Alert archive / Florida / Tornado Warnings in 2020

Tornado Warning 46, NWS Mobile, AL

April 23, 2020Okaloosa County, Florida

NWS Mobile, AL issued this tornado warning at Apr 23, 2020, 2:55 PM CDT for Okaloosa County, Florida. It was in force for 25 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
Apr 23, 2020, 2:55 PM CDT (19:55 UTC)
Expired
Apr 23, 2020, 3:20 PM CDT
In force
25 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

County Okaloosa County, FL

The radar

The Eglin Afb radar (KEVX), 46 km from the middle of the area, began a volume at 19:54 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.

IssuedProductOfficeLasted
Apr 23, 4:05 AM CDTTornado WatchSPC11 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 7.9 hours before the alert went out and 198 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-pSkew-T log-p diagram, Tallahassee Rgnl, FL at 12:00Z on 2020-04-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tallahassee Rgnl, FL at 12:00Z on 2020-04-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 455 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
1318 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
455 m²/s²
0-3 km storm-relative helicity
663 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

267 
WFUS54 KMOB 231955
TORMOB
FLC091-232030-
/O.NEW.KMOB.TO.W.0046.200423T1955Z-200423T2030Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
255 PM CDT Thu Apr 23 2020

The National Weather Service in Mobile has issued a

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

* Until 330 PM CDT.
    
* At 254 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Wright, moving east at 45 mph.

  HAZARD...Tornado and quarter size hail.

  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...
  Eglin AFB, Lake Lorraine and Shalimar around 300 PM CDT.
  Destin around 310 PM 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 3039 8629 3040 8629 3040 8630 3042 8630
      3042 8631 3038 8633 3040 8639 3032 8640
      3043 8666 3051 8664 3047 8639 3046 8639
      3047 8635 3045 8628 3040 8628
TIME...MOT...LOC 1954Z 279DEG 39KT 3045 8665 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

JLH
3 follow-up statements
905 
WWUS54 KMOB 231959
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
259 PM CDT Thu Apr 23 2020

FLC091-232030-
/O.CON.KMOB.TO.W.0046.000000T0000Z-200423T2030Z/
Okaloosa FL-
259 PM CDT Thu Apr 23 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CDT FOR
SOUTHEASTERN OKALOOSA COUNTY...
    
At 258 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Lake Lorraine, moving east at 50 mph.

HAZARD...Tornado and quarter size hail.

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 approach Destin in southeastern 
Okaloosa 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 3039 8629 3040 8629 3040 8630 3042 8630
      3042 8631 3038 8633 3040 8639 3032 8640
      3042 8661 3048 8660 3047 8639 3046 8639
      3047 8635 3045 8628 3040 8628
TIME...MOT...LOC 1958Z 279DEG 45KT 3043 8654 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

JLH
211 
WWUS54 KMOB 232006
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
306 PM CDT Thu Apr 23 2020

FLC091-232030-
/O.CON.KMOB.TO.W.0046.000000T0000Z-200423T2030Z/
Okaloosa FL-
306 PM CDT Thu Apr 23 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CDT FOR
SOUTHEASTERN OKALOOSA COUNTY...
    
At 304 PM CDT, a severe thunderstorm capable of producing a tornado
was located over the north side of Destin, moving east at 45 mph.

HAZARD...Tornado and quarter size hail.

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...  
Destin

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.

If on or near Choctawhatchee Bay, get away from the water and move 
to safe shelter immediately. If you can hear thunder, you are close 
enough to be struck by lightning. Severe thunderstorms can produce 
large capsizing waves, even on small bodies of water. Move into dock 
and seek safe shelter now! Do not be caught on the water in a 
thunderstorm.

&&

LAT...LON 3039 8629 3040 8629 3040 8630 3042 8630
      3042 8631 3038 8633 3040 8639 3036 8640
      3040 8653 3045 8652 3047 8639 3046 8639
      3047 8635 3045 8628 3040 8628
TIME...MOT...LOC 2004Z 287DEG 38KT 3041 8648 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

JLH
301 
WWUS54 KMOB 232020
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
320 PM CDT Thu Apr 23 2020

FLC091-232029-
/O.CAN.KMOB.TO.W.0046.000000T0000Z-200423T2030Z/
Okaloosa FL-
320 PM CDT Thu Apr 23 2020

...THE TORNADO WARNING FOR SOUTHEASTERN OKALOOSA COUNTY IS
CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 400 PM CDT for northwestern
Florida.

LAT...LON 3039 8629 3040 8629 3040 8630 3042 8630
      3042 8631 3038 8633 3040 8639 3036 8640
      3040 8653 3045 8652 3047 8639 3046 8639
      3047 8635 3045 8628 3040 8628
TIME...MOT...LOC 2017Z 279DEG 39KT 3038 8628 

$$

JLH

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 23, 6:50 AM CDTSevere Thunderstorm WarningMOBEscambia40 min
Apr 23, 7:35 AM CDTSevere Thunderstorm WarningMOBEscambia, Santa Rosa55 min
Apr 23, 8:12 AM CDTSevere Thunderstorm WarningMOBOkaloosa, Santa Rosa63 min
Apr 23, 10:05 AM CDTFlash Flood WarningMOBEscambia, Santa Rosa2 hr
Apr 23, 10:27 AM CDTSevere Thunderstorm WarningMOBOkaloosa, Santa Rosa43 min
Apr 23, 10:28 AM CDTFlash Flood WarningMOBOkaloosa3 hr
Apr 23, 11:57 AM CDTSevere Thunderstorm WarningMOBEscambia, Santa Rosa48 min
Apr 23, 12:20 PM CDTSevere Thunderstorm WarningMOBOkaloosa40 min
Apr 23, 12:32 PM CDTAreal Flood WarningMOBEscambia, Santa Rosa6 hr
Apr 23, 1:29 PM CDTSevere Thunderstorm WarningMOBEscambia46 min
Apr 23, 2:13 PM CDTSevere Thunderstorm WarningMOBSanta Rosa47 min
Apr 23, 2:28 PM CDTSevere Thunderstorm WarningMOBOkaloosa, Santa Rosa47 min

Nearby

Tornado Warnings in Florida, 2020Every tornado warning in 2020Tornadoes 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.