Alert archive / Alabama / Tornado Warnings in 2018

Tornado Warning 6, NWS Mobile, AL

April 22, 2018Butler County, Covington County, Crenshaw County, Alabama

NWS Mobile, AL issued this tornado warning at Apr 22, 2018, 2:09 PM CDT for Butler County, Covington County, Crenshaw County, Alabama. It was in force for 23 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 22, 2018, 2:09 PM CDT (19:09 UTC)
Expired
Apr 22, 2018, 2:32 PM CDT
In force
23 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Butler County, AL, Covington County, AL, Crenshaw County, AL

The radar

The Ft Rucker radar (KEOX), 88 km from the middle of the area, began a volume at 19:13 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

Birmingham, AL (KBMX), launched 12:00Z, 7.2 hours before the alert went out and 177 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 2018-04-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 29 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 2018-04-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 286 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
29 J/kg
Mixed-layer CIN
-102 J/kg
Mixed-layer LCL
562 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
286 m²/s²
0-3 km storm-relative helicity
264 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

844 
WFUS54 KMOB 221909
TORMOB
ALC013-039-041-222000-
/O.NEW.KMOB.TO.W.0006.180422T1909Z-180422T2000Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
209 PM CDT SUN APR 22 2018

The National Weather Service in Mobile has issued a

* Tornado Warning for...
  Southeastern Butler County in south central Alabama...
  Central Crenshaw County in south central Alabama...
  North central Covington County in south central Alabama...

* Until 300 PM CDT.
    
* At 209 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 7 miles north of Gantt, or 14 miles north of Andalusia,
  moving northeast at 25 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...
  Luverne and Rutledge around 250 PM CDT.

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 3148 8640 3147 8653 3156 8656 3184 8642
      3178 8615 3176 8614
TIME...MOT...LOC 1909Z 207DEG 23KT 3152 8650 

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

$$
2 follow-up statements
175 
WWUS54 KMOB 221923
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
223 PM CDT SUN APR 22 2018

ALC039-221933-
/O.CAN.KMOB.TO.W.0006.000000T0000Z-180422T2000Z/
Covington AL-
223 PM CDT SUN APR 22 2018

...THE TORNADO WARNING FOR NORTH CENTRAL COVINGTON COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

LAT...LON 3153 8640 3153 8650 3160 8653 3184 8642
      3178 8615 3175 8615
TIME...MOT...LOC 1923Z 207DEG 23KT 3160 8645 

$$

ALC013-041-222000-
/O.CON.KMOB.TO.W.0006.000000T0000Z-180422T2000Z/
Butler AL-Crenshaw AL-
223 PM CDT SUN APR 22 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM CDT FOR
SOUTHEASTERN BUTLER AND CENTRAL CRENSHAW COUNTIES...
    
At 223 PM CDT, a severe thunderstorm capable of producing a tornado
was located 9 miles northwest of Dozier, or 13 miles southwest of
Luverne, moving northeast at 25 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...
  Luverne and Rutledge around 250 PM CDT.

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 3153 8640 3153 8650 3160 8653 3184 8642
      3178 8615 3175 8615
TIME...MOT...LOC 1923Z 207DEG 23KT 3160 8645 

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

$$
859 
WWUS54 KMOB 221932
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
232 PM CDT SUN APR 22 2018

ALC013-041-221941-
/O.CAN.KMOB.TO.W.0006.000000T0000Z-180422T2000Z/
Butler AL-Crenshaw AL-
232 PM CDT SUN APR 22 2018

...THE TORNADO WARNING FOR SOUTHEASTERN BUTLER AND CENTRAL CRENSHAW
COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.

LAT...LON 3153 8640 3153 8650 3160 8653 3184 8642
      3178 8615 3175 8615
TIME...MOT...LOC 1929Z 207DEG 23KT 3165 8642 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 22, 12:14 PM CDTSpecial Weather StatementMOBClarke46 min
Apr 22, 12:26 PM CDTSpecial Weather StatementMOBMonroe19 min
Apr 22, 12:37 PM CDTSpecial Weather StatementMOBCovington38 min
Apr 22, 1:17 PM CDTSpecial Marine WarningMOB58 min
Apr 22, 1:26 PM CDTTornado WarningMOBEscambia34 min
Apr 22, 1:32 PM CDTSpecial Marine WarningMOB43 min
Apr 22, 1:43 PM CDTSpecial Weather StatementMOBCrenshaw47 min
Apr 22, 1:47 PM CDTTornado WarningMOBCrenshaw28 min
Apr 22, 1:53 PM CDTSevere Thunderstorm WarningMOBEscambia37 min
Apr 22, 1:57 PM CDTTornado WarningMOBEscambia33 min
Apr 22, 2:05 PM CDTSpecial Marine WarningMOB55 min
Apr 22, 2:07 PM CDTSpecial Marine WarningMOB53 min
Apr 22, 2:10 PM CDTSpecial Marine WarningMOB65 min
Apr 22, 2:11 PM CDTTornado Warning Tornado observedMOBCrenshaw19 min
Apr 22, 2:29 PM CDTTornado WarningMOBConecuh, Covington, Escambia13 min
Apr 22, 2:50 PM CDTSpecial Marine WarningMOB55 min
Apr 22, 2:55 PM CDTSpecial Marine WarningMOB65 min
Apr 22, 3:02 PM CDTSpecial Marine WarningMOB58 min
Apr 22, 3:07 PM CDTSpecial Marine WarningMOB38 min
Apr 22, 3:25 PM CDTTornado WarningMOBBaldwin35 min
Apr 22, 3:44 PM CDTSpecial Marine WarningMOB61 min
Apr 22, 4:18 PM CDTSpecial Marine WarningMOB27 min
Apr 22, 4:59 PM CDTSpecial Weather StatementMOBChoctaw46 min
Apr 22, 5:08 PM CDTSpecial Weather StatementMOBEscambia37 min
Apr 22, 5:44 PM CDTSpecial Weather StatementMOBChoctaw46 min
Apr 22, 6:00 PM CDTSevere Thunderstorm WarningMOBChoctaw, Clarke22 min
Apr 22, 6:46 PM CDTSpecial Weather StatementMOBWilcox29 min

Nearby

Tornado Warnings in Alabama, 2018Every tornado warning in 2018Tornadoes in 2018

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.