Alert archive / Alabama / Tornado Warnings in 2020

Tornado Warning 54, NWS Mobile, AL

June 24, 2020Clarke County, Mobile County, Washington County, Alabama

NWS Mobile, AL issued this tornado warning at Jun 24, 2020, 1:45 PM CDT for Clarke County, Mobile County, Washington County, Alabama. It was in force for 30 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
Jun 24, 2020, 1:45 PM CDT (18:45 UTC)
Expired
Jun 24, 2020, 2:15 PM CDT
In force
30 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Tornado
Observed
Hail
0.75 in

Counties Clarke County, AL, Mobile County, AL, Washington County, AL

The radar

The Mobile radar (KMOB), 70 km from the middle of the area, began a volume at 18:48 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
Jun 24, 1:36 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 6.8 hours before the alert went out and 203 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, Slidell Radar S, LA at 12:00Z on 2020-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1752 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, Slidell Radar S, LA at 12:00Z on 2020-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 243 square meters per square second.193958Sfc1 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
1752 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
599 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
243 m²/s²
0-3 km storm-relative helicity
286 m²/s²
Significant tornado parameter
1.3
Supercell composite
8.3

Open this sounding in Storm Lab

The text

As transmitted.

761 
WFUS54 KMOB 241845
TORMOB
ALC025-097-129-241945-
/O.NEW.KMOB.TO.W.0054.200624T1845Z-200624T1945Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
145 PM CDT Wed Jun 24 2020

The National Weather Service in Mobile has issued a

* Tornado Warning for...
  Northwestern Mobile County in southwestern Alabama...
  Southeastern Washington County in southwestern Alabama...
  South central Clarke County in southwestern Alabama...

* Until 245 PM CDT.
    
* At 145 PM CDT, a tornado producing storm was located 5 miles west
  of Gulfcrest, or 10 miles southwest of Citronelle, moving northeast
  at 40 mph.

  HAZARD...Damaging tornado.

  SOURCE...Radar confirmed tornado.

  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 storm will be near...
  Gulfcrest around 155 PM CDT.
  Citronelle around 200 PM CDT.
  Calvert around 220 PM CDT.
  McIntosh around 225 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 3100 8843 3102 8843 3153 8788 3139 8771
      3134 8772 3133 8775 3134 8775 3137 8776
      3136 8777 3131 8779 3130 8776 3130 8779
      3127 8780 3128 8783 3123 8783 3123 8786
      3121 8785 3121 8787 3120 8787 3090 8830
TIME...MOT...LOC 1845Z 225DEG 35KT 3097 8833 

TORNADO...OBSERVED
HAIL...<.75IN

$$
1 follow-up statement
366 
WWUS54 KMOB 241915
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
215 PM CDT Wed Jun 24 2020

ALC025-097-129-241924-
/O.CAN.KMOB.TO.W.0054.000000T0000Z-200624T1945Z/
Mobile AL-Washington AL-Clarke AL-
215 PM CDT Wed Jun 24 2020

...THE TORNADO WARNING FOR NORTHWESTERN MOBILE...SOUTHEASTERN
WASHINGTON AND SOUTH CENTRAL CLARKE COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened and no longer 
appears capable of producing a tornado. Therefore, the warning has 
been cancelled.

A Severe Thunderstorm Watch remains in effect until 900 PM CDT for
south central and southwestern Alabama.

LAT...LON 3100 8843 3102 8843 3153 8788 3139 8771
      3134 8772 3133 8775 3134 8775 3137 8776
      3136 8777 3131 8779 3130 8776 3130 8779
      3127 8780 3128 8783 3123 8783 3123 8786
      3121 8785 3121 8787 3120 8787 3090 8830
TIME...MOT...LOC 1911Z 225DEG 35KT 3115 8812 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 23, 7:02 PM CDTSevere Thunderstorm WarningMOBClarke, Washington28 min
Jun 23, 7:11 PM CDTSpecial Weather StatementMOBChoctaw94 min
Jun 23, 8:34 PM CDTAreal Flood AdvisoryMOBChoctaw, Clarke, Washington3 hr
Jun 24, 11:53 AM CDTSevere Thunderstorm WarningMOBMobile, Washington37 min
Jun 24, 12:20 PM CDTSevere Thunderstorm WarningMOBClarke, Washington11 min
Jun 24, 12:33 PM CDTSpecial Weather StatementMOBClarke, Washington42 min
Jun 24, 12:46 PM CDTSpecial Marine WarningMOB89 min
Jun 24, 1:07 PM CDTSevere Thunderstorm WarningMOBClarke38 min
Jun 24, 1:09 PM CDTSevere Thunderstorm WarningMOBBaldwin, Mobile66 min
Jun 24, 1:19 PM CDTTornado WarningMOBBaldwin, Mobile56 min
Jun 24, 1:34 PM CDTSpecial Weather StatementMOBMonroe41 min
Jun 24, 1:34 PM CDTSevere Thunderstorm WarningMOBBaldwin, Clarke, Mobile, Washington56 min
Jun 24, 1:38 PM CDTSevere Thunderstorm WarningMOBConecuh52 min
Jun 24, 1:56 PM CDTTornado Warning Tornado observedMOBBaldwin, Clarke, Mobile, Monroe31 min
Jun 24, 2:08 PM CDTSevere Thunderstorm WarningMOBBaldwin, Escambia, Mobile52 min
Jun 24, 2:10 PM CDTSpecial Marine WarningMOB95 min
Jun 24, 2:11 PM CDTTornado WarningMOBBaldwin, Escambia50 min
Jun 24, 2:18 PM CDTSevere Thunderstorm WarningMOBBaldwin, Clarke, Escambia, Mobile, Monroe, Washington42 min
Jun 24, 2:33 PM CDTSpecial Weather StatementMOBButler42 min
Jun 24, 2:50 PM CDTSevere Thunderstorm WarningMOBButler, Clarke, Conecuh, Escambia, Monroe, Wilcox40 min
Jun 24, 2:56 PM CDTSevere Thunderstorm WarningMOBBaldwin, Escambia49 min
Jun 24, 3:26 PM CDTSevere Thunderstorm WarningMOBButler, Conecuh, Monroe, Wilcox49 min
Jun 24, 3:44 PM CDTSevere Thunderstorm WarningMOBConecuh, Covington, Escambia46 min
Jun 24, 3:48 PM CDTSpecial Marine WarningMOB60 min
Jun 24, 3:48 PM CDTSpecial Marine WarningMOB87 min
Jun 24, 3:54 PM CDTSevere Thunderstorm WarningMOBButler, Conecuh, Covington, Crenshaw66 min
Jun 24, 4:03 PM CDTSpecial Weather StatementMOBCovington42 min
Jun 24, 4:22 PM CDTSevere Thunderstorm WarningMOBButler, Covington, Crenshaw53 min
Jun 24, 5:51 PM CDTSpecial Marine WarningMOB84 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.