Alert archive / Florida / Tornado Warnings in 2020

Tornado Warning 15, NWS Mobile, AL

March 31, 2020Okaloosa County, Florida

NWS Mobile, AL issued this tornado warning at Mar 31, 2020, 12:19 PM CDT for Okaloosa County, Florida. It was in force for 26 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: Mar 31, 2020, 12:19 PM CDT (17:19 UTC)
Expired: Mar 31, 2020, 12:45 PM CDT
In force: 26 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), 61 km from the middle of the area, began a volume at 17:17 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
Mar 31, 8:51 AM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 5.3 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 734 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 125 m²/s²
0-3 km storm-relative helicity: 203 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

736 
WFUS54 KMOB 311719
TORMOB
FLC091-311745-
/O.NEW.KMOB.TO.W.0015.200331T1719Z-200331T1745Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
1219 PM CDT Tue Mar 31 2020

The National Weather Service in Mobile has issued a

* Tornado Warning for...
  East central Okaloosa County in northwestern Florida...

* Until 1245 PM CDT.
    
* At 1219 PM CDT, a severe thunderstorm capable of producing a
  tornado was located 7 miles south of Crestview, moving east at 50
  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
  east central 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 3060 8665 3067 8667 3080 8639 3060 8639
TIME...MOT...LOC 1719Z 261DEG 45KT 3065 8662 

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

$$

CGAL

2 follow-up statements

555 
WWUS54 KMOB 311726
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
1226 PM CDT Tue Mar 31 2020

FLC091-311745-
/O.CON.KMOB.TO.W.0015.000000T0000Z-200331T1745Z/
Okaloosa FL-
1226 PM CDT Tue Mar 31 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1245 PM CDT FOR EAST
CENTRAL OKALOOSA COUNTY...
    
At 1226 PM CDT, a severe thunderstorm capable of producing a tornado
was located 7 miles southeast of Crestview, moving east at 50 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
east central 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 3060 8657 3071 8659 3080 8639 3060 8639
TIME...MOT...LOC 1726Z 261DEG 45KT 3066 8651 

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

$$

CGAL

624 
WWUS54 KMOB 311740
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
1240 PM CDT Tue Mar 31 2020

FLC091-311750-
/O.EXP.KMOB.TO.W.0015.000000T0000Z-200331T1745Z/
Okaloosa FL-
1240 PM CDT Tue Mar 31 2020

...THE TORNADO WARNING FOR EAST CENTRAL OKALOOSA COUNTY WILL EXPIRE
AT 1245 PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

A Tornado Watch remains in effect until 300 PM CDT for northwestern
Florida.

LAT...LON 3060 8657 3071 8659 3080 8639 3060 8639
TIME...MOT...LOC 1740Z 261DEG 45KT 3069 8632 

$$

CGAL

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 31, 5:13 AM CDT	Rip Current Statement	MOB	Escambia, Okaloosa, Santa Rosa	13 hr
Mar 31, 10:07 AM CDT	Severe Thunderstorm Warning	MOB	Escambia, Santa Rosa	53 min
Mar 31, 10:54 AM CDT	Severe Thunderstorm Warning	MOB	Escambia, Santa Rosa	51 min
Mar 31, 10:58 AM CDT	Severe Thunderstorm Warning	MOB	Okaloosa, Santa Rosa	47 min
Mar 31, 11:01 AM CDT	Tornado Warning	MOB	Escambia	27 min
Mar 31, 11:15 AM CDT	Tornado Warning	MOB	Escambia, Santa Rosa	45 min
Mar 31, 11:34 AM CDT	Severe Thunderstorm Warning	MOB	Escambia, Okaloosa, Santa Rosa	41 min
Mar 31, 11:40 AM CDT	Severe Thunderstorm Warning	MOB	Okaloosa, Santa Rosa	65 min
Mar 31, 11:42 AM CDT	Severe Thunderstorm Warning	MOB	Okaloosa	48 min
Mar 31, 12:02 PM CDT	Tornado Warning	MOB	Okaloosa, Santa Rosa	43 min
Mar 31, 12:11 PM CDT	Severe Thunderstorm Warning	MOB	Okaloosa, Santa Rosa	49 min

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.