Alert archive / Florida / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 153, NWS Mobile, AL

June 24, 2021Santa Rosa County, Florida

NWS Mobile, AL issued this severe thunderstorm warning at Jun 24, 2021, 1:35 PM CDT for Santa Rosa County, Florida. It was in force for 40 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
Jun 24, 2021, 1:35 PM CDT (18:35 UTC)
Expired
Jun 24, 2021, 2:15 PM CDT
In force
40 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Santa Rosa County, FL

The radar

The Mobile radar (KMOB), 112 km from the middle of the area, began a volume at 18:38 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 nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 6.6 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-pSkew-T log-p diagram, Slidell Radar S, LA at 12:00Z on 2021-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2328 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 2021-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -45 square meters per square second.1939Sfc1 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
2328 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
781 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
-45 m²/s²
0-3 km storm-relative helicity
-46 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

637 
WUUS54 KMOB 241835
SVRMOB
FLC113-241915-
/O.NEW.KMOB.SV.W.0153.210624T1835Z-210624T1915Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
135 PM CDT Thu Jun 24 2021

The National Weather Service in Mobile has issued a

* Severe Thunderstorm Warning for...
  Southeastern Santa Rosa County in northwestern Florida...

* Until 215 PM CDT.

* At 135 PM CDT, a severe thunderstorm was located 7 miles southeast
  of Bagdad, moving southwest at 10 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Gulf Breeze, Bagdad, Oriole Beach, Navarre, Navarre Beach and
  Pensacola Beach.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Damaging winds and continuous cloud to ground lightning is occurring 
with this storm. Move indoors immediately. Lightning is one of 
nature's leading killers. Remember, if you can hear thunder, you are 
close enough to be struck by lightning.

&&

LAT...LON 3029 8729 3032 8727 3032 8721 3033 8726
      3063 8701 3055 8680 3035 8685
TIME...MOT...LOC 1835Z 043DEG 8KT 3053 8695 

HAIL...<.75IN
WIND...60MPH
 
$$

JLH
3 follow-up statements
579 
WWUS54 KMOB 241846
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
146 PM CDT Thu Jun 24 2021

FLC113-241915-
/O.CON.KMOB.SV.W.0153.000000T0000Z-210624T1915Z/
Santa Rosa FL-
146 PM CDT Thu Jun 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 PM CDT
FOR SOUTHEASTERN SANTA ROSA COUNTY...

At 145 PM CDT, a severe thunderstorm was located 5 miles southeast of
Bagdad, moving west at 10 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Gulf Breeze, Bagdad, Oriole Beach, Navarre, Navarre Beach and
Pensacola Beach.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 3029 8729 3032 8727 3032 8721 3033 8726
      3063 8701 3055 8680 3035 8685
TIME...MOT...LOC 1845Z 070DEG 7KT 3054 8696 

HAIL...0.75IN
WIND...60MPH
 
$$

JLH
299 
WWUS54 KMOB 241905
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
205 PM CDT Thu Jun 24 2021

FLC113-241915-
/O.CON.KMOB.SV.W.0153.000000T0000Z-210624T1915Z/
Santa Rosa FL-
205 PM CDT Thu Jun 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 PM CDT
FOR SOUTHEASTERN SANTA ROSA COUNTY...

At 205 PM CDT, a severe thunderstorm was located 4 miles south of
Bagdad, moving west at 15 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Bagdad.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 3045 8716 3063 8701 3057 8686 3040 8694
TIME...MOT...LOC 1905Z 072DEG 13KT 3054 8706 

HAIL...0.75IN
WIND...60MPH
 
$$

JLH
990 
WWUS54 KMOB 241913
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
213 PM CDT Thu Jun 24 2021

FLC113-241922-
/O.EXP.KMOB.SV.W.0153.000000T0000Z-210624T1915Z/
Santa Rosa FL-
213 PM CDT Thu Jun 24 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN SANTA ROSA COUNTY
WILL EXPIRE AT 215 PM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However gusty 
winds between 40 and 50 mph, dangerous cloud to ground lighning, and 
heavy rain is still occurring with this thunderstorm.

LAT...LON 3045 8716 3063 8701 3057 8686 3040 8694
TIME...MOT...LOC 1912Z 043DEG 8KT 3053 8707 

$$

JLH

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 24, 1:06 PM CDTSpecial Weather StatementMOBOkaloosa24 min
Jun 24, 1:38 PM CDTSpecial Weather StatementMOBOkaloosa52 min
Jun 24, 2:08 PM CDTSpecial Weather StatementMOBEscambia52 min
Jun 24, 2:10 PM CDTAreal Flood AdvisoryMOBOkaloosa, Santa Rosa3 hr
Jun 24, 2:46 PM CDTSpecial Weather StatementMOBEscambia44 min
Jun 24, 2:52 PM CDTAreal Flood AdvisoryMOBEscambia3 hr
Jun 24, 2:53 PM CDTSpecial Weather StatementMOBEscambia52 min
Jun 24, 2:56 PM CDTAreal Flood AdvisoryMOBEscambia, Santa Rosa3 hr

Nearby

Severe Thunderstorm Warnings in Florida, 2021Every severe thunderstorm warning 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.