Alert archive / Alabama / Tornado Warnings in 2020

Tornado Warning 82, NWS Mobile, AL

December 24, 2020Baldwin County, Escambia County, Monroe County, Alabama

NWS Mobile, AL issued this tornado warning at Dec 24, 2020, 2:31 AM CST for Baldwin County, Escambia County, Monroe County, Alabama. It was in force for 29 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
Dec 24, 2020, 2:31 AM CST (08:31 UTC)
Expired
Dec 24, 2020, 3:00 AM CST
In force
29 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Baldwin County, AL, Escambia County, AL, Monroe County, AL

The radar

The Mobile radar (KMOB), 72 km from the middle of the area, began a volume at 08:34 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
Dec 24, 1:42 AM CSTTornado WatchSPC7 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 8.5 hours before the alert went out and 215 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 00:00Z on 2020-12-24Temperature 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, Slidell Radar S, LA at 00:00Z on 2020-12-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 273 square meters per square second.1939587897Sfc1 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
-49 J/kg
Mixed-layer LCL
705 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
273 m²/s²
0-3 km storm-relative helicity
337 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

448 
WFUS54 KMOB 240831
TORMOB
ALC003-053-099-240915-
/O.NEW.KMOB.TO.W.0082.201224T0831Z-201224T0915Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
231 AM CST Thu Dec 24 2020

The National Weather Service in Mobile has issued a

* Tornado Warning for...
  Southern Monroe County in south central Alabama...
  North central Baldwin County in southwestern Alabama...
  Northwestern Escambia County in south central Alabama...

* Until 315 AM CST.
    
* At 230 AM CST, a severe thunderstorm capable of producing a tornado
  was located 8 miles northeast of Stockton, or 14 miles north of Bay
  Minette, moving northeast at 35 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
  southern Monroe, north central Baldwin and northwestern Escambia
  Counties.

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 3102 8779 3106 8784 3134 8761 3123 8747
TIME...MOT...LOC 0830Z 221DEG 33KT 3109 8777 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$
3 follow-up statements
403 
WWUS54 KMOB 240841
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
241 AM CST Thu Dec 24 2020

ALC003-053-099-240915-
/O.CON.KMOB.TO.W.0082.000000T0000Z-201224T0915Z/
Monroe AL-Baldwin AL-Escambia AL-
241 AM CST Thu Dec 24 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 AM CST FOR SOUTHERN
MONROE...NORTH CENTRAL BALDWIN AND NORTHWESTERN ESCAMBIA COUNTIES...
    
At 241 AM CST, a severe thunderstorm capable of producing a tornado
was located 9 miles northwest of Poarch Creek Reservation, or 15
miles northwest of Atmore, moving northeast at 40 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
southern Monroe, north central Baldwin and northwestern Escambia
Counties.

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 3111 8771 3115 8775 3134 8761 3123 8747
      3118 8755
TIME...MOT...LOC 0841Z 221DEG 35KT 3117 8770 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$
543 
WWUS54 KMOB 240854
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
254 AM CST Thu Dec 24 2020

ALC003-053-240903-
/O.CAN.KMOB.TO.W.0082.000000T0000Z-201224T0915Z/
Baldwin AL-Escambia AL-
254 AM CST Thu Dec 24 2020

...THE TORNADO WARNING FOR NORTH CENTRAL BALDWIN AND NORTHWESTERN
ESCAMBIA COUNTIES IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 1100 AM CST for south central
and southwestern Alabama.

LAT...LON 3127 8752 3126 8752 3123 8757 3124 8759
      3124 8764 3125 8766 3126 8767 3134 8761
TIME...MOT...LOC 0853Z 219DEG 34KT 3126 8762 

$$

ALC099-240915-
/O.CON.KMOB.TO.W.0082.000000T0000Z-201224T0915Z/
Monroe AL-
254 AM CST Thu Dec 24 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 AM CST FOR SOUTHERN
MONROE COUNTY...
    
At 253 AM CST, a severe thunderstorm capable of producing a tornado
was located 7 miles southwest of Uriah, or 17 miles southwest of
Frisco City, moving northeast at 40 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
southern Monroe County.

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 3127 8752 3126 8752 3123 8757 3124 8759
      3124 8764 3125 8766 3126 8767 3134 8761
TIME...MOT...LOC 0853Z 219DEG 34KT 3126 8762 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$
333 
WWUS54 KMOB 240900
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
300 AM CST Thu Dec 24 2020

ALC099-240910-
/O.CAN.KMOB.TO.W.0082.000000T0000Z-201224T0915Z/
Monroe AL-
300 AM CST Thu Dec 24 2020

...THE TORNADO WARNING FOR SOUTHERN MONROE COUNTY IS CANCELLED...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled.

A Tornado Watch remains in effect until 1100 AM CST for south central
and southwestern Alabama.

LAT...LON 3127 8752 3126 8752 3123 8757 3124 8759
      3124 8764 3125 8766 3126 8767 3134 8761
TIME...MOT...LOC 0859Z 221DEG 33KT 3131 8757 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 24, 4:54 AM CSTSpecial Marine WarningMOB47 min
Dec 24, 8:54 AM CSTSpecial Marine WarningMOB17 min
Dec 24, 9:10 AM CSTSpecial Marine WarningMOB65 min
Dec 24, 10:15 AM CSTSpecial Marine WarningMOB15 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.