Alert archive / Alabama / Tornado Warnings in 2020

Tornado Warning 66, NWS Mobile, AL

October 10, 2020Mobile County, Alabama

NWS Mobile, AL issued this tornado warning at Oct 10, 2020, 5:17 AM CDT for Mobile County, Alabama. It was in force for 28 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 10, 2020, 5:17 AM CDT (10:17 UTC)
Expired: Oct 10, 2020, 5:45 AM CDT
In force: 28 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Tornado: Observed
Hail: 0.75 in

County Mobile County, AL

The radar

The Mobile radar (KMOB), 23 km from the middle of the area, began a volume at 10:18 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.

Issued	Product	Office	Lasted
Oct 10, 4:00 AM CDT	Tornado Watch	SPC	10 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 10.3 hours before the alert went out and 169 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: 778 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 649 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 402 m²/s²
0-3 km storm-relative helicity: 470 m²/s²
Significant tornado parameter: 2.1
Supercell composite: 9.7

Open this sounding in Storm Lab

The text

As transmitted.

806 
WFUS54 KMOB 101017
TORMOB
ALC097-101045-
/O.NEW.KMOB.TO.W.0066.201010T1017Z-201010T1045Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
517 AM CDT Sat Oct 10 2020

The National Weather Service in Mobile has issued a

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

* Until 545 AM CDT.
    
* At 517 AM CDT, a tornado producing storm was located near Midtown
  Mobile, moving north at 45 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...
  Midtown Mobile around 520 AM CDT.
  Prichard and I65 And I165 around 525 AM CDT.
  Chickasaw and I65 And AL 158 around 530 AM CDT.
  Saraland and Satsuma around 535 AM CDT.
  Creola around 540 AM CDT.
  Axis around 545 AM 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 3065 8822 3095 8814 3096 8804 3089 8797
      3089 8798 3088 8798 3088 8797 3086 8798
      3063 8814
TIME...MOT...LOC 1017Z 200DEG 41KT 3066 8818 

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

$$

Black

2 follow-up statements

011 
WWUS54 KMOB 101025
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
525 AM CDT Sat Oct 10 2020

ALC097-101045-
/O.CON.KMOB.TO.W.0066.000000T0000Z-201010T1045Z/
Mobile AL-
525 AM CDT Sat Oct 10 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 AM CDT FOR CENTRAL
MOBILE COUNTY...
    
At 525 AM CDT, a severe thunderstorm capable of producing a tornado
was located over I65 And I165, or near Prichard, moving north at 45
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...
  I65 And AL 158 around 530 AM CDT.
  Saraland and Satsuma around 535 AM CDT.
  Creola around 540 AM CDT.
  Axis around 545 AM 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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3072 8820 3095 8814 3096 8804 3089 8797
      3088 8798 3087 8798 3088 8797 3086 8798
      3069 8812
TIME...MOT...LOC 1025Z 200DEG 41KT 3075 8814 

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

$$

Black

675 
WWUS54 KMOB 101033
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
533 AM CDT Sat Oct 10 2020

ALC097-101045-
/O.CON.KMOB.TO.W.0066.000000T0000Z-201010T1045Z/
Mobile AL-
533 AM CDT Sat Oct 10 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 AM CDT FOR EAST
CENTRAL MOBILE COUNTY...
    
At 533 AM CDT, a severe thunderstorm capable of producing a tornado
was located over Saraland, moving north at 45 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...
  Axis around 545 AM 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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3082 8817 3095 8814 3096 8804 3089 8797
      3088 8798 3086 8798 3078 8805
TIME...MOT...LOC 1033Z 200DEG 41KT 3084 8810 

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

$$

Black

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 10, 1:36 AM CDT	Special Marine Warning	MOB		24 min
Oct 10, 3:26 AM CDT	Special Marine Warning	MOB		47 min
Oct 10, 4:43 AM CDT	Special Marine Warning	MOB		92 min
Oct 10, 4:53 AM CDT	Severe Thunderstorm Warning	MOB	Mobile	37 min
Oct 10, 5:00 AM CDT	Special Marine Warning	MOB		30 min
Oct 10, 5:00 AM CDT	Tornado Warning	MOB	Mobile	30 min
Oct 10, 5:21 AM CDT	Special Marine Warning	MOB		39 min
Oct 10, 5:28 AM CDT	Tornado Warning	MOB	Mobile	17 min
Oct 10, 5:42 AM CDT	Tornado Warning	MOB	Baldwin, Clarke, Mobile	18 min
Oct 10, 5:44 AM CDT	Tornado Warning	MOB	Baldwin	31 min
Oct 10, 5:57 AM CDT	Tornado Warning	MOB	Clarke, Mobile, Washington	12 min
Oct 10, 6:01 AM CDT	Tornado Warning	MOB	Covington	44 min
Oct 10, 6:13 AM CDT	Special Marine Warning	MOB		2 hr
Oct 10, 9:03 AM CDT	Special Marine Warning	MOB		117 min
Oct 10, 9:10 AM CDT	River Flood Warning	MOB	Mobile	11 hr
Oct 10, 11:15 AM CDT	Special Marine Warning	MOB		90 min
Oct 10, 12:43 PM CDT	Special Marine Warning	MOB		92 min
Oct 10, 2:15 PM CDT	Special Marine Warning	MOB		60 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.