Alert archive / Florida / Tornado Warnings in 2020

Tornado Warning 37, NWS Mobile, AL

April 20, 2020Escambia County, Santa Rosa County, Florida

NWS Mobile, AL issued this tornado warning at Apr 20, 2020, 12:01 AM CDT for Escambia County, Santa Rosa County, Florida. It was in force for 29 min. 8 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Apr 20, 2020, 12:01 AM CDT (05:01 UTC)
Expired
Apr 20, 2020, 12:30 AM CDT
In force
29 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Escambia County, FL, Santa Rosa County, FL

The radar

The Mobile radar (KMOB), 98 km from the middle of the area, began a volume at 05:00 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.

What was reported inside it

TimeReportWhereRemark
Apr 20, 12:04 AM CDTTSTM WND DMG2 Nw Cottage Hill, FLSEVERAL HOMES LOST THEIR FENCES AND SUSTAINED ROOF DAMAGES. ALSO, A REPORT OF LUMBER SPIKED INTO THE GROUND IN A YARD. REPORTS AND PICTURES VIA SOCIAL MEDIA.
Apr 20, 12:07 AM CDTTORNADO2 Wnw Pace, FLNWS STORM SURVEY FOUND THAT MOST OF THE WIND DAMAGE THAT OCCURRED IN PACE, FL WAS THE RESULT OF 70-80 MPH STRAIGHT LINE WIND. THIS RESULTED IN NUMEROUS DOWN TREES ACROSS THE CITY AS WELL AS ROOF DAMAGE TO SOME RESIDENCES. THE SURVEY ALSO FOUND A BRIEF EF-0 TOR
Apr 20, 12:08 AM CDTTSTM WND DMGPace, FLNUMEROUS REPORTS OF TREE DAMAGE SOUTH OF HIGHWAY 90 IN PACE AND FLORIDATOWN. REPORTS VIA EMA AND VIA SOCIAL MEDIA.
Apr 20, 12:08 AM CDTTSTM WND DMGPace, FLROOF PEELED OFF HOUSE. NUMEROUS TREES DOWN.
Apr 20, 12:08 AM CDTTSTM WND DMGPace, FLNUMEROUS TREES DOWN BETWEEN WOODBINE RD AND CHUMUCKLA HWY IN PACE. REPORTS VIA SOCIAL MEDIA.
Apr 20, 12:09 AM CDTTSTM WND DMGPace, FLDAMAGE TO VEHICLES FROM DOWNED TREES. NUMEROUS TREES DOWN.
Apr 20, 12:14 AM CDTTSTM WND DMG3 W Bagdad, FLNUMEROUS REPORTS OF TREES DOWN. ROOF COLLAPSE TO ONE RESIDENCE. DAMAGE TO OTHER RESIDENCES IN THE AREA.
Apr 20, 12:15 AM CDTTSTM WND DMG2 Sw Bagdad, FLTREES DOWN IN THE AREA. TREE IN A RESIDENCE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 19, 9:39 PM CDTTornado WatchSPC5 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 5.0 hours before the alert went out and 242 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, Slidell Radar S, LA at 00:00Z on 2020-04-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2097 joules per kilogram.LCLLFCEL10008507005003002001001 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, Slidell Radar S, LA at 00:00Z on 2020-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 202 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
2097 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
819 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
202 m²/s²
0-3 km storm-relative helicity
227 m²/s²
Significant tornado parameter
2.5
Supercell composite
9.5

Open this sounding in Storm Lab

The text

As transmitted.

032 
WFUS54 KMOB 200501
TORMOB
FLC033-113-200530-
/O.NEW.KMOB.TO.W.0037.200420T0501Z-200420T0530Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
1201 AM CDT Mon Apr 20 2020

The National Weather Service in Mobile has issued a

* Tornado Warning for...
  Central Santa Rosa County in northwestern Florida...
  Central Escambia County in northwestern Florida...

* Until 1230 AM CDT.
    
* At 1201 AM CDT, a severe thunderstorm capable of producing a
  tornado was located near Molino, or 6 miles north of Gonzalez,
  moving east 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 dangerous storm will be near...
  Pace around 1215 AM CDT.
  Pea Ridge and Floridatown around 1220 AM CDT.
  Milton and Point Baker around 1225 AM CDT.
  Bagdad and Roeville around 1230 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 8739 3073 8738 3072 8695 3054 8697
TIME...MOT...LOC 0501Z 283DEG 34KT 3067 8732 

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

$$
2 follow-up statements
801 
WWUS54 KMOB 200511
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
1211 AM CDT Mon Apr 20 2020

FLC033-200521-
/O.CAN.KMOB.TO.W.0037.000000T0000Z-200420T0530Z/
Escambia FL-
1211 AM CDT Mon Apr 20 2020

...THE TORNADO WARNING FOR CENTRAL ESCAMBIA COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

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

LAT...LON 3059 8722 3060 8723 3061 8725 3061 8726
      3062 8726 3063 8725 3063 8726 3064 8726
      3073 8725 3072 8695 3054 8697
TIME...MOT...LOC 0511Z 283DEG 34KT 3065 8721 

$$

FLC113-200530-
/O.CON.KMOB.TO.W.0037.000000T0000Z-200420T0530Z/
Santa Rosa FL-
1211 AM CDT Mon Apr 20 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT FOR CENTRAL
SANTA ROSA COUNTY...
    
At 1211 AM CDT, a severe thunderstorm capable of producing a tornado
was located 4 miles northwest of Pace, moving east 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 dangerous storm will be near...
  Pace around 1215 AM CDT.
  Pea Ridge and Floridatown around 1220 AM CDT.
  Milton and Point Baker around 1225 AM CDT.
  Bagdad and Roeville around 1230 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 3059 8722 3060 8723 3061 8725 3061 8726
      3062 8726 3063 8725 3063 8726 3064 8726
      3073 8725 3072 8695 3054 8697
TIME...MOT...LOC 0511Z 283DEG 34KT 3065 8721 

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

$$
157 
WWUS54 KMOB 200524
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
1224 AM CDT Mon Apr 20 2020

FLC113-200534-
/O.EXP.KMOB.TO.W.0037.000000T0000Z-200420T0530Z/
Santa Rosa FL-
1224 AM CDT Mon Apr 20 2020

...THE TORNADO WARNING FOR CENTRAL SANTA ROSA COUNTY WILL EXPIRE AT
1230 AM 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 400 AM CDT for northwestern
Florida.

LAT...LON 3059 8722 3060 8723 3061 8725 3061 8726
      3062 8726 3063 8725 3063 8726 3064 8726
      3073 8725 3072 8695 3054 8697
TIME...MOT...LOC 0524Z 283DEG 34KT 3062 8708 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 19, 9:42 PM CDTSevere Thunderstorm WarningMOBEscambia19 min
Apr 19, 10:54 PM CDTSevere Thunderstorm WarningMOBOkaloosa36 min
Apr 19, 11:14 PM CDTSevere Thunderstorm WarningMOBEscambia, Santa Rosa61 min
Apr 19, 11:29 PM CDTTornado WarningMOBEscambia31 min
Apr 19, 11:41 PM CDTSevere Thunderstorm WarningMOBEscambia, Santa Rosa34 min
Apr 19, 11:45 PM CDTTornado WarningMOBEscambia30 min
Apr 19, 11:55 PM CDTSevere Thunderstorm WarningMOBOkaloosa15 min
Apr 19, 11:58 PM CDTSevere Thunderstorm WarningMOBOkaloosa62 min
Apr 20, 12:05 AM CDTSevere Thunderstorm WarningMOBEscambia, Okaloosa, Santa Rosa40 min
Apr 20, 12:10 AM CDTSevere Thunderstorm WarningMOBEscambia, Okaloosa, Santa Rosa50 min
Apr 20, 12:54 AM CDTSevere Thunderstorm WarningMOBEscambia, Okaloosa, Santa Rosa66 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.