Alert archive / Florida / Tornado Warnings in 2021

Tornado Warning 54, NWS Mobile, AL

August 30, 2021Escambia County, Florida

NWS Mobile, AL issued this tornado warning at Aug 30, 2021, 5:43 AM CDT for Escambia County, Florida. It was in force for 31 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
Aug 30, 2021, 5:43 AM CDT (10:43 UTC)
Expired
Aug 30, 2021, 6:14 AM CDT
In force
31 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Escambia County, FL

The radar

The Mobile radar (KMOB), 75 km from the middle of the area, began a volume at 10:43 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
Aug 29, 6:49 PM CDTTornado WatchSPC11 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 10.7 hours before the alert went out and 222 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 2021-08-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 25 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 2021-08-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 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
25 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
679 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
73 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

998 
WFUS54 KMOB 301043
TORMOB
FLC033-301130-
/O.NEW.KMOB.TO.W.0054.210830T1043Z-210830T1130Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
543 AM CDT Mon Aug 30 2021

The National Weather Service in Mobile has issued a

* Tornado Warning for...
  Northwestern Escambia County in northwestern Florida...

* Until 630 AM CDT.
    
* At 543 AM CDT, a severe thunderstorm capable of producing a tornado
  was located 9 miles west of Molino, or 12 miles northwest of
  Gonzalez, moving north at 30 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...
  Bratt around 620 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 3070 8745 3070 8747 3071 8747 3071 8748
      3072 8748 3072 8750 3100 8756 3099 8734
      3068 8741 3068 8742
TIME...MOT...LOC 1043Z 182DEG 27KT 3068 8746 

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

$$
2 follow-up statements
219 
WWUS54 KMOB 301103
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
603 AM CDT Mon Aug 30 2021

FLC033-301130-
/O.CON.KMOB.TO.W.0054.000000T0000Z-210830T1130Z/
Escambia FL-
603 AM CDT Mon Aug 30 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 AM CDT FOR
NORTHWESTERN ESCAMBIA COUNTY...
    
At 603 AM CDT, a severe thunderstorm capable of producing a tornado
was located 6 miles south of Bratt, or 10 miles south of Atmore,
moving north at 35 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...
  Bratt around 615 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 3084 8740 3084 8752 3100 8756 3099 8734
TIME...MOT...LOC 1103Z 179DEG 32KT 3087 8747 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

MM
665 
WWUS54 KMOB 301114
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
614 AM CDT Mon Aug 30 2021

FLC033-301124-
/O.CAN.KMOB.TO.W.0054.000000T0000Z-210830T1130Z/
Escambia FL-
614 AM CDT Mon Aug 30 2021

...THE TORNADO WARNING FOR NORTHWESTERN ESCAMBIA COUNTY IS
CANCELLED...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled.

A Tornado Watch remains in effect until 400 PM CDT for south central
Alabama...and northwestern Florida.

LAT...LON 3084 8740 3084 8752 3100 8756 3099 8734
TIME...MOT...LOC 1112Z 182DEG 27KT 3095 8747 

$$

MM

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 29, 8:19 PM CDTRiver Flood WarningMOBEscambia49 hr
Aug 29, 8:20 PM CDTRiver Flood WarningMOBOkaloosa62 hr
Aug 29, 8:21 PM CDTRiver Flood WarningMOBOkaloosa, Santa Rosa38 hr
Aug 29, 8:23 PM CDTRiver Flood WarningMOBOkaloosa, Santa Rosa30 hr
Aug 30, 6:42 AM CDTFlash Flood WarningMOBEscambia5 hr
Aug 30, 8:14 AM CDTTornado WarningMOBSanta Rosa46 min
Aug 30, 8:32 AM CDTFlash Flood WarningMOBSanta Rosa4 hr
Aug 30, 9:12 AM CDTFlash Flood WarningMOBOkaloosa, Santa Rosa4 hr
Aug 30, 12:03 PM CDTFlash Flood WarningMOBOkaloosa, Santa Rosa75 min
Aug 30, 4:16 PM CDTSpecial Weather StatementMOBSanta Rosa89 min

Nearby

Tornado Warnings in Florida, 2021Every tornado warning in 2021Tornadoes in 2021

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.