Alert archive / Alabama / Tornado Warnings in 2021

Tornado Warning 64, NWS Mobile, AL

October 27, 2021Mobile County, Alabama

NWS Mobile, AL issued this tornado warning at Oct 27, 2021, 8:53 PM CDT for Mobile County, Alabama. It was in force for 35 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 27, 2021, 8:53 PM CDT (01:53 UTC)
Expired
Oct 27, 2021, 9:28 PM CDT
In force
35 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Mobile County, AL

The radar

The Mobile radar (KMOB), 31 km from the middle of the area, began a volume at 01:55 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 27, 7:21 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 1.9 hours before the alert went out and 130 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 2021-10-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1392 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 2021-10-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 216 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
1392 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
520 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
216 m²/s²
0-3 km storm-relative helicity
253 m²/s²
Significant tornado parameter
1.5
Supercell composite
8.0

Open this sounding in Storm Lab

The text

As transmitted.

551 
WFUS54 KMOB 280153
TORMOB
ALC097-280245-
/O.NEW.KMOB.TO.W.0064.211028T0153Z-211028T0245Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
853 PM CDT Wed Oct 27 2021

The National Weather Service in Mobile has issued a

* Tornado Warning for...
  Southwestern Mobile County in southwestern Alabama...

* Until 945 PM CDT.
    
* At 853 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 5 miles west of Bayou La Batre, 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...
  Grand Bay around 900 PM CDT.
  Theodore around 920 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 3037 8840 3038 8841 3039 8841 3038 8840
      3056 8840 3055 8816 3035 8831
TIME...MOT...LOC 0153Z 214DEG 31KT 3039 8834 

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

$$
2 follow-up statements
658 
WWUS54 KMOB 280213
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
913 PM CDT Wed Oct 27 2021

ALC097-280245-
/O.CON.KMOB.TO.W.0064.000000T0000Z-211028T0245Z/
Mobile AL-
913 PM CDT Wed Oct 27 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 945 PM CDT FOR WEST
CENTRAL MOBILE COUNTY...
    
At 913 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Theodore, 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
west central Mobile 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 3048 8821 3049 8834 3056 8833 3055 8816
TIME...MOT...LOC 0213Z 218DEG 30KT 3055 8823 

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

$$
579 
WWUS54 KMOB 280228
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
928 PM CDT Wed Oct 27 2021

ALC097-280238-
/O.CAN.KMOB.TO.W.0064.000000T0000Z-211028T0245Z/
Mobile AL-
928 PM CDT Wed Oct 27 2021

...THE TORNADO WARNING FOR WEST CENTRAL MOBILE COUNTY IS CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 100 AM CDT for southwestern
Alabama.

LAT...LON 3048 8821 3049 8834 3056 8833 3055 8816
TIME...MOT...LOC 0227Z 214DEG 31KT 3066 8814 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 27, 8:34 PM CDTSpecial Marine WarningMOB86 min
Oct 27, 8:46 PM CDTAreal Flood AdvisoryMOBMobile3 hr
Oct 27, 8:59 PM CDTSpecial Weather StatementMOBMobile46 min
Oct 27, 9:08 PM CDTTornado WarningMOBMobile25 min
Oct 27, 9:16 PM CDTSpecial Marine WarningMOB59 min
Oct 27, 9:38 PM CDTSpecial Weather StatementMOBMobile52 min
Oct 27, 9:43 PM CDTSpecial Marine WarningMOB92 min
Oct 27, 9:55 PM CDTAreal Flood AdvisoryMOBBaldwin, Escambia3 hr
Oct 27, 10:11 PM CDTSpecial Marine WarningMOB94 min
Oct 27, 10:56 PM CDTSpecial Marine WarningMOB49 min
Oct 27, 11:14 PM CDTSpecial Marine WarningMOB91 min
Oct 27, 11:36 PM CDTSpecial Marine WarningMOB84 min
Oct 28, 12:58 AM CDTSpecial Marine WarningMOB62 min
Oct 28, 1:54 AM CDTSpecial Marine WarningMOB51 min
Oct 28, 2:44 AM CDTSpecial Marine WarningMOB16 min
Oct 28, 7:51 AM CDTHigh Wind WarningMOBBaldwin, Mobile26 hr
Oct 28, 7:51 AM CDTWind AdvisoryMOBBaldwin, Covington, Escambia, Mobile31 hr

Nearby

Tornado Warnings in Alabama, 2021Every tornado warning in 2021Tornadoes in 2021

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.