3169 8757 3156 8757
      3142 8774 3149 8786 3187 8768
TIME...MOT...LOC 0853Z 222DEG 44KT 3165 8760

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 6, 7:16 PM CDTSevere Thunderstorm WarningMOBButler, Crenshaw74 min
Apr 6, 7:36 PM CDTSevere Thunderstorm WarningMOBButler, Crenshaw24 min
Apr 6, 8:01 PM CDTSevere Thunderstorm WarningMOBCrenshaw14 min
Apr 6, 11:30 PM CDTAreal Flood WarningMOBButler, Choctaw, Clarke, Conecuh, Covington, Crenshaw and 3 more12 hr
Apr 7, 3:50 AM CDTFlash Flood WarningMOBChoctaw, Clarke, Conecuh, Monroe, Washington, Wilcox4 hr
Apr 7, 3:50 AM CDTTornado WarningMOBMonroe, Wilcox40 min
Apr 7, 4:41 AM CDTTornado WarningMOBBaldwin, Clarke, Mobile, Monroe49 min
Apr 7, 4:58 AM CDTSevere Thunderstorm WarningMOBButler62 min
Apr 7, 5:23 AM CDTSevere Thunderstorm WarningMOBMobile52 min
Apr 7, 5:41 AM CDTAreal Flood AdvisoryMOBBaldwin, Clarke, Mobile, Washington2 hr
Apr 7, 6:08 AM CDTFlash Flood WarningMOBBaldwin, Clarke, Mobile, Washington112 min
Apr 7, 6:10 AM CDTTornado WarningMOBButler, Conecuh, Monroe50 min
Apr 7, 6:16 AM CDTSevere Thunderstorm WarningMOBBaldwin, Conecuh, Escambia, Monroe44 min
Apr 7, 6:23 AM CDTSpecial Marine WarningMOB97 min
Apr 7, 6:30 AM CDTFlash Flood WarningMOBBaldwin, Clarke, Conecuh, Escambia, Monroe2 hr
Apr 7, 6:43 AM CDTSevere Thunderstorm WarningMOBButler, Conecuh, Covington, Crenshaw, Escambia, Monroe47 min
Apr 7, 6:49 AM CDTSevere Thunderstorm WarningMOBBaldwin, Escambia56 min
Apr 7, 7:36 AM CDTSpecial Marine WarningMOB84 min
Apr 7, 8:04 AM CDTAreal Flood AdvisoryMOBBaldwin, Escambia, Mobile116 min
Apr 7, 8:20 AM CDTSevere Thunderstorm WarningMOBCovington, Escambia55 min
Apr 7, 8:28 AM CDTAreal Flood AdvisoryMOBBaldwin, Covington, Crenshaw, Escambia2 hr
Apr 7, 8:35 AM CDTSpecial Marine WarningMOB55 min
Apr 7, 8:40 AM CDTSevere Thunderstorm WarningMOBCovington65 min
Apr 7, 8:56 AM CDTSpecial Marine WarningMOB94 min
Apr 7, 9:29 AM CDTSpecial Marine WarningMOB91 min
Apr 7, 10:45 AM CDTSpecial Marine WarningMOB60 min
Apr 7, 12:26 PM CDTRiver Flood WarningMOBEscambia6 days

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.