Alert archive / Alabama / Tornado Warnings in 2020

Tornado Warning 18, NWS Mobile, AL

April 12, 2020Wilcox County, Alabama

NWS Mobile, AL issued this tornado warning at Apr 12, 2020, 9:38 PM CDT for Wilcox County, Alabama. It was in force for 52 min. 4 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Apr 12, 2020, 9:38 PM CDT (02:38 UTC)
Expired
Apr 12, 2020, 10:30 PM CDT
In force
52 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Wilcox County, AL

The radar

The Birmingham radar (KBMX), 132 km from the middle of the area, began a volume at 02:37 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.

What was reported inside it

TimeReportWhereRemark
Apr 12, 9:40 PM CDTTSTM WND DMG1 Wnw Anne Marie, ALMOBILE HOME SUSTAINED SIGNIFICANT STRUCTURAL DAMAGE.
Apr 12, 9:44 PM CDTTORNADO3 Wnw Anne Marie, ALTHE TORNADO ENTERED WILCOX COUNTY FROM MARENGO COUNTY JUST SOUTHWEST OF COUNTY ROAD 32 AND LIFTED NEAR COUNTY ROAD 30. THE MOST SIGNIFICANT DAMAGE OCCURRED ALONG COUNTY ROAD 32 WHERE NUMEROUS PINE TREES WERE SNAPPED. A MOBILE HOME WAS HEAVILY DAMAGED BY A LARG
Apr 12, 10:00 PM CDTTSTM WND DMG3 Nw Boykin, ALNUMEROUS TREES DOWN REPORTED TO EMA OVER THE NORTHERN PART OF WILCOX CO., AL.
Apr 12, 10:00 PM CDTTSTM WND DMGCamden, ALTREE DAMAGE TO MOBILE HOME REPORTED.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 12, 4:38 PM CDTTornado Watch PDSSPC7 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 2.6 hours before the alert went out and 133 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 2020-04-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 533 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 00:00Z on 2020-04-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 401 square meters per square second.1939587897117Sfc1 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
533 J/kg
Mixed-layer CIN
-55 J/kg
Mixed-layer LCL
847 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
401 m²/s²
0-3 km storm-relative helicity
509 m²/s²
Significant tornado parameter
1.4
Supercell composite
8.4

Open this sounding in Storm Lab

The text

As transmitted.

288 
WFUS54 KMOB 130238
TORMOB
ALC131-130330-
/O.NEW.KMOB.TO.W.0018.200413T0238Z-200413T0330Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
938 PM CDT Sun Apr 12 2020

The National Weather Service in Mobile has issued a

* Tornado Warning for...
  Central Wilcox County in south central Alabama...

* Until 1030 PM CDT.
    
* At 938 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Shawnee, or 6 miles northeast of Thomasville,
  moving east at 60 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...
  Yellow Bluff around 950 PM CDT.
  Camden around 1000 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 3214 8728 3214 8725 3212 8726 3208 8719
      3205 8718 3205 8693 3196 8691 3196 8767
      3200 8767 3201 8762 3213 8762 3213 8752
      3216 8752 3220 8733
TIME...MOT...LOC 0238Z 266DEG 54KT 3200 8768 

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

$$
2 follow-up statements
099 
WWUS54 KMOB 130304
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
1004 PM CDT Sun Apr 12 2020

ALC131-130330-
/O.CON.KMOB.TO.W.0018.000000T0000Z-200413T0330Z/
Wilcox AL-
1004 PM CDT Sun Apr 12 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT FOR CENTRAL
WILCOX COUNTY...
    
At 1003 PM CDT, a severe thunderstorm capable of producing a tornado
was located 7 miles southwest of Dannelly Reservoir, or 7 miles north
of Camden, moving east at 45 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 tornadic thunderstorm will remain over mainly rural areas of
central Wilcox County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This cluster of thunderstorms is capable of producing tornadoes and 
widespread significant wind damage. Do not wait to see or hear the 
tornado. For your protection move to an interior room on the lowest 
floor of a building.

&&

LAT...LON 3214 8725 3212 8726 3208 8719 3205 8718
      3205 8693 3196 8691 3196 8750 3203 8750
      3210 8746 3217 8747 3220 8733 3214 8728
TIME...MOT...LOC 0303Z 251DEG 41KT 3210 8731 

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

$$
192 
WWUS54 KMOB 130321
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
1021 PM CDT Sun Apr 12 2020

ALC131-130330-
/O.EXP.KMOB.TO.W.0018.000000T0000Z-200413T0330Z/
Wilcox AL-
1021 PM CDT Sun Apr 12 2020

...THE TORNADO WARNING FOR CENTRAL WILCOX COUNTY WILL EXPIRE AT 1030
PM CDT...
    
The tornado threat has diminished. Damaging winds remain likely and 
a Severe Thunderstorm Warning remains in effect for the area.

A Tornado Watch remains in effect until midnight CDT for south
central Alabama.

LAT...LON 3214 8725 3212 8726 3208 8719 3205 8718
      3205 8693 3196 8691 3196 8750 3203 8750
      3210 8746 3217 8747 3220 8733 3214 8728
TIME...MOT...LOC 0320Z 266DEG 54KT 3212 8702 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 12, 8:46 PM CDTSevere Thunderstorm WarningMOBChoctaw, Clarke, Washington44 min
Apr 12, 8:58 PM CDTTornado WarningMOBChoctaw, Clarke, Washington47 min
Apr 12, 9:13 PM CDTSevere Thunderstorm WarningMOBChoctaw, Clarke, Monroe, Washington, Wilcox47 min
Apr 12, 9:30 PM CDTSevere Thunderstorm WarningMOBClarke, Washington45 min
Apr 12, 9:43 PM CDTTornado WarningMOBClarke, Monroe, Wilcox35 min
Apr 12, 9:43 PM CDTTornado WarningMOBWilcox32 min
Apr 12, 9:47 PM CDTSevere Thunderstorm WarningMOBMobile, Washington43 min
Apr 12, 10:04 PM CDTSevere Thunderstorm WarningMOBWashington41 min
Apr 12, 10:06 PM CDTSevere Thunderstorm WarningMOBClarke, Washington39 min
Apr 12, 10:14 PM CDTSevere Thunderstorm WarningMOBButler, Clarke, Monroe, Wilcox46 min
Apr 12, 10:32 PM CDTSevere Thunderstorm WarningMOBBaldwin, Clarke, Conecuh, Escambia, Mobile, Monroe and 1 more43 min
Apr 12, 10:34 PM CDTSevere Thunderstorm WarningMOBClarke, Conecuh, Monroe56 min
Apr 12, 10:59 PM CDTSpecial Weather StatementMOBWilcox46 min
Apr 12, 11:32 PM CDTSpecial Weather StatementMOBButler, Conecuh, Crenshaw, Monroe43 min
Apr 12, 11:58 PM CDTSevere Thunderstorm WarningMOBButler, Crenshaw47 min
Apr 13, 12:41 AM CDTSpecial Marine WarningMOB64 min
Apr 13, 1:12 AM CDTSpecial Weather StatementMOBCovington48 min
Apr 13, 1:58 AM CDTSpecial Marine WarningMOB62 min
Apr 13, 2:14 AM CDTSpecial Marine WarningMOB20 min
Apr 13, 2:52 AM CDTSpecial Marine WarningMOB68 min

Nearby

Tornado Warnings in Alabama, 2020Every tornado warning in 2020Tornadoes in 2020

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.