Alert archive / Florida / Tornado Warnings in 2020

Tornado Warning 71, NWS Mobile, AL

October 10, 2020Okaloosa County, Florida; Covington County, Alabama

NWS Mobile, AL issued this tornado warning at Oct 10, 2020, 6:01 AM CDT for Okaloosa County, Florida; Covington County, Alabama. It was in force for 44 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, 6:01 AM CDT (11:01 UTC)
Expired: Oct 10, 2020, 6:45 AM CDT
In force: 44 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

Counties Covington County, AL, Okaloosa County, FL

The radar

The Eglin Afb radar (KEVX), 78 km from the middle of the area, began a volume at 11:01 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

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 11.0 hours before the alert went out and 229 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: 1 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1222 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 38 m²/s²
0-3 km storm-relative helicity: 76 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

013 
WFUS54 KMOB 101101
TORMOB
ALC039-FLC091-101145-
/O.NEW.KMOB.TO.W.0071.201010T1101Z-201010T1145Z/

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

The National Weather Service in Mobile has issued a

* Tornado Warning for...
  Southwestern Covington County in south central Alabama...
  North central Okaloosa County in northwestern Florida...

* Until 645 AM CDT.
    
* At 601 AM CDT, a severe thunderstorm capable of producing a tornado
  was located 4 miles northeast of Baker, or 6 miles northwest of
  Crestview, moving north at 40 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
  southwestern Covington and north central Okaloosa 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 3078 8657 3078 8669 3123 8670 3122 8647
TIME...MOT...LOC 1101Z 183DEG 33KT 3083 8663 

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

$$

JLH

3 follow-up statements

360 
WWUS54 KMOB 101116
SVSMOB

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

ALC039-FLC091-101145-
/O.CON.KMOB.TO.W.0071.000000T0000Z-201010T1145Z/
Covington AL-Okaloosa FL-
616 AM CDT Sat Oct 10 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 AM CDT FOR
SOUTHWESTERN COVINGTON AND NORTH CENTRAL OKALOOSA COUNTIES...
    
At 616 AM CDT, a severe thunderstorm capable of producing a tornado
was located 9 miles west of Laurel Hill, or 14 miles north of
Crestview, moving north 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.

Locations impacted include...
Baker.

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 3078 8657 3078 8669 3123 8670 3122 8647
TIME...MOT...LOC 1116Z 184DEG 31KT 3096 8662 

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

$$

JLH

128 
WWUS54 KMOB 101128
SVSMOB

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

FLC091-101137-
/O.CAN.KMOB.TO.W.0071.000000T0000Z-201010T1145Z/
Okaloosa FL-
628 AM CDT Sat Oct 10 2020

...THE TORNADO WARNING FOR NORTH CENTRAL OKALOOSA COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled. There 
are two additional weak circulations that we are closely monitoring 
in western Okaloosa county. 

A Tornado Watch remains in effect until 100 PM CDT for south central
Alabama.

LAT...LON 3100 8655 3100 8666 3123 8670 3122 8647
TIME...MOT...LOC 1127Z 185DEG 30KT 3105 8660 

$$

ALC039-101145-
/O.CON.KMOB.TO.W.0071.000000T0000Z-201010T1145Z/
Covington AL-
628 AM CDT Sat Oct 10 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 AM CDT FOR
SOUTHWESTERN COVINGTON COUNTY...
    
At 627 AM CDT, a severe thunderstorm capable of producing a tornado
was located 10 miles northwest of Laurel Hill, or 16 miles west of
Florala, moving north 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
southwestern Covington 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 3100 8655 3100 8666 3123 8670 3122 8647
TIME...MOT...LOC 1127Z 185DEG 30KT 3105 8660 

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

$$

JLH

023 
WWUS54 KMOB 101145
SVSMOB

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

ALC039-101155-
/O.EXP.KMOB.TO.W.0071.000000T0000Z-201010T1145Z/
Covington AL-
645 AM CDT Sat Oct 10 2020

...THE TORNADO WARNING FOR SOUTHWESTERN COVINGTON COUNTY HAS
EXPIRED...
                
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 allowed to expire.

A Tornado Watch remains in effect until 100 PM CDT for south central
Alabama.

LAT...LON 3100 8655 3100 8666 3123 8670 3122 8647
TIME...MOT...LOC 1145Z 183DEG 33KT 3121 8659 

$$

JLH

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 10, 2:19 AM CDT	Tornado Warning	MOB	Escambia, Santa Rosa	41 min
Oct 10, 4:10 AM CDT	Tornado Warning	MOB	Okaloosa	35 min
Oct 10, 10:09 AM CDT	Areal Flood Advisory	MOB	Escambia, Santa Rosa	111 min
Oct 10, 10:36 AM CDT	Areal Flood Advisory	MOB	Escambia, Santa Rosa	114 min
Oct 10, 10:45 AM CDT	Flash Flood Warning	MOB	Escambia, Santa Rosa	3 hr
Oct 10, 2:14 PM CDT	River Flood Warning	MOB	Okaloosa, Santa Rosa	9 hr
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, 5:42 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, 6:13 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 Florida, 2020 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.