Alert archive / Alabama / Tornado Warnings in 2020

Tornado Warning 81, NWS Mobile, AL

November 29, 2020Baldwin County, Alabama

NWS Mobile, AL issued this tornado warning at Nov 29, 2020, 3:24 PM CST for Baldwin County, Alabama. It was in force for 36 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: Nov 29, 2020, 3:24 PM CST (21:24 UTC)
Expired: Nov 29, 2020, 4:00 PM CST
In force: 36 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

County Baldwin County, AL

The radar

The Mobile radar (KMOB), 72 km from the middle of the area, began a volume at 21:28 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

Slidell Radar S, LA (KSIL), launched 12:00Z, 9.4 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-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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 589 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 93 m²/s²
0-3 km storm-relative helicity: 292 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

593 
WFUS54 KMOB 292124
TORMOB
ALC003-292200-
/O.NEW.KMOB.TO.W.0081.201129T2124Z-201129T2200Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
324 PM CST Sun Nov 29 2020

The National Weather Service in Mobile has issued a

* Tornado Warning for...
  Southeastern Baldwin County in southwestern Alabama...

* Until 400 PM CST.
    
* At 324 PM CST, a severe thunderstorm capable of producing a tornado
  was located 4 miles east of Bon Secour, or 4 miles northeast of
  Gulf Shores, 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 dangerous storm will be near...
  Elberta around 335 PM CST.
  Lillian around 350 PM CST.

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 3027 8765 3030 8770 3050 8754 3041 8742
TIME...MOT...LOC 2124Z 227DEG 30KT 3031 8766 

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

$$

2 follow-up statements

637 
WWUS54 KMOB 292137
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
337 PM CST Sun Nov 29 2020

ALC003-292200-
/O.CON.KMOB.TO.W.0081.000000T0000Z-201129T2200Z/
Baldwin AL-
337 PM CST Sun Nov 29 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 PM CST FOR
SOUTHEASTERN BALDWIN COUNTY...
    
At 336 PM CST, a severe thunderstorm capable of producing a tornado
was located near Elberta, or 7 miles east of Foley, 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 dangerous storm will be near...
  Lillian around 350 PM CST.

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 3034 8757 3037 8761 3050 8754 3041 8742
TIME...MOT...LOC 2136Z 223DEG 29KT 3038 8756 

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

$$

539 
WWUS54 KMOB 292152
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
352 PM CST Sun Nov 29 2020

ALC003-292201-
/O.EXP.KMOB.TO.W.0081.000000T0000Z-201129T2200Z/
Baldwin AL-
352 PM CST Sun Nov 29 2020

...THE TORNADO WARNING FOR SOUTHEASTERN BALDWIN COUNTY WILL EXPIRE AT
400 PM CST...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.

LAT...LON 3034 8757 3037 8761 3050 8754 3041 8742
TIME...MOT...LOC 2151Z 225DEG 30KT 3045 8748 

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 29, 2:32 AM CST	Freeze Watch	MOB	Baldwin, Butler, Choctaw, Clarke, Conecuh, Covington and 6 more	21 hr
Nov 29, 2:50 PM CST	Special Marine Warning	MOB		25 min
Nov 29, 4:15 PM CST	Special Marine Warning	MOB		60 min
Nov 29, 5:13 PM CST	Special Weather Statement	MOB	Covington	32 min
Nov 29, 5:31 PM CST	Special Marine Warning	MOB		55 min
Nov 29, 5:33 PM CST	Special Marine Warning	MOB		117 min

Nearby

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