Alert archive / Florida / Tornado Warnings in 2020

Tornado Warning 64, NWS Mobile, AL

October 10, 2020Okaloosa County, Florida

NWS Mobile, AL issued this tornado warning at Oct 10, 2020, 4:10 AM CDT for Okaloosa County, Florida. 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 10, 2020, 4:10 AM CDT (09:10 UTC)
Expired: Oct 10, 2020, 4:45 AM CDT
In force: 35 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Okaloosa County, FL

The radar

The Eglin Afb radar (KEVX), 60 km from the middle of the area, began a volume at 09:11 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, 9.2 hours before the alert went out and 217 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.

063 
WFUS54 KMOB 100910
TORMOB
FLC091-100945-
/O.NEW.KMOB.TO.W.0064.201010T0910Z-201010T0945Z/

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

The National Weather Service in Mobile has issued a

* Tornado Warning for...
  Central Okaloosa County in northwestern Florida...

* Until 445 AM CDT.
    
* At 410 AM CDT, a severe thunderstorm capable of producing a tornado
  was located over Eglin AFB, moving north at 30 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...
  Crestview around 440 AM CDT.
  Baker around 445 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 3043 8646 3042 8666 3090 8674 3092 8643
TIME...MOT...LOC 0910Z 177DEG 28KT 3050 8657 

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

$$

3 follow-up statements

468 
WWUS54 KMOB 100920
SVSMOB

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

FLC091-100945-
/O.CON.KMOB.TO.W.0064.000000T0000Z-201010T0945Z/
Okaloosa FL-
420 AM CDT Sat Oct 10 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 AM CDT FOR CENTRAL
OKALOOSA COUNTY...
    
At 419 AM CDT, a severe thunderstorm capable of producing a tornado
was located 6 miles northwest of Valparaiso, moving north at 30 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...
  Crestview around 445 AM CDT.
  Baker around 450 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 3055 8651 3054 8662 3090 8674 3092 8643
TIME...MOT...LOC 0919Z 177DEG 28KT 3057 8657 

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

$$

Black

275 
WWUS54 KMOB 100931
SVSMOB

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

FLC091-100945-
/O.CON.KMOB.TO.W.0064.000000T0000Z-201010T0945Z/
Okaloosa FL-
431 AM CDT Sat Oct 10 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 AM CDT FOR
NORTHEASTERN OKALOOSA COUNTY...
    
At 430 AM CDT, a severe thunderstorm capable of producing a tornado
was located 6 miles south of Crestview, moving north at 30 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...
  Crestview around 445 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 3063 8652 3063 8661 3090 8672 3091 8662
      3092 8646
TIME...MOT...LOC 0930Z 177DEG 28KT 3066 8658 

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

$$

Black

662 
WWUS54 KMOB 100941
SVSMOB

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

FLC091-100950-
/O.EXP.KMOB.TO.W.0064.000000T0000Z-201010T0945Z/
Okaloosa FL-
441 AM CDT Sat Oct 10 2020

...THE TORNADO WARNING FOR NORTHEASTERN OKALOOSA COUNTY WILL EXPIRE
AT 445 AM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.

A Tornado Watch remains in effect until 100 PM CDT for northwestern
Florida.

LAT...LON 3063 8652 3063 8661 3090 8672 3091 8662
      3092 8646
TIME...MOT...LOC 0940Z 177DEG 28KT 3073 8658 

$$

Black

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, 6:01 AM CDT	Tornado Warning	MOB	Okaloosa	44 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

Nearby

Tornado Warnings in Florida, 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.