Alert archive / Alabama / Tornado Warnings in 2020

Tornado Warning 68, NWS Mobile, AL

October 10, 2020Baldwin County, Clarke County, Mobile County, Alabama

NWS Mobile, AL issued this tornado warning at Oct 10, 2020, 5:42 AM CDT for Baldwin County, Clarke County, Mobile County, Alabama. It was in force for 18 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, 5:42 AM CDT (10:42 UTC)
Expired: Oct 10, 2020, 6:00 AM CDT
In force: 18 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Baldwin County, AL, Clarke County, AL, Mobile County, AL

The radar

The Mobile radar (KMOB), 58 km from the middle of the area, began a volume at 10:46 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, 10.7 hours before the alert went out and 193 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.

385 
WFUS54 KMOB 101042
TORMOB
ALC003-025-097-101100-
/O.NEW.KMOB.TO.W.0068.201010T1042Z-201010T1100Z/

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

The National Weather Service in Mobile has issued a

* Tornado Warning for...
  Northeastern Mobile County in southwestern Alabama...
  Northwestern Baldwin County in southwestern Alabama...
  Southern Clarke County in southwestern Alabama...

* Until 600 AM CDT.
    
* At 542 AM CDT, a severe thunderstorm capable of producing a tornado
  was located over Axis, or 4 miles north of Creola, moving northeast
  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...
  Mount Vernon and Movico around 550 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.

&&

LAT...LON 3089 8813 3114 8804 3114 8802 3117 8799
      3116 8796 3116 8794 3121 8795 3123 8793
      3126 8796 3126 8798 3127 8795 3129 8795
      3128 8784 3119 8771 3084 8800
TIME...MOT...LOC 1042Z 206DEG 54KT 3095 8803 

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

$$

Black

1 follow-up statement

019 
WWUS54 KMOB 101048
SVSMOB

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

ALC003-025-097-101100-
/O.CON.KMOB.TO.W.0068.000000T0000Z-201010T1100Z/
Mobile AL-Baldwin AL-Clarke AL-
548 AM CDT Sat Oct 10 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 AM CDT FOR
NORTHEASTERN MOBILE...NORTHWESTERN BALDWIN AND SOUTHERN CLARKE
COUNTIES...
    
At 548 AM CDT, a severe thunderstorm capable of producing a tornado
was located near Movico, or 10 miles north of Creola, moving
northeast 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 tornadic thunderstorm will remain over mainly rural areas of
northeastern Mobile, northwestern Baldwin and southern Clarke
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 3114 8804 3114 8802 3117 8799 3116 8796
      3116 8794 3121 8795 3123 8793 3126 8796
      3126 8798 3127 8795 3129 8795 3128 8784
      3120 8773 3093 8800 3098 8810
TIME...MOT...LOC 1048Z 206DEG 54KT 3104 8798 

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, 5:17 AM CDT	Tornado Warning Tornado observed	MOB	Mobile	28 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, 5:44 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.