Alert archive / Florida / Tornado Warnings in 2020

Tornado Warning 74, NWS Mobile, AL

October 28, 2020Escambia County, Santa Rosa County, Florida

NWS Mobile, AL issued this tornado warning at Oct 28, 2020, 6:21 PM CDT for Escambia County, Santa Rosa County, Florida. It was in force for 24 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, 6:21 PM CDT (23:21 UTC)
Expired: Oct 28, 2020, 6:45 PM CDT
In force: 24 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

Counties Escambia County, FL, Santa Rosa County, FL

The radar

The Mobile radar (KMOB), 109 km from the middle of the area, began a volume at 23:20 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
Oct 28, 1:03 PM CDT	Tornado Watch	SPC	11 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 11.4 hours before the alert went out and 248 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: 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.

033 
WFUS54 KMOB 282321
TORMOB
FLC033-113-282345-
/O.NEW.KMOB.TO.W.0074.201028T2321Z-201028T2345Z/

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

The National Weather Service in Mobile has issued a

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

* Until 645 PM CDT.
    
* At 619 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 7 miles southeast of Pensacola Beach, or 9 miles
  southeast of Gulf Breeze, 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...
  Oriole Beach around 630 PM CDT.
  Ferry Pass, Pace, Floridatown and Pea Ridge around 645 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.

If on or near Escambia 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 3059 8726 3064 8706 3025 8698 3024 8708
TIME...MOT...LOC 2319Z 164DEG 40KT 3027 8704 

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

$$

1 follow-up statement

251 
WWUS54 KMOB 282332
SVSMOB

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

FLC033-113-282345-
/O.CON.KMOB.TO.W.0074.000000T0000Z-201028T2345Z/
Santa Rosa FL-Escambia FL-
632 PM CDT Wed Oct 28 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR
SOUTHWESTERN SANTA ROSA AND SOUTH CENTRAL ESCAMBIA COUNTIES...
    
At 630 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Oriole Beach, or 6 miles east of Gulf Breeze, moving
north 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...
  Pea Ridge and Floridatown around 650 PM CDT.
  Pace around 655 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 3059 8726 3064 8706 3035 8702 3034 8710
TIME...MOT...LOC 2330Z 165DEG 37KT 3038 8706 

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

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 28, 4:37 PM CDT	Tornado Warning	MOB	Escambia	23 min
Oct 28, 6:42 PM CDT	Tornado Warning	MOB	Santa Rosa	33 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.