Alert archive / Florida / Tornado Warnings in 2024

Tornado Warning 17, NWS Mobile, AL

September 12, 2024Okaloosa County, Florida

NWS Mobile, AL issued this tornado warning at Sep 12, 2024, 5:13 AM CDT for Okaloosa County, Florida. It was in force for 15 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: Sep 12, 2024, 5:13 AM CDT (10:13 UTC)
Expired: Sep 12, 2024, 5:28 AM CDT
In force: 15 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), 74 km from the middle of the area, began a volume at 10:15 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
Sep 11, 10:13 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 10.2 hours before the alert went out and 301 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1081 m above ground
0-6 km bulk shear: 2 kt
0-1 km storm-relative helicity: -63 m²/s²
0-3 km storm-relative helicity: -30 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

500 
WFUS54 KMOB 121013
TORMOB
FLC091-121045-
/O.NEW.KMOB.TO.W.0017.240912T1013Z-240912T1045Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
513 AM CDT Thu Sep 12 2024

The National Weather Service in Mobile has issued a

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

* Until 545 AM CDT.

* At 513 AM CDT, a severe thunderstorm capable of producing a tornado
  was located near Mary Esther, 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...
  Wright and Mary Esther around 520 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 3034 8665 3034 8675 3055 8677 3060 8673
      3060 8663 3056 8660
TIME...MOT...LOC 1013Z 182DEG 26KT 3037 8669 

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

$$

Black

1 follow-up statement

248 
WWUS54 KMOB 121028
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
528 AM CDT Thu Sep 12 2024

FLC091-121037-
/O.CAN.KMOB.TO.W.0017.000000T0000Z-240912T1045Z/
Okaloosa FL-
528 AM CDT Thu Sep 12 2024

...THE TORNADO WARNING FOR SOUTHWESTERN OKALOOSA COUNTY IS
CANCELLED...

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 cancelled.  However, gusty winds are
still possible with this thunderstorm.

A Tornado Watch remains in effect until 600 AM CDT for northwestern
Florida.

LAT...LON 3034 8665 3034 8675 3055 8677 3060 8673
      3060 8663 3056 8660
TIME...MOT...LOC 1024Z 182DEG 26KT 3047 8669 

$$

Black

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 12, 4:08 AM CDT	Areal Flood Advisory	MOB	Escambia	3 hr
Sep 12, 5:04 AM CDT	Areal Flood Advisory	MOB	Okaloosa	3 hr

Nearby

Tornado Warnings in Florida, 2024 Every tornado warning in 2024 Tornadoes in 2024

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.