Alert archive / Alabama / Tornado Warnings in 2014

Tornado Warning 14, NWS Mobile, AL

April 7, 20144 counties in Alabama

NWS Mobile, AL issued this tornado warning at Apr 7, 2014, 4:41 AM CDT for 4 counties in Alabama. It was in force for 49 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, 4:41 AM CDT (09:41 UTC)
Expired: Apr 7, 2014, 5:30 AM CDT
In force: 49 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon

Counties Baldwin County, AL, Clarke County, AL, Mobile County, AL, Monroe County, AL

The radar

The Mobile radar (KMOB), 66 km from the middle of the area, began a volume at 09:43 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.

Issued	Product	Office	Lasted
Apr 7, 1:16 AM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 9.7 hours before the alert went out and 204 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1102 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 542 m above ground
0-6 km bulk shear: 62 kt
0-1 km storm-relative helicity: 330 m²/s²
0-3 km storm-relative helicity: 422 m²/s²
Significant tornado parameter: 2.7
Supercell composite: 11.7

Open this sounding in Storm Lab

The text

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

118 
WFUS54 KMOB 070941
TORMOB
ALC003-025-097-099-071030-
/O.NEW.KMOB.TO.W.0014.140407T0941Z-140407T1030Z/

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

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN MONROE COUNTY IN SOUTH CENTRAL ALABAMA...
  NORTHWESTERN BALDWIN COUNTY IN SOUTHWEST ALABAMA...
  SOUTHEASTERN CLARKE COUNTY IN SOUTHWEST ALABAMA...
  NORTHEASTERN MOBILE COUNTY IN SOUTHWEST ALABAMA...

* UNTIL 530 AM CDT

* AT 438 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 9 MILES NORTH OF CREOLA...OR NEAR BUCKS...
  MOVING NORTHEAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MOVICO...             MOUNT VERNON...       CALVERT...
  BUCKS...              URIAH...

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 3091 8801 3104 8815 3115 8804 3115 8802
      3117 8799 3116 8797 3116 8794 3124 8794
      3151 8765 3133 8739 3123 8755 3124 8761
      3118 8762
TIME...MOT...LOC 0941Z 228DEG 45KT 3105 8799

$$

2 follow-up statements

792 
WWUS54 KMOB 070956
SVSMOB

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

ALC097-071005-
/O.CAN.KMOB.TO.W.0014.000000T0000Z-140407T1030Z/
MOBILE AL-
456 AM CDT MON APR 7 2014

...THE TORNADO WARNING HAS BEEN CANCELLED FOR NORTHEASTERN MOBILE
COUNTY...

AT 452 AM CDT...THE STORM THAT PROMPTED THE WARNING FOR NORTHEASTERN 
MOBILE 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 3133 8739 3124 8762 3121 8766 3112 8782
      3114 8793 3116 8794 3122 8794 3123 8793
      3124 8794 3151 8765
TIME...MOT...LOC 0955Z 232DEG 40KT 3120 8781

$$

ALC003-025-099-071030-
/O.CON.KMOB.TO.W.0014.000000T0000Z-140407T1030Z/
MONROE AL-CLARKE AL-BALDWIN AL-
456 AM CDT MON APR 7 2014

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 AM CDT FOR
NORTHWESTERN BALDWIN...SOUTHEASTERN CLARKE AND SOUTHWESTERN MONROE
COUNTIES...

AT 452 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 
WAS LOCATED 21 MILES NORTH OF BAY MINETTE...OR 10 MILES EAST OF
MALCOLM...MOVING NORTHEAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  URIAH...

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 3133 8739 3124 8762 3121 8766 3112 8782
      3114 8793 3116 8794 3122 8794 3123 8793
      3124 8794 3151 8765
TIME...MOT...LOC 0955Z 232DEG 40KT 3120 8781

$$

827 
WWUS54 KMOB 071007
SVSMOB

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

ALC003-025-099-071018-
/O.CAN.KMOB.TO.W.0014.000000T0000Z-140407T1030Z/
MONROE AL-CLARKE AL-BALDWIN AL-
507 AM CDT MON APR 7 2014

...THE TORNADO WARNING HAS BEEN CANCELLED FOR NORTHWESTERN BALDWIN...
SOUTHEASTERN CLARKE AND SOUTHWESTERN MONROE COUNTIES...

AT 506 AM CDT...THE STORM THAT PROMPTED THE WARNING FOR NORTHWESTERN
BALDWIN...SOUTHEASTERN CLARKE AND SOUTHWESTERN MONROE COUNTIES HAS
WEAKENED TO BELOW SEVERE LIMITS...THUS THE TORNADO WARNING HAS BEEN
CANCELLED.

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

ALTHOUGH THIS WARNING HAS BEEN CANCELLED...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 3133 8739 3124 8762 3121 8766 3112 8782
      3114 8793 3116 8794 3122 8794 3123 8793
      3124 8794 3151 8765
TIME...MOT...LOC 1008Z 232DEG 40KT 3129 8768

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 6, 7:16 PM CDT	Severe Thunderstorm Warning	MOB	Butler, Crenshaw	74 min
Apr 6, 7:36 PM CDT	Severe Thunderstorm Warning	MOB	Butler, Crenshaw	24 min
Apr 6, 8:01 PM CDT	Severe Thunderstorm Warning	MOB	Crenshaw	14 min
Apr 6, 11:30 PM CDT	Areal Flood Warning	MOB	Butler, Choctaw, Clarke, Conecuh, Covington, Crenshaw and 3 more	12 hr
Apr 7, 3:22 AM CDT	Tornado Warning	MOB	Clarke, Washington	38 min
Apr 7, 3:50 AM CDT	Flash Flood Warning	MOB	Choctaw, Clarke, Conecuh, Monroe, Washington, Wilcox	4 hr
Apr 7, 3:50 AM CDT	Tornado Warning	MOB	Monroe, Wilcox	40 min
Apr 7, 4:58 AM CDT	Severe Thunderstorm Warning	MOB	Butler	62 min
Apr 7, 5:23 AM CDT	Severe Thunderstorm Warning	MOB	Mobile	52 min
Apr 7, 5:41 AM CDT	Areal Flood Advisory	MOB	Baldwin, Clarke, Mobile, Washington	2 hr
Apr 7, 6:08 AM CDT	Flash Flood Warning	MOB	Baldwin, Clarke, Mobile, Washington	112 min
Apr 7, 6:10 AM CDT	Tornado Warning	MOB	Butler, Conecuh, Monroe	50 min
Apr 7, 6:16 AM CDT	Severe Thunderstorm Warning	MOB	Baldwin, Conecuh, Escambia, Monroe	44 min
Apr 7, 6:23 AM CDT	Special Marine Warning	MOB		97 min
Apr 7, 6:30 AM CDT	Flash Flood Warning	MOB	Baldwin, Clarke, Conecuh, Escambia, Monroe	2 hr
Apr 7, 6:43 AM CDT	Severe Thunderstorm Warning	MOB	Butler, Conecuh, Covington, Crenshaw, Escambia, Monroe	47 min
Apr 7, 6:49 AM CDT	Severe Thunderstorm Warning	MOB	Baldwin, Escambia	56 min
Apr 7, 7:36 AM CDT	Special Marine Warning	MOB		84 min
Apr 7, 8:04 AM CDT	Areal Flood Advisory	MOB	Baldwin, Escambia, Mobile	116 min
Apr 7, 8:20 AM CDT	Severe Thunderstorm Warning	MOB	Covington, Escambia	55 min
Apr 7, 8:28 AM CDT	Areal Flood Advisory	MOB	Baldwin, Covington, Crenshaw, Escambia	2 hr
Apr 7, 8:35 AM CDT	Special Marine Warning	MOB		55 min
Apr 7, 8:40 AM CDT	Severe Thunderstorm Warning	MOB	Covington	65 min
Apr 7, 8:56 AM CDT	Special Marine Warning	MOB		94 min
Apr 7, 9:29 AM CDT	Special Marine Warning	MOB		91 min
Apr 7, 10:45 AM CDT	Special Marine Warning	MOB		60 min
Apr 7, 12:26 PM CDT	River Flood Warning	MOB	Escambia	6 days

Nearby

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