Alert archive / Florida / Tornado Warnings in 2020

Tornado Warning 76, NWS Mobile, AL

October 28, 2020Santa Rosa County, Florida

NWS Mobile, AL issued this tornado warning at Oct 28, 2020, 6:42 PM CDT for Santa Rosa County, Florida. It was in force for 33 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 28, 2020, 6:42 PM CDT (23:42 UTC)
Expired
Oct 28, 2020, 7:15 PM CDT
In force
33 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

County Santa Rosa County, FL

The radar

The Mobile radar (KMOB), 97 km from the middle of the area, began a volume at 23:45 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
Oct 28, 1:03 PM CDTTornado WatchSPC11 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 11.7 hours before the alert went out and 244 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 12:00Z on 2020-10-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1534 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 12:00Z on 2020-10-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 219 square meters per square second.193958Sfc1 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
1534 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
595 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
219 m²/s²
0-3 km storm-relative helicity
214 m²/s²
Significant tornado parameter
0.0
Supercell composite
5.9

Open this sounding in Storm Lab

The text

As transmitted.

599 
WFUS54 KMOB 282342
TORMOB
FLC113-290015-
/O.NEW.KMOB.TO.W.0076.201028T2342Z-201029T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
642 PM CDT Wed Oct 28 2020

The National Weather Service in Mobile has issued a

* Tornado Warning for...
  Western Santa Rosa County in northwestern Florida...

* Until 715 PM CDT.
    
* At 642 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 6 miles south of Pea Ridge, or 7 miles southwest of
  Bagdad, moving north at 45 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, Pea Ridge and Floridatown around 650 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 3044 8710 3081 8730 3081 8729 3084 8730
      3084 8731 3086 8731 3087 8730 3088 8730
      3089 8728 3090 8728 3092 8708 3045 8703
TIME...MOT...LOC 2342Z 166DEG 39KT 3051 8709 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$
2 follow-up statements
527 
WWUS54 KMOB 282354
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
654 PM CDT Wed Oct 28 2020

FLC113-290015-
/O.CON.KMOB.TO.W.0076.000000T0000Z-201029T0015Z/
Santa Rosa FL-
654 PM CDT Wed Oct 28 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR
NORTHWESTERN SANTA ROSA COUNTY...
    
At 653 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Pea Ridge, or near Pace, moving north at 45 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
northwestern Santa Rosa 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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3058 8714 3081 8730 3081 8729 3084 8730
      3084 8731 3086 8731 3087 8730 3088 8730
      3089 8728 3090 8728 3092 8708 3059 8706
TIME...MOT...LOC 2353Z 168DEG 38KT 3062 8711 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$
072 
WWUS54 KMOB 290002
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
702 PM CDT Wed Oct 28 2020

FLC113-290015-
/O.CON.KMOB.TO.W.0076.000000T0000Z-201029T0015Z/
Santa Rosa FL-
702 PM CDT Wed Oct 28 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR
NORTHWESTERN SANTA ROSA COUNTY...
    
At 702 PM CDT, a severe thunderstorm capable of producing a tornado
was located 6 miles northwest of Point Baker, or 9 miles northwest of
Milton, moving north 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
northwestern Santa Rosa 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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3069 8716 3090 8728 3092 8710 3069 8710
TIME...MOT...LOC 0002Z 166DEG 42KT 3074 8714 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 28, 4:37 PM CDTTornado WarningMOBEscambia23 min
Oct 28, 6:21 PM CDTTornado WarningMOBEscambia, Santa Rosa24 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.