Alert archive / Alabama / Tornado Warnings in 2020

Tornado Warning 79, NWS Mobile, AL

October 28, 2020Baldwin County, Alabama

NWS Mobile, AL issued this tornado warning at Oct 28, 2020, 7:47 PM CDT for Baldwin County, Alabama. It was in force for 16 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
Oct 28, 2020, 7:47 PM CDT (00:47 UTC)
Expired
Oct 28, 2020, 8:03 PM CDT
In force
16 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Baldwin County, AL

The radar

The Mobile radar (KMOB), 47 km from the middle of the area, began a volume at 00:49 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
Oct 28, 1:03 PM CDTTornado WatchSPC11 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 0.8 hours before the alert went out and 194 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 2020-10-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 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 2020-10-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1145 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
89 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

018 
WFUS54 KMOB 290047
TORMOB
ALC003-290115-
/O.NEW.KMOB.TO.W.0079.201029T0047Z-201029T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
747 PM CDT Wed Oct 28 2020

The National Weather Service in Mobile has issued a

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

* Until 815 PM CDT.
    
* At 746 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Silverhill, or over Robertsdale, moving north at
  65 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...
  Stapleton around 800 PM CDT.
  Bay Minette around 805 PM CDT.
  I65 And AL 225 around 810 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 3053 8769 3052 8777 3085 8788 3096 8786
      3098 8775 3089 8768
TIME...MOT...LOC 0046Z 172DEG 54KT 3057 8774 

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

$$

Black
2 follow-up statements
876 
WWUS54 KMOB 290053
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
753 PM CDT Wed Oct 28 2020

ALC003-290115-
/O.CON.KMOB.TO.W.0079.000000T0000Z-201029T0115Z/
Baldwin AL-
753 PM CDT Wed Oct 28 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR CENTRAL
BALDWIN COUNTY...
    
At 753 PM CDT, a severe thunderstorm capable of producing a tornado
was located 4 miles north of Loxley, moving north 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...
  Bay Minette around 805 PM CDT.
  I65 And AL 225 around 810 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 3063 8770 3062 8779 3085 8788 3096 8786
      3098 8775 3089 8768
TIME...MOT...LOC 0053Z 172DEG 54KT 3068 8776 

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

$$

Black
218 
WWUS54 KMOB 290103
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
803 PM CDT Wed Oct 28 2020

ALC003-290113-
/O.CAN.KMOB.TO.W.0079.000000T0000Z-201029T0115Z/
Baldwin AL-
803 PM CDT Wed Oct 28 2020

...THE TORNADO WARNING FOR CENTRAL BALDWIN COUNTY 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.

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

LAT...LON 3063 8770 3062 8779 3085 8788 3096 8786
      3098 8775 3089 8768
TIME...MOT...LOC 0101Z 172DEG 54KT 3083 8778 

$$

Black

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 28, 7:11 PM CDTTornado WarningMOBEscambia16 min
Oct 28, 7:57 PM CDTSpecial Marine WarningMOB2 hr
Oct 28, 8:14 PM CDTSpecial Marine WarningMOB2 hr
Oct 28, 8:43 PM CDTFlash Flood WarningMOBChoctaw, Clarke, Mobile, Washington5 hr
Oct 28, 9:16 PM CDTSpecial Marine WarningMOB119 min
Oct 28, 9:26 PM CDTFlash Flood WarningMOBChoctaw, Clarke, Monroe, Wilcox5 hr
Oct 28, 10:49 PM CDTSpecial Marine WarningMOB116 min
Oct 29, 4:08 AM CDTSmall Craft AdvisoryMOB28 hr

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.